WO1994013137A1 - Dry flower and process for producing - Google Patents
Dry flower and process for producing Download PDFInfo
- Publication number
- WO1994013137A1 WO1994013137A1 PCT/JP1993/001817 JP9301817W WO9413137A1 WO 1994013137 A1 WO1994013137 A1 WO 1994013137A1 JP 9301817 W JP9301817 W JP 9301817W WO 9413137 A1 WO9413137 A1 WO 9413137A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dried flower
- polymer
- dry
- silicone compound
- polymer film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N3/00—Preservation of plants or parts thereof, e.g. inhibiting evaporation, improvement of the appearance of leaves or protection against physical influences such as UV radiation using chemical compositions; Grafting wax
Definitions
- the present invention relates to a dry flour having a surface coated with a silicone polymer film and a method for producing the same.
- the term “dried flower” refers to dried flowers, stems, and leaves. Note that the term “dry” used herein includes not only the removal of water simply by evaporation, but also the substantial removal of water by replacing the water with another organic compound or the like.
- the dried flower according to the present invention has a water repellency, so it is difficult to adsorb moisture even under humidified conditions, and therefore, the growth of discoloration due to the inclusion of moisture can be suppressed, and as a result, severe conditions Even below, the color and shape of the flowers, leaves and stems do not change.
- the conventional method of manufacturing dry flour is to dry the fresh flowers with syrup gel.In order to increase the efficiency, various salts are added and the uniformity of drying is increased by using various heat sources. .
- the present invention provides a dried flower having improved water repellency, color and shape stability while maintaining the original desirable characteristics of the dried flower, such as a natural appearance, by overcoming the disadvantages of the prior art.
- the purpose is to provide a manufacturing method.
- the above object can be achieved by covering the surface of the dry flask with a thin and transparent polymer film which can impart sufficient water repellency and does not impair the original natural appearance. it can.
- R 1 , R 2 and R 3 are each independently a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms which may be substituted with at least one halogen atom, preferably a carbon atom having 1 to 10 carbon atoms.
- a hydrocarbon group (particularly an alkyl group) or an aryl group (such as a phenyl group), but R 1 , R 2 and R 3 are not simultaneously hydrogen atoms, and R 4 , R 5 And R 6 are each independently a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms which may be substituted by at least one halogen atom, preferably a hydrocarbon group having 1 to 4 carbon atoms (particularly alkyl A) is an integer of 0 or 1 or more, b is an integer of 0 or 1 or more, and c is 0 or 2 However, if c is 0, the sum of a and b shall be an integer of 3 or more.) At least one silicone compound represented by the formula: (Dried flour) and polymerized with a silicone compound on the surface of the dried flour. A dry flour coated with a silicone polymer film on the surface is provided.o
- the dried flower coated with the polymer film as described above comprises (i) a photopolymerization initiator and a photopolymerizable monomer, and (ii) a silane coupling agent. It can be obtained by contacting the surface of the dry flour in a phase state and polymerizing on the surface of the dry flour, and before, after or simultaneously with this step, a silicone having a hydrosilyl bond (Si-H). At least one of the compounds is brought into contact with the surface of the dry flour in a gaseous state and polymerized on the surface of the dry flour, whereby a dry flour coated on the surface with a polymerized film of the silicon compound is obtained. , Stability, etc. can be further improved.
- the dried flower is to be coated with a polymer (for example, a vinyl acetate resin disclosed in JP-A-59-44301 or a polyvinyl alcohol disclosed in JP-A-62-265202), the polymer itself is used.
- a polymer for example, a vinyl acetate resin disclosed in JP-A-59-44301 or a polyvinyl alcohol disclosed in JP-A-62-265202
- the polymer itself is used.
- the polymer is thickly and unevenly coated, and the original fine texture of the dry flour changes.
- a gaseous silicone compound is It is coated with a very thin film without changing its shape by being in contact with the first one, and has improved stability by imparting water repellency to the dry floor.
