CA2102128A1 - Compositions contenant des particules de polymere et methode de production - Google Patents

Compositions contenant des particules de polymere et methode de production

Info

Publication number: CA2102128A1
Authority: CA; Canada
Prior art keywords: temperature; polymer; particles; tri; depressant
Prior art date: 1991-05-14
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.): Abandoned

Application number

CA002102128A

Other languages

English (en)

Inventor

John G. Langley

Kenneth C. Symes

Kishor K. Mistry

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Ciba Specialty Chemicals Water Treatments Ltd

Original Assignee

Individual

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.)

1991-05-14

Filing date

1992-05-14

Publication date

1992-11-15

1992-05-14 Application filed by Individual filed Critical Individual

1992-11-15 Publication of CA2102128A1 publication Critical patent/CA2102128A1/fr

Status Abandoned legal-status Critical Current

Links

239000000203 mixture Substances 0.000 title claims abstract description 38
238000004519 manufacturing process Methods 0.000 title description 2
229920000642 polymer Polymers 0.000 claims abstract description 83
239000002245 particle Substances 0.000 claims abstract description 56
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
230000000994 depressogenic effect Effects 0.000 claims abstract description 39
239000000243 solution Substances 0.000 claims abstract description 36
238000000576 coating method Methods 0.000 claims abstract description 35
239000011248 coating agent Substances 0.000 claims abstract description 33
239000006185 dispersion Substances 0.000 claims abstract description 30
230000002441 reversible effect Effects 0.000 claims abstract description 22
238000010438 heat treatment Methods 0.000 claims abstract description 6
239000007771 core particle Substances 0.000 claims abstract description 5
239000011557 critical solution Substances 0.000 claims abstract description 5
238000000034 method Methods 0.000 claims description 30
239000003792 electrolyte Substances 0.000 claims description 23
239000004480 active ingredient Substances 0.000 claims description 22
239000007864 aqueous solution Substances 0.000 claims description 18
239000003599 detergent Substances 0.000 claims description 18
239000007788 liquid Substances 0.000 claims description 18
230000008569 process Effects 0.000 claims description 16
102000004190 Enzymes Human genes 0.000 claims description 13
108090000790 Enzymes Proteins 0.000 claims description 13
239000011159 matrix material Substances 0.000 claims description 11
238000010790 dilution Methods 0.000 claims description 9
239000012895 dilution Substances 0.000 claims description 9
238000003860 storage Methods 0.000 claims description 9
239000000839 emulsion Substances 0.000 claims description 8
239000003905 agrochemical Substances 0.000 claims description 4
238000001816 cooling Methods 0.000 claims description 3
239000002904 solvent Substances 0.000 claims description 3
230000001376 precipitating effect Effects 0.000 claims description 2
239000000126 substance Substances 0.000 claims description 2
239000012736 aqueous medium Substances 0.000 claims 1
238000005354 coacervation Methods 0.000 description 15
239000003921 oil Substances 0.000 description 15
239000000463 material Substances 0.000 description 11
150000003839 salts Chemical class 0.000 description 11
239000000178 monomer Substances 0.000 description 10
239000002775 capsule Substances 0.000 description 8
239000012071 phase Substances 0.000 description 7
PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
239000012141 concentrate Substances 0.000 description 6
229920001577 copolymer Polymers 0.000 description 6
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
239000008346 aqueous phase Substances 0.000 description 4
230000008859 change Effects 0.000 description 4
239000000975 dye Substances 0.000 description 4
238000002156 mixing Methods 0.000 description 4
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
230000004888 barrier function Effects 0.000 description 3
125000002091 cationic group Chemical group 0.000 description 3
238000004090 dissolution Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
239000004495 emulsifiable concentrate Substances 0.000 description 3
239000004009 herbicide Substances 0.000 description 3
OMNKZBIFPJNNIO-UHFFFAOYSA-N n-(2-methyl-4-oxopentan-2-yl)prop-2-enamide Chemical compound CC(=O)CC(C)(C)NC(=O)C=C OMNKZBIFPJNNIO-UHFFFAOYSA-N 0.000 description 3
238000000926 separation method Methods 0.000 description 3
239000007787 solid Substances 0.000 description 3
239000007921 spray Substances 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
150000001252 acrylic acid derivatives Chemical class 0.000 description 2
125000000129 anionic group Chemical group 0.000 description 2
230000003466 anti-cipated effect Effects 0.000 description 2
230000009286 beneficial effect Effects 0.000 description 2
238000005119 centrifugation Methods 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
238000001035 drying Methods 0.000 description 2
239000003995 emulsifying agent Substances 0.000 description 2
-1 hydroxy propyl Chemical group 0.000 description 2
239000004615 ingredient Substances 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
239000000155 melt Substances 0.000 description 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
239000003960 organic solvent Substances 0.000 description 2
239000011236 particulate material Substances 0.000 description 2
239000000575 pesticide Substances 0.000 description 2
229920002959 polymer blend Polymers 0.000 description 2
238000011084 recovery Methods 0.000 description 2
