FI64898C - Foerfarande foer inkapsling av finfoerdelat material och anvaendning av de medelst foerfarandet erhaollna mikrokapslarna - Google Patents
Foerfarande foer inkapsling av finfoerdelat material och anvaendning av de medelst foerfarandet erhaollna mikrokapslarna Download PDFInfo
- Publication number
- FI64898C FI64898C FI763411A FI763411A FI64898C FI 64898 C FI64898 C FI 64898C FI 763411 A FI763411 A FI 763411A FI 763411 A FI763411 A FI 763411A FI 64898 C FI64898 C FI 64898C
- Authority
- FI
- Finland
- Prior art keywords
- process according
- formaldehyde precondensate
- polymer
- dispersion
- water
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 22
- 238000000034 method Methods 0.000 claims description 64
- 239000006185 dispersion Substances 0.000 claims description 52
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 claims description 43
- 229920000642 polymer Polymers 0.000 claims description 31
- 229920000877 Melamine resin Polymers 0.000 claims description 30
- 239000003094 microcapsule Substances 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 29
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 28
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 26
- 229920006322 acrylamide copolymer Polymers 0.000 claims description 16
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 239000002253 acid Chemical class 0.000 claims description 14
- 125000002091 cationic group Chemical group 0.000 claims description 12
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 11
- 229920003169 water-soluble polymer Polymers 0.000 claims description 11
- 239000012736 aqueous medium Substances 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical class CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920000881 Modified starch Polymers 0.000 claims description 2
- 229920002732 Polyanhydride Polymers 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- ZHNUHDYFZUAESO-OUBTZVSYSA-N aminoformaldehyde Chemical compound N[13CH]=O ZHNUHDYFZUAESO-OUBTZVSYSA-N 0.000 claims description 2
- 235000019426 modified starch Nutrition 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims 1
- 239000002775 capsule Substances 0.000 description 63
- 239000000203 mixture Substances 0.000 description 45
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 32
- 239000000243 solution Substances 0.000 description 26
- 239000000126 substance Substances 0.000 description 24
- 238000007792 addition Methods 0.000 description 20
- 229920001577 copolymer Polymers 0.000 description 16
- 239000008367 deionised water Substances 0.000 description 16
- 229910021641 deionized water Inorganic materials 0.000 description 16
- 238000003756 stirring Methods 0.000 description 15
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 14
- 238000005354 coacervation Methods 0.000 description 14
- 239000012071 phase Substances 0.000 description 13
- 239000000084 colloidal system Substances 0.000 description 12
- 239000000839 emulsion Substances 0.000 description 10
- 239000008384 inner phase Substances 0.000 description 10
- 235000011121 sodium hydroxide Nutrition 0.000 description 10
- 238000005538 encapsulation Methods 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000002243 precursor Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 108010010803 Gelatin Proteins 0.000 description 7
- 238000010790 dilution Methods 0.000 description 7
- 239000012895 dilution Substances 0.000 description 7
- 229920000159 gelatin Polymers 0.000 description 7
- 239000008273 gelatin Substances 0.000 description 7
- 235000019322 gelatine Nutrition 0.000 description 7
- 235000011852 gelatine desserts Nutrition 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- -1 urea formaldehyde ester Chemical class 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 241000219094 Vitaceae Species 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 235000021021 grapes Nutrition 0.000 description 4