- the contact between the silicone compound of the formula (I) in the form of steam and the dried flower is carried out at a temperature of 120 ° C. or less, preferably at a temperature of room temperature to 100 ° C., preferably at most 200 bandg Hg. It is preferably carried out in a closed container under a pressure of 100 g Hg or less, and vapor of the silicone compound of the formula (I) can be vapor-deposited in a molecular state on the surface of the dry flask.
- the contact between the vaporized silicone compound of formula (I) and the dried flower is carried out at a temperature of not more than 120 ° C, preferably at room temperature to 100 ° C, with the silicone compound of formula (I) and the carrier. This can be achieved by supplying a mixed gas with a gas to the powder.
- the silicone compound of the formula (I) is composed of two groups.
- R 1 , R 2 , R 3 , a and b are as defined above, but preferably, R 1 , R 2 and R 3 are each independently substituted with at least one halogen atom.
- a lower alkyl or aryl group having 1 to 4 carbon atoms for example, a phenyl group
- the sum of a and b is 3 to 7
- the compounds (HI), (F) and (V) can be used alone or in the form of a mixture thereof.
- n (or a + b) is preferably 3-7. Since the boiling point decreases as the value of n decreases, the amount of evaporation and adsorption on the dry flask increases.
- trimers and tetramers are particularly suitable because of their steric properties, they are easily polymerized. Silicon compounds containing hydrogen atoms are highly reactive and are suitable for surface treatment.
- Examples of the cyclic silicon compound of the formula (I) include dihydrogenhexamethylcyclotetrasiloxane, trinodihydrogenpentamethylcyclotetrasiloxane, tetrahydrogentetramethylcyclotetrasiloxane, dihydrogenooctane.
- Methylcyclopentasiloxane, trihydrazine heptamethylcyclopentylcycloxane, tetranodrolinehexamethylcyclopentene siloxane, and pentahydrazinepentamethylcyclopentene siloxane can be mentioned.
- R HSiO) e R 2 R 3 SiO
- b R 4 R 5 R 6 Si0 1/2
- R 1 to R 6 are Each independently represents a lower alkyl group having 1 to 4 carbon atoms or an aryl group (for example, phenyl group) which may be substituted by at least one halogen atom, wherein the sum of a and b is 2 to 5)
- Examples of the direct chain silicone compound of the formula ( ⁇ ) are 1,1,1,1,3,5,7,7-octamethyltetrasiloxane, 1,1,1,3,5,7,9,9 9,9-Nonamethylpentylsiloxane and 1,1,1,1,3,5,7,9,11,11,11-decamethylhexasiloxane can be mentioned.
- the silicone polymer film coated on the dry flat surface There are two types of structures of the silicone polymer film coated on the dry flat surface. That is, the polymerization is a siloxane bond
- the resulting silicone polymer When raised by (-Si-0-Si-), the resulting silicone polymer has a linear structure containing one Si-0-Si-unit.
- the silicone polymer contains a network having units of the general formula (H) derived from
- R Preferred network polymers are those in which at least 20% of all Si atoms are in the polymer coating and have the aforementioned R SiO units. It is converted to a unit.
- the addition amount (treatment amount) of the silicon compound of the formula (I) is not specifically defined, but the silicon compound is necessary and sufficient to cover substantially the entire surface of the dry flask.
- the desired amount is determined at the point of supply.
- the present invention does not predetermine the amount of the treatment agent to be added, but is a process in which the treatment agent is supplied in a necessary and sufficient amount and is naturally guided to the end point. Therefore, the amount of addition or the amount of the deposited polymer coating varies depending on the type of dry flour used. Generally, the amount ranges from 0.0005 to 10% by weight of the total weight of the dried flowers.
- any dry flower can be treated without excess or deficiency, because the method of adding the treating agent is different from the conventional method.
- dried flowers and a silicone compound eg, a cyclic organosiloxane
- a closed room eg, at ioo ° C. or less. All you have to do is open up.