229910052938 sodium sulfate Inorganic materials 0.000 description 2
235000011152 sodium sulphate Nutrition 0.000 description 2
229910021653 sulphate ion Inorganic materials 0.000 description 2
ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-UHFFFAOYSA-N 0.000 description 2
HXVJQEGYAYABRY-UHFFFAOYSA-N 1-ethenyl-4,5-dihydroimidazole Chemical compound C=CN1CCN=C1 HXVJQEGYAYABRY-UHFFFAOYSA-N 0.000 description 1
WLPAQAXAZQUXBG-UHFFFAOYSA-N 1-pyrrolidin-1-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCCC1 WLPAQAXAZQUXBG-UHFFFAOYSA-N 0.000 description 1
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
DMLOUIGSRNIVFO-UHFFFAOYSA-N 3-(prop-2-enoylamino)butane-2-sulfonic acid Chemical compound OS(=O)(=O)C(C)C(C)NC(=O)C=C DMLOUIGSRNIVFO-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
239000004160 Ammonium persulphate Substances 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
102100024133 Coiled-coil domain-containing protein 50 Human genes 0.000 description 1
101000910772 Homo sapiens Coiled-coil domain-containing protein 50 Proteins 0.000 description 1
229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
229910002651 NO3 Inorganic materials 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
108091005804 Peptidases Proteins 0.000 description 1
239000004372 Polyvinyl alcohol Substances 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
239000004365 Protease Substances 0.000 description 1
102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
150000003926 acrylamides Chemical class 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
150000004996 alkyl benzenes Chemical class 0.000 description 1
159000000013 aluminium salts Chemical class 0.000 description 1
ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
235000019395 ammonium persulphate Nutrition 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
239000003945 anionic surfactant Substances 0.000 description 1
150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000007844 bleaching agent Substances 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
239000001768 carboxy methyl cellulose Substances 0.000 description 1
235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
239000008112 carboxymethyl-cellulose Substances 0.000 description 1
230000001112 coagulating effect Effects 0.000 description 1
235000013409 condiments Nutrition 0.000 description 1
229920006037 cross link polymer Polymers 0.000 description 1
239000003431 cross linking reagent Substances 0.000 description 1
230000000881 depressing effect Effects 0.000 description 1
125000004985 dialkyl amino alkyl group Chemical group 0.000 description 1
239000002270 dispersing agent Substances 0.000 description 1
238000005538 encapsulation Methods 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
239000003925 fat Substances 0.000 description 1
150000002191 fatty alcohols Chemical class 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000000796 flavoring agent Substances 0.000 description 1
235000019634 flavors Nutrition 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
239000000417 fungicide Substances 0.000 description 1
150000002334 glycols Chemical class 0.000 description 1
159000000011 group IA salts Chemical class 0.000 description 1
239000007952 growth promoter Substances 0.000 description 1
238000000265 homogenisation Methods 0.000 description 1
229920001519 homopolymer Polymers 0.000 description 1
230000002209 hydrophobic effect Effects 0.000 description 1
239000001863 hydroxypropyl cellulose Substances 0.000 description 1
235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
229940071676 hydroxypropylcellulose Drugs 0.000 description 1
239000002917 insecticide Substances 0.000 description 1
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229920000609 methyl cellulose Polymers 0.000 description 1
239000001923 methylcellulose Substances 0.000 description 1
235000010981 methylcellulose Nutrition 0.000 description 1
239000003094 microcapsule Substances 0.000 description 1
230000001069 nematicidal effect Effects 0.000 description 1
239000005645 nematicide Substances 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
235000015097 nutrients Nutrition 0.000 description 1
125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
238000005192 partition Methods 0.000 description 1
239000002304 perfume Substances 0.000 description 1
230000035699 permeability Effects 0.000 description 1
239000003016 pheromone Substances 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
229920002451 polyvinyl alcohol Polymers 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000010420 shell particle Substances 0.000 description 1
229920002545 silicone oil Polymers 0.000 description 1
239000000344 soap Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
239000001632 sodium acetate Substances 0.000 description 1
235000017281 sodium acetate Nutrition 0.000 description 1
235000010413 sodium alginate Nutrition 0.000 description 1
239000001509 sodium citrate Substances 0.000 description 1
NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
239000004296 sodium metabisulphite Substances 0.000 description 1
235000010262 sodium metabisulphite Nutrition 0.000 description 1
QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 description 1
230000003019 stabilising effect Effects 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000008107 starch Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
229920001059 synthetic polymer Polymers 0.000 description 1
229920001897 terpolymer Polymers 0.000 description 1
UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
239000000341 volatile oil Substances 0.000 description 1
229920003169 water-soluble polymer Polymers 0.000 description 1

