SE427422B - Separermaterial for tunnskiktskromatografi samt forfarande for framstellning av detsamma - Google Patents

Separermaterial for tunnskiktskromatografi samt forfarande for framstellning av detsamma

Info

Publication number: SE427422B
Authority: SE; Sweden
Prior art keywords: sorbent; layer; separator; separator material; aralkyl
Prior art date: 1977-03-19

Application number

SE7803104A

Other languages

English (en)

Swedish (sv)

Other versions

SE7803104L (sv

Inventor

H Halpaap

K-F Krebs

Original Assignee

Merck Patent Gmbh

Priority date (The priority date 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 date listed.)

1977-03-19

Filing date

1978-03-17

Publication date

1983-04-11

1977-03-19 Priority claimed from DE2712113A external-priority patent/DE2712113C2/de

1978-03-17 Application filed by Merck Patent Gmbh filed Critical Merck Patent Gmbh

1978-09-20 Publication of SE7803104L publication Critical patent/SE7803104L/xx

1983-04-11 Publication of SE427422B publication Critical patent/SE427422B/sv

Links

239000000463 material Substances 0.000 title claims description 41
238000000034 method Methods 0.000 title claims description 20
238000004809 thin layer chromatography Methods 0.000 title claims description 3
239000002594 sorbent Substances 0.000 claims description 31
239000011230 binding agent Substances 0.000 claims description 14
239000003795 chemical substances by application Substances 0.000 claims description 14
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
239000000741 silica gel Substances 0.000 claims description 10
229910002027 silica gel Inorganic materials 0.000 claims description 10
125000000217 alkyl group Chemical group 0.000 claims description 8
238000006243 chemical reaction Methods 0.000 claims description 8
125000003710 aryl alkyl group Chemical group 0.000 claims description 5
125000004432 carbon atom Chemical group C* 0.000 claims description 5
125000003107 substituted aryl group Chemical group 0.000 claims description 4
239000000010 aprotic solvent Substances 0.000 claims description 3
239000003960 organic solvent Substances 0.000 claims description 3
239000003586 protic polar solvent Substances 0.000 claims description 3
BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 19
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
238000012986 modification Methods 0.000 description 9
230000004048 modification Effects 0.000 description 9
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
239000011888 foil Substances 0.000 description 6
238000002360 preparation method Methods 0.000 description 6
239000000203 mixture Substances 0.000 description 5
239000012298 atmosphere Substances 0.000 description 4
239000011248 coating agent Substances 0.000 description 4
238000000576 coating method Methods 0.000 description 4
-1 hydroxy, amino Chemical group 0.000 description 4
238000000746 purification Methods 0.000 description 4
239000007858 starting material Substances 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 3
239000007789 gas Substances 0.000 description 3
239000011521 glass Substances 0.000 description 3
229910052736 halogen Inorganic materials 0.000 description 3
150000002367 halogens Chemical class 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
238000000926 separation method Methods 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
238000005299 abrasion Methods 0.000 description 2
239000012876 carrier material Substances 0.000 description 2
238000007385 chemical modification Methods 0.000 description 2
238000004587 chromatography analysis Methods 0.000 description 2
229920001577 copolymer Polymers 0.000 description 2
125000000962 organic group Chemical group 0.000 description 2
229920003023 plastic Polymers 0.000 description 2
239000004033 plastic Substances 0.000 description 2
229920000642 polymer Polymers 0.000 description 2
150000004756 silanes Chemical class 0.000 description 2
239000010703 silicon Substances 0.000 description 2
229910052710 silicon Inorganic materials 0.000 description 2
239000002904 solvent Substances 0.000 description 2
239000011877 solvent mixture Substances 0.000 description 2
125000001424 substituent group Chemical group 0.000 description 2
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
239000004593 Epoxy Substances 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
101710091977 Hydrophobin Proteins 0.000 description 1
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
230000003213 activating effect Effects 0.000 description 1
230000004913 activation Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000002411 adverse Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
125000003545 alkoxy group Chemical group 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
239000007900 aqueous suspension Substances 0.000 description 1
150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
238000009835 boiling Methods 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
239000000969 carrier Substances 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
229960001701 chloroform Drugs 0.000 description 1
238000004440 column chromatography Methods 0.000 description 1
125000004093 cyano group Chemical group *C#N 0.000 description 1
238000011161 development Methods 0.000 description 1
OSXYHAQZDCICNX-UHFFFAOYSA-N dichloro(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](Cl)(Cl)C1=CC=CC=C1 OSXYHAQZDCICNX-UHFFFAOYSA-N 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000007717 exclusion Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
229910052602 gypsum Inorganic materials 0.000 description 1
239000010440 gypsum Substances 0.000 description 1
238000004128 high performance liquid chromatography Methods 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
125000005397 methacrylic acid ester group Chemical group 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
125000004433 nitrogen atom Chemical group N* 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229920002401 polyacrylamide Polymers 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
229910000077 silane Inorganic materials 0.000 description 1
238000002444 silanisation Methods 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
238000005507 spraying Methods 0.000 description 1
125000000547 substituted alkyl group Chemical group 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000004804 winding Methods 0.000 description 1

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/90—Plate chromatography, e.g. thin layer or paper chromatography
- G01N30/92—Construction of the plate
- G01N30/93—Application of the sorbent layer
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/2803—Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
- B01J20/287—Non-polar phases; Reversed phases
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3042—Use of binding agents; addition of materials ameliorating the mechanical properties of the produced sorbent
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/50—Conditioning of the sorbent material or stationary liquid
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/54—Sorbents specially adapted for analytical or investigative chromatography