- any enclosed room eg, a closed room that can be kept at a constant temperature
- a desiccator can be used for the small amount treatment.
- a device that can degas after treatment is desirable, and a gas sterilization device should be used.
- the dry flow in the closed room can be stirred continuously or intermittently so that contact between the dry flower and the vapor of the silicon compound can be avoided.
- the silicon compound is vaporized at a predetermined partial pressure, and the silicon compound vapor can be introduced, for example, by a pipe into a room in which the dry flower is charged.
- the pressure is not particularly limited, but the polymerization is preferably carried out under a pressure of 200 Hg or less, preferably 100 Tg or less.
- the treatment time is 30 minutes to 150 hours, after which the unpolymerized silicone compound is removed by degassing to obtain a desired product.
- the dry flour is brought into contact with the silicone compound of formula (H) in the form of a gas mixture with a carrier gas (eg, by feeding it to the dry flower surface).
- a carrier gas eg, by feeding it to the dry flower surface.
- the mixture of the silicone compound of the formula (H) and the carrier gas is performed when the vapor pressure of the silicone compound is 1 mmHg or more,
- the silicon compound of formula (E) is heated, for example, if necessary, until it is at least 10 gigahertz Hg.
- the carrier gas stream is then introduced into the silicon compound of formula (H) or to the surface of the silicon compound. It can be implemented by introducing it above.
- the feed rate of the carrier gas stream can be suitably determined, for example, by the vapor pressure of the silicone compound of formula (H), the type and amount of dried flowers, and the capacity of the processing vessel. It is preferable to adjust so that the treatment can be performed in 30 minutes to 150 hours.
- an inert gas such as nitrogen, argon, or helium is preferable, but water or methanol is contained in air or the inert gas. It is also possible to use a mixed gas obtained by mixing vapor or ethanol vapor in a gas molecule state.
- a photopolymerization initiator and a photopolymerizable monomer and / or a silane coupling agent, or both, and a silyl group having a hydrosilyl bond (Si—H) with them are brought into contact with the dried flower in the gas phase (gas state) and polymerized, so that it is coated with a very thin film without changing its color or shape, and the dried flower is made water-repellent to increase stability. Can be improved.
- the photopolymerization initiator refers to a light-absorbing molecule that generates a radical by ultraviolet energy and initiates a radical reaction.
- the photopolymerizable monomer has an unsaturated double bond (vinyl functional group such as acryloyl group, methacryloyl group, aryl group and vinyl group) and is irradiated with ultraviolet light in the presence of a photopolymerization initiator.
- the polymer that is polymerized by the More specifically, 2,2,2-trifluoroethyl acrylate, ethylene glycol dimethacrylate, stearyl acrylate, and methacrylate Examples include glycidyl acrylate, tetrahydrofurfuryl acrylate, and aryl methacrylate.
- those oligomers that can be polymerized in the gas phase are also treated as photopolymerizable monomers.
- the silane coupling agent contains an organic functional group (an acrylyl group, a methacryloyl group, an alkyl group, a fluoroalkyl group, an amino group, an epoxy group, etc.) and a hydrolyzable group (an alkoxy group) in the same molecule.
- organic functional group an acrylyl group, a methacryloyl group, an alkyl group, a fluoroalkyl group, an amino group, an epoxy group, etc.
- a hydrolyzable group an alkoxy group
- silanol groups silanol groups
- 3-methacryloxypropyl trimethoxysilane 3,3,3_ trifluoropropyl trimethoxysilane, aminopropyl trimethyl Toxisilane, and the like.
- silane coupling agent since a site corresponding to an organic functional group is used even if it has a relatively low reactivity such as an alkyl group, it is referred to as a silane coup
- the polymerization reaction proceeds by adjusting the temperature conditions if there is even a small amount of water.However, when a photopolymerization initiator and a photopolymerizable monomer are used, These are brought into contact with the surface of the dried flower in a gaseous state, and then irradiated with ultraviolet rays to cause polymerization.