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/11—Encapsulated compositions
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q13/00—Formulations or additives for perfume preparations
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/41—Particular ingredients further characterized by their size
- A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/54—Polymers characterized by specific structures/properties

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Veterinary Medicine (AREA)
Chemical & Material Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Epidemiology (AREA)
Birds (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Manufacturing Of Micro-Capsules (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)

CA002102128A 1991-05-14 1992-05-14 Compositions contenant des particules de polymere et methode de production Abandoned CA2102128A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9110407.5		1991-05-14
GB919110407A GB9110407D0 (en)	1991-05-14	1991-05-14	Particulate polymeric compositions and their production

Publications (1)

Publication Number	Publication Date
CA2102128A1 true CA2102128A1 (fr)	1992-11-15

Family

ID=10694970

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002102128A Abandoned CA2102128A1 (fr)	1991-05-14	1992-05-14	Compositions contenant des particules de polymere et methode de production

Country Status (7)

Country	Link
EP (1)	EP0586447A1 (fr)
AU (1)	AU1794892A (fr)
CA (1)	CA2102128A1 (fr)
GB (1)	GB9110407D0 (fr)
MX (1)	MX9202248A (fr)
WO (1)	WO1992020441A1 (fr)
ZA (1)	ZA923509B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL1007696C1 (nl) †	1997-05-01	1998-11-03	Inst Voor Agrotech Onderzoek	Omhulde stof met gecontroleerde afgifte.
DE10006538C2 (de) *	2000-02-15	2002-11-28	Forsch Pigmente Und Lacke E V	Verfahren zur Beschichtung von Partikeln mit LCST-Polymeren
DE10140246A1 (de)	2001-08-09	2003-03-06	Forsch Pigmente Und Lacke E V	Verfahren zur Behandlung von Oberflächen von Substraten
DE102006058200A1 (de) *	2006-12-11	2008-06-12	Merck Patent Gmbh	Redispergierbare oberflächenmodifizierte Partikel
US8557288B2 (en) *	2008-08-15	2013-10-15	Washington University	Hydrogel microparticle formation in aqueous solvent for biomedical applications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1254126B (de) *	1961-06-20	1967-11-16	Henkel & Cie Gmbh	Einkapselung von Fluessigkeiten
US3594326A (en) *	1964-12-03	1971-07-20	Ncr Co	Method of making microscopic capsules
US3567650A (en) *	1969-02-14	1971-03-02	Ncr Co	Method of making microscopic capsules
CA1040018A (fr) *	1974-06-19	1978-10-10	Dale R. Shackle	Microcapsules d'hydroxypropylcellulose reticulee
DE3615043A1 (de) *	1986-05-03	1987-11-05	Hoechst Ag	Verfahren zur verkapselung von biologisch aktivem material