Landscapes

Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
General Health & Medical Sciences (AREA)
Biochemistry (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Life Sciences & Earth Sciences (AREA)
Health & Medical Sciences (AREA)
Inorganic Chemistry (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Treatment Of Liquids With Adsorbents In General (AREA)

SE7803104A 1977-03-19 1978-03-17 Separermaterial for tunnskiktskromatografi samt forfarande for framstellning av detsamma SE427422B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2712113A DE2712113C2 (de)	1977-03-19	1977-03-19	Trennmaterial für die Dünnschichtchromatographie und Verfahren zu dessen Herstellung

Publications (2)

Publication Number	Publication Date
SE7803104L SE7803104L (sv)	1978-09-20
SE427422B true SE427422B (sv)	1983-04-11

Family

ID=6004087

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7803104A SE427422B (sv)	1977-03-19	1978-03-17	Separermaterial for tunnskiktskromatografi samt forfarande for framstellning av detsamma

Country Status (14)

Country	Link
US (1)	US4295968A (cs)
JP (1)	JPS5811573B2 (cs)
AT (1)	AT361898B (cs)
BE (1)	BE864995A (cs)
CA (1)	CA1112634A (cs)
CH (1)	CH633451A5 (cs)
CS (1)	CS209889B2 (cs)
DD (1)	DD135649A5 (cs)
ES (1)	ES467957A1 (cs)
FR (1)	FR2383690A1 (cs)
GB (1)	GB1580675A (cs)
IT (1)	IT1105161B (cs)
NL (1)	NL7802954A (cs)
SE (1)	SE427422B (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU532164B2 (en) *	1978-11-15	1983-09-22	British Petroleum Company Plc, The	Removing metals from solution
JPS56150354A (en) *	1980-04-22	1981-11-20	Shionogi & Co Ltd	Plate for reversed-phase chromatography and its production
DE3427923A1 (de) *	1984-07-28	1986-01-30	Merck Patent Gmbh, 6100 Darmstadt	Trennmaterial fuer die duennschichtchromatographie
JPS61210956A (ja) *	1985-03-15	1986-09-19	Cosmo Co Ltd	クロマトグラフイ−用薄層棒
DE19805395A1 (de) *	1998-02-11	1999-08-12	Merck Patent Gmbh	Dünne poröse Schichten für die planare Chromatographie
JP5703514B2 (ja) *	2010-11-02	2015-04-22	日立化成株式会社	金の捕集材および分離回収方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2614135A (en) *	1950-08-30	1952-10-14	Sun Oil Co	Selective adsorption of nonpolar organic compounds
DE1442446C3 (de) *	1965-06-18	1974-03-14	Merck Patent Gmbh, 6100 Darmstadt	Sorptionsmittel für die Schichtchromatographie:
US3922431A (en) *	1969-02-20	1975-11-25	Edmund Radmacher	Elements for thin-layer chromatography
US3664967A (en) *	1970-02-11	1972-05-23	Dow Chemical Co	Pellicular column packing for liquid chromatography
DE2313073C2 (de) *	1973-03-16	1984-11-29	Istvan Prof. Dr. 6600 Saarbruecken Halasz	Verfahren zur chemischen Modifizierung von Oberflächen anorganischer Festkörper und deren Verwendung
US3987058A (en) *	1975-02-27	1976-10-19	The United States Of America As Represented By The Secretary Of Agriculture	Preparation and uses of stable, bound stationary phases

1978
- 1978-03-16 FR FR7807644A patent/FR2383690A1/fr active Granted
- 1978-03-16 GB GB10456/78A patent/GB1580675A/en not_active Expired
- 1978-03-17 NL NL7802954A patent/NL7802954A/xx not_active Application Discontinuation
- 1978-03-17 CS CS781719A patent/CS209889B2/cs unknown
- 1978-03-17 IT IT48487/78A patent/IT1105161B/it active
- 1978-03-17 AT AT192478A patent/AT361898B/de not_active IP Right Cessation
- 1978-03-17 BE BE2056769A patent/BE864995A/xx not_active IP Right Cessation
- 1978-03-17 CH CH294078A patent/CH633451A5/de not_active IP Right Cessation
- 1978-03-17 SE SE7803104A patent/SE427422B/sv not_active IP Right Cessation
- 1978-03-17 DD DD78204260A patent/DD135649A5/xx unknown
- 1978-03-17 ES ES467957A patent/ES467957A1/es not_active Expired
- 1978-03-17 JP JP53031620A patent/JPS5811573B2/ja not_active Expired
- 1978-03-20 CA CA299,319A patent/CA1112634A/en not_active Expired
- 1978-03-20 US US05/888,595 patent/US4295968A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR2383690B1 (cs)	1982-12-03
BE864995A (nl)	1978-09-18
ES467957A1 (es)	1979-11-16
GB1580675A (en)	1980-12-03
CA1112634A (en)	1981-11-17
JPS53117498A (en)	1978-10-13
SE7803104L (sv)	1978-09-20
NL7802954A (nl)	1978-09-21
AT361898B (de)	1981-04-10
DD135649A5 (de)	1979-05-16
CH633451A5 (de)	1982-12-15
IT7848487A0 (it)	1978-03-17
CS209889B2 (en)	1981-12-31
IT1105161B (it)	1985-10-28
JPS5811573B2 (ja)	1983-03-03
US4295968A (en)	1981-10-20
FR2383690A1 (fr)	1978-10-13
ATA192478A (de)	1980-09-15

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

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Effective date: 19911009

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