- the silicone compound having a hydrosilyl bond (Si—H) used in the present invention is not particularly limited as long as it can perform a gas phase polymerization at a relatively low temperature (preferably 120 ° C. or lower).
- a silicone compound a compound of the above formula (I) can be used.
- dihydrogenhexamethylcyclotetrasiloxane, trihydrogenpentamethylcyclotetrasiloxane, tetrahydrogentetrasiloxane are preferable.
- Cyclic silicones such as cyclosiloxanes and pentanodyl siloxanes are preferred.
- the main polymer film itself is co-existed with the silicon compound.
- Polymerized or a polymer film of a silicone compound will be formed inside or outside the polymer film as the main polymer layer, but in any case, the dry flour will be stable. Sex is improved.
- the polymer film of the silicone compound may be plural, for example, provided on both the inside and the outside of the main polymer film, and the polymer film layer of the silicone compound is partially chemically bonded to the polymer film layer. What you do.
- a photopolymerizable mono mer such as the Doraifura Wa one gas phase, 120 ° C or less in a closed vessel, favored properly under the following temperature conditions 100 e C, molecular said component In this state, it can be deposited on the surface of the dry line.
- a photopolymerizable mono mer such as the Doraifura Wa one gas phase, 120 ° C or less in a closed vessel, favored properly under the following temperature conditions 100 e C, molecular said component
- the treatment is performed under reduced pressure, the diffusion rate of the monomer and the like is increased, so that efficient treatment can be performed.
- photopolymerizable monomers they are polymerized by irradiating ultraviolet rays after vapor deposition.
- a mixed gas of vapor such as a photopolymerizable monomer and a carrier gas at a temperature of 120 ° C or less, preferably 100 ° C or less. It can also be carried out by supplying in a closed container.
- a photopolymerizable monomer it is polymerized by irradiating ultraviolet rays after vapor deposition.
- a dry flower is placed in a closed room (for example, at 100 ° C. or lower), (i> a photopolymerization initiator and a photopolymerizable monomer, or ( ⁇ ) It is only necessary to put the silane coupling agent and / or (iii) in a separate container and open the upper part.In the case of a photopolymerizable monomer, it is then polymerized by irradiation with ultraviolet rays. In the case of a silicon compound having a hydrosilyl bond, only the same treatment as in the basic embodiment is required.
- any closed room for example, a closed room that can be kept at a constant temperature
- a desiccator or a constant temperature bath can be used.
- a desiccator can be used for small-volume processing.
- a device that can degas after treatment is desirable.
- 120 e C or less preferably aft previously charging only dry flower in the following enclosed room 10CTC, sealed follows another 120 ° C
- the photopolymerization initiator and the photopolymerizable monomer, or the silane coupling agent, or both are vaporized at a predetermined partial pressure in the room, and the vaporized room is filled with the dried flower (for example, by a pipe).
- the steam can be introduced.
- a photopolymerizable monomer it is then polymerized by irradiation with ultraviolet rays.
- the same treatment may be applied to a silicon compound having a silyl bond.
- the pressure of the above system is not particularly limited, but if the pressure is reduced, the diffusion rate of the monomer and the like is increased, so that efficient treatment can be performed.
- the treatment time is 30 minutes to 150 hours, after which the unpolymerized photopolymerization initiator, photopolymerizable monomer, silane coupling agent and the like are removed by degassing, and the desired dried flower is obtained.
- a photopolymerization initiator and a photopolymerizable monomer, a silane coupling agent, etc. are brought into contact with the surface of a dry flour in the form of a mixed gas with a carrier gas.
- a photopolymerizable monomer it is then polymerized by irradiation with ultraviolet rays.