1991
- 1991-05-14 GB GB919110407A patent/GB9110407D0/en active Pending
1992
- 1992-05-14 EP EP92910542A patent/EP0586447A1/fr not_active Withdrawn
- 1992-05-14 CA CA002102128A patent/CA2102128A1/fr not_active Abandoned
- 1992-05-14 MX MX9202248A patent/MX9202248A/es unknown
- 1992-05-14 AU AU17948/92A patent/AU1794892A/en not_active Abandoned
- 1992-05-14 WO PCT/GB1992/000869 patent/WO1992020441A1/fr not_active Ceased
- 1992-05-14 ZA ZA923509A patent/ZA923509B/xx unknown

Also Published As

Publication number	Publication date
WO1992020441A1 (fr)	1992-11-26
MX9202248A (es)	1992-11-01
EP0586447A1 (fr)	1994-03-16
AU1794892A (en)	1992-12-30
ZA923509B (en)	1993-05-17
GB9110407D0 (en)	1991-07-03

Legal Events

Date	Code	Title	Description
1995-11-14	FZDE	Dead

Publication	Publication Date	Title
US5324445A (en)	1994-06-28	Polymeric compositions
EP0356239B1 (fr)	1995-02-22	Compositions détergentes
US5492646A (en)	1996-02-20	Polymeric matrix particle compositions containing coacervate polymer shell
US5460817A (en)	1995-10-24	Particulate composition comprising a core of matrix polymer with active ingredient distributed therein
EP0730406B1 (fr)	1998-07-08	Microcapsules contenant des suspensions de composes biologiquement actifs
US4269729A (en)	1981-05-26	Microencapsulation process and resulting microcapsules
RU2286845C2 (ru)	2006-11-10	Частицы в форме сердцевины в оболочке и способ их приготовления
US6955823B2 (en)	2005-10-18	Process for making microcapsules involving phase inversion
KR20070012682A (ko)	2007-01-26	미립자 조성물 및 이의 제조방법
EP0356240B1 (fr)	1994-12-14	Méthode pour sécher des produits biologiques
US4656205A (en)	1987-04-07	Manufacture of polymeric beads
CA2196850C (fr)	2005-11-08	Compositions capsulaires d'enzymes sous forme de matrice ou de noyau-enveloppe, constituees de matieres solides modifiant la densite et d'un noyau avec des ingredients structurauxbien definis
CA2102128A1 (fr)	1992-11-15	Compositions contenant des particules de polymere et methode de production
AU607532B2 (en)	1991-03-07	Process for microencapsulation, uses of polymers prepared by said process, and compositions containing polymers prepared by said process
CA1340308C (fr)	1999-01-12	Compositions de blanchiment aqueuses stables, coulables, renfermant un acide peroxydique organique solide et au moins deux polymeres
CA2235800C (fr)	2004-04-13	Composition solide
US5993842A (en)	1999-11-30	Microcapsules containing suspensions of biologically active compounds
FI92712C (fi)	1994-12-27	Entsyymipitoisia pesuainekoostumuksia
JPH02277543A (ja)	1990-11-14	含水マイクロカプセルの製造方法
JPS60216839A (ja)	1985-10-30	微小カプセルの製造法