- the mixing of the case of silicon cone compound having a heat mud silyl coupling, similar good processing t photopolymerization initiator and a photopolymerizable monomer, or Shirankatsupuri ranging agent, or both the wire carrier rear one gas can be carried out by heating, if necessary, until the vapor pressure is 1 mm Hg or more, preferably 10 thighs Hg or more, and then introducing a carrier gas flow.
- the supply rate of the carrier gas stream can be determined appropriately according to the vapor pressure of the photopolymerizable monomer, etc., the type and amount of the dry flow, and the capacity of the processing vessel. It is preferable to adjust so that the treatment can be performed in 150 hours.
- an inert gas for example, nitrogen, argon, helium, or the like is preferable.
- a mixed gas obtained by mixing water, steam, methanol vapor, or ethanol vapor in a gas molecule state with air or the inert gas is used. You can do it.
- the color and shape of the surface-treated red rose were not different from those before the treatment, but exhibited remarkable water repellency.
- the surface-treated red rose of Example 1 and the dried red rose that had not been surface-treated were placed in a 500 ml polypropylene cup together with absorbent cotton containing water, covered with Saran wrap from above, sealed, and left at room temperature for one day.
- the untreated dry red rose was bleached, but the surface-treated red rose remained red, indicating the effect of the surface treatment.
- the window dried with silica gel was placed in a 10-liter drier (made of stainless steel, with a thermal insulation jacket).
- the surface-treated window also showed remarkable water repellency as in Example 1, but neither the color nor the shape was the same as before the treatment.
- Example 2 the surface-treated window and the untreated dried window were similarly left with water-containing cotton wool at 37 for 1 week. No mold was found in the treated window.
- a red rose dried with a sily gel 20 g of 2,2,2—acryloyl acrylate and 1 g of benzoin isobutyl ether are placed in a vacuum desiccator, aspirated for 3 minutes with an aspirator, and then dried. Closed.
- the dried flower was irradiated with ultraviolet light for 3 minutes to form a film.
- the surface treated red rose did not change in color or shape before treatment, but showed remarkable water repellency.
- Example 3 Put the surface-treated red rose of Example 3 and the dry red rose that has not been surface-treated in a 500 ml polypropylene cup together with a dish filled with water, and cover with polyvinylidene chloride film (Saran wrap: Asahi Kasei Corporation) from above. And left at room temperature for 10 days.
- polyvinylidene chloride film Saran wrap: Asahi Kasei Corporation
- the untreated dry red rose has turned discolored and brown, and white and black force have been observed, but the surface-treated red rose has retained the red color, no mold has been observed, and the effect of the surface treatment has been reduced. Admitted.
- the surface treated red rose did not change in color or shape before treatment, but showed remarkable water repellency.
- the surface-treated red rose of Example 4 and the dried red rose without surface treatment was placed in a 500 ml polypropylene cup with a dish filled with water, covered with Saran wrap from above, sealed, and left at room temperature for 10 days.
- the untreated dried red roses were discolored to brown, and white and black rust was observed, but the surface-treated red roses remained red, no mold was observed, and the effect of the surface treatment was poor. Admitted.
- a yellow rose dried with a sily gel, 20 g of ethylene glycol dimethacrylate, and 1 g of benzoin isobutyl ether were placed in a vacuum desiccator, aspirated with an aspirator for 3 minutes, and then the cock was closed.
- the dried flower was irradiated with ultraviolet light for 3 minutes to form a film.
- the surface-treated yellow rose did not change in color or shape before treatment, but showed remarkable water repellency.
- the surface-treated yellow rose of Example 5 and the dry yellow rose that had not been surface-treated were placed in a 500 ml polypropylene cup together with a dish filled with water, covered with a Saran wrap from above, sealed, and left at room temperature for 15 days.
- the window dried with the sily gel was placed in a 10-liter dryer (made of stainless steel, with a heat insulation jacket).
- the dried flower was irradiated with ultraviolet light for 3 minutes to form a film.
- This surface-treated window also showed remarkable water repellency, but the color and shape were unchanged from those before the treatment.
- Example 6 Put the surface-treated window of Example 6 and the dried window not surface-treated together with a dish filled with water into a 500 ml polypropylene cup, cover with a Saran wrap from above, and tightly close at 37 ° C. When left untreated for a day, the untreated window turned brown and brown with white rust, but the surface-treated window retained its original color and no mold was observed (see above). As described above, since the dried flower of the present invention is covered with a thin transparent water-resistant polymer film, the dried flower has sufficient water repellency without impairing the original natural appearance. Stability and force resistance have been significantly improved. Industrial applicability
- the dried flower obtained by the present invention has the following characteristics.
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- Toxicology (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
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Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94903003A EP0628248B1 (en) | 1992-12-16 | 1993-12-15 | Dry flower and process for producing |
| DE69328963T DE69328963T2 (de) | 1992-12-16 | 1993-12-15 | Trockenblume und verfahren zur herstellung |
| US08/594,386 US5560965A (en) | 1992-12-16 | 1996-01-31 | Dry flower and process for production of same |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4/354523 | 1992-12-16 | ||
| JP35452392A JPH06183901A (ja) | 1992-12-16 | 1992-12-16 | 改質されたドライフラワー |
| JP5/95323 | 1993-03-30 | ||
| JP9532393A JPH07118101A (ja) | 1993-03-30 | 1993-03-30 | ドライフラワーおよびその製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1994013137A1 true WO1994013137A1 (en) | 1994-06-23 |
Family
ID=26436571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1993/001817 Ceased WO1994013137A1 (en) | 1992-12-16 | 1993-12-15 | Dry flower and process for producing |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5560965A (ja) |
| EP (1) | EP0628248B1 (ja) |
| DE (1) | DE69328963T2 (ja) |
| WO (1) | WO1994013137A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0441401A (ja) * | 1990-06-07 | 1992-02-12 | Sakai Mieko | 樹脂密封押花及びその製作方法 |
| US5656343A (en) * | 1995-04-11 | 1997-08-12 | Baker; Marion A. | Method of producing dried plants and other substrates and the product produced thereby |
| SE505192C2 (sv) * | 1996-09-05 | 1997-07-14 | Stig Centerwall | Konstverk av sand eller lera samt förfarande för dess framställing |
| US6060134A (en) * | 1998-05-22 | 2000-05-09 | Flaura Technologies, Llc | Method of preserving botanical specimens |
| US6017671A (en) * | 1999-05-24 | 2000-01-25 | Xerox Corporation | Toner and developer compositions |
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|---|---|---|---|---|
| JPS523587A (en) * | 1975-06-27 | 1977-01-12 | Asahi Glass Co Ltd | Water and oil repelling agent |
| JPS54135078A (en) * | 1978-04-11 | 1979-10-19 | Itarou Niitsu | Method of preventing discoloration of dried plant |
| JPS559652A (en) * | 1978-07-05 | 1980-01-23 | Dainichi Nippon Cables Ltd | Water repellent |
| JPS5842682A (ja) * | 1981-09-07 | 1983-03-12 | Shin Etsu Chem Co Ltd | 撥水撥油組成物 |
| JPS60101162A (ja) * | 1983-11-07 | 1985-06-05 | Shin Etsu Chem Co Ltd | 表面保護剤 |
| JPS6392687A (ja) * | 1986-10-07 | 1988-04-23 | Daikin Ind Ltd | 撥水撥油剤 |
| JPS6399285A (ja) * | 1986-05-28 | 1988-04-30 | Daikin Ind Ltd | 撥水撥油剤 |
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| US4198441A (en) * | 1976-06-15 | 1980-04-15 | Young, Prussin, Mgk, J.V. | Adherent controlled release pesticide using organo poly siloxanes |
| JPS53141741A (en) * | 1977-05-16 | 1978-12-09 | Satoshi Matsumura | Method of producing long preserved animal and plant |
| US4225647B1 (en) * | 1977-12-02 | 1995-05-09 | Richard A Parent | Articles having thin, continuous, impervious coatings |
| US4349459A (en) * | 1979-06-04 | 1982-09-14 | Queen's University At Kingston | Lower preservation |
| JPS5944301A (ja) * | 1982-09-08 | 1984-03-12 | Akisuke Okubo | 植物保存用液及び植物保存用液を用いた乾燥植物の形成方法及び植物保存用液を用いた切り植物の保存方法 |
| JPS59227801A (ja) * | 1983-06-07 | 1984-12-21 | Akisuke Okubo | 植物保存用液及び植物保存用液を用いた乾燥植物の形成方法 |
| JPS62265202A (ja) * | 1986-05-12 | 1987-11-18 | Tokiwa Denki:Kk | ドライフラワ−の製造方法 |
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| EP0279108A3 (en) * | 1986-10-23 | 1990-01-31 | Marion A. Baker | Process for preserving plants or parts thereof |
| US4783351A (en) * | 1987-09-04 | 1988-11-08 | Baker Marion A | Treated substrates |
| JPH02304002A (ja) * | 1989-05-19 | 1990-12-17 | Hana Koubou Sanou:Kk | ドライフラワー |
| JPH03294202A (ja) * | 1990-04-10 | 1991-12-25 | Tokiwa Denki:Kk | ドライフラワー |
| US5073195A (en) * | 1990-06-25 | 1991-12-17 | Dow Corning Corporation | Aqueous silane water repellent compositions |
| CA2020360A1 (en) * | 1990-07-04 | 1992-01-05 | Alex P. Korn | Preservation of flowers by lyophilization and vacuum deposition polymerization coating |
| US5227205A (en) * | 1990-09-06 | 1993-07-13 | Geoffrey Samuels | Specimen display article |
| JPH04169501A (ja) * | 1990-11-01 | 1992-06-17 | Sanko:Kk | 生花の賦活方法 |
| JPH0791071B2 (ja) * | 1992-05-13 | 1995-10-04 | 有限会社テー・エス・ビー | 非耐熱性標本入りガラス先駆体とその製造方法 |
-
1993
- 1993-12-15 EP EP94903003A patent/EP0628248B1/en not_active Expired - Lifetime
- 1993-12-15 WO PCT/JP1993/001817 patent/WO1994013137A1/ja not_active Ceased
- 1993-12-15 DE DE69328963T patent/DE69328963T2/de not_active Expired - Fee Related
-
1996
- 1996-01-31 US US08/594,386 patent/US5560965A/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523587A (en) * | 1975-06-27 | 1977-01-12 | Asahi Glass Co Ltd | Water and oil repelling agent |
| JPS54135078A (en) * | 1978-04-11 | 1979-10-19 | Itarou Niitsu | Method of preventing discoloration of dried plant |
| JPS559652A (en) * | 1978-07-05 | 1980-01-23 | Dainichi Nippon Cables Ltd | Water repellent |
| JPS5842682A (ja) * | 1981-09-07 | 1983-03-12 | Shin Etsu Chem Co Ltd | 撥水撥油組成物 |
| JPS60101162A (ja) * | 1983-11-07 | 1985-06-05 | Shin Etsu Chem Co Ltd | 表面保護剤 |
| JPS6399285A (ja) * | 1986-05-28 | 1988-04-30 | Daikin Ind Ltd | 撥水撥油剤 |
| JPS6392687A (ja) * | 1986-10-07 | 1988-04-23 | Daikin Ind Ltd | 撥水撥油剤 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0628248A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69328963D1 (de) | 2000-08-10 |
| EP0628248A1 (en) | 1994-12-14 |
| DE69328963T2 (de) | 2000-12-07 |
| US5560965A (en) | 1996-10-01 |
| EP0628248B1 (en) | 2000-07-05 |
| EP0628248A4 (ja) | 1995-01-11 |
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