- 230000020477 pH reduction Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 3
- 229940105329 carboxymethylcellulose Drugs 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- LIZLYZVAYZQVPG-UHFFFAOYSA-N (3-bromo-2-fluorophenyl)methanol Chemical compound OCC1=CC=CC(Br)=C1F LIZLYZVAYZQVPG-UHFFFAOYSA-N 0.000 description 2
- 229920000084 Gum arabic Polymers 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 241000978776 Senegalia senegal Species 0.000 description 2
- 239000000205 acacia gum Substances 0.000 description 2
- 235000010489 acacia gum Nutrition 0.000 description 2
- 150000003926 acrylamides Chemical class 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000001911 terphenyls Chemical class 0.000 description 2
- JQCVPZXMGXKNOD-UHFFFAOYSA-N 1,2-dibenzylbenzene Chemical class C=1C=CC=C(CC=2C=CC=CC=2)C=1CC1=CC=CC=C1 JQCVPZXMGXKNOD-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- PTHBKNSHSCMKBV-UHFFFAOYSA-N 4,6,8-trihydroxy-3-(2-hydroxyethyl)-2,3-dihydronaphtho[2,3-f][1]benzofuran-5,10-dione Chemical compound O=C1C2=CC(O)=CC(O)=C2C(=O)C2=C1C=C1OCC(CCO)C1=C2O PTHBKNSHSCMKBV-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical class F KRHYYFGTRYWZRS-UHFFFAOYSA-N 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
- 238000012695 Interfacial polymerization Methods 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- ZKURGBYDCVNWKH-UHFFFAOYSA-N [3,7-bis(dimethylamino)phenothiazin-10-yl]-phenylmethanone Chemical compound C12=CC=C(N(C)C)C=C2SC2=CC(N(C)C)=CC=C2N1C(=O)C1=CC=CC=C1 ZKURGBYDCVNWKH-UHFFFAOYSA-N 0.000 description 1
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 125000005506 phthalide group Chemical class 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical class C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- OVSQVDMCBVZWGM-QSOFNFLRSA-N quercetin 3-O-beta-D-glucopyranoside Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=C(C=2C=C(O)C(O)=CC=2)OC2=CC(O)=CC(O)=C2C1=O OVSQVDMCBVZWGM-QSOFNFLRSA-N 0.000 description 1
- 229920013730 reactive polymer Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- PTHBKNSHSCMKBV-ZETCQYMHSA-N versicol Natural products OCC[C@H]1COc2cc3C(=O)c4cc(O)cc(O)c4C(=O)c3c(O)c12 PTHBKNSHSCMKBV-ZETCQYMHSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01J13/14—Polymerisation; cross-linking
- B01J13/18—In situ polymerisation with all reactants being present in the same phase
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/914—Transfer or decalcomania
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2984—Microcapsule with fluid core [includes liposome]
- Y10T428/2985—Solid-walled microcapsule from synthetic polymer
- Y10T428/2987—Addition polymer from unsaturated monomers only
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Color Printing (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB48616/75A GB1507739A (en) | 1975-11-26 | 1975-11-26 | Capsules |
| GB4861675 | 1975-11-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI763411A7 FI763411A7 (en, 2012) | 1977-05-27 |
| FI64898B FI64898B (fi) | 1983-10-31 |
| FI64898C true FI64898C (fi) | 1984-02-10 |
Family
ID=10449274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI763411A FI64898C (fi) | 1975-11-26 | 1976-11-26 | Foerfarande foer inkapsling av finfoerdelat material och anvaendning av de medelst foerfarandet erhaollna mikrokapslarna |
Country Status (25)
| Country | Link |
|---|---|
| US (1) | US4105823A (en, 2012) |
| JP (1) | JPS5266878A (en, 2012) |
| AT (1) | AT353751B (en, 2012) |
| AU (1) | AU500603B2 (en, 2012) |
| BE (1) | BE848813A (en, 2012) |
| BR (1) | BR7607917A (en, 2012) |
| CA (1) | CA1067761A (en, 2012) |
| CH (1) | CH626270A5 (en, 2012) |
| DE (1) | DE2652875C2 (en, 2012) |
| DK (1) | DK533476A (en, 2012) |
| ES (1) | ES453710A1 (en, 2012) |
| FI (1) | FI64898C (en, 2012) |
| FR (1) | FR2332798A1 (en, 2012) |
| GB (1) | GB1507739A (en, 2012) |
| GR (1) | GR62016B (en, 2012) |
| IE (1) | IE43877B1 (en, 2012) |
| IT (1) | IT1078598B (en, 2012) |
| LU (1) | LU76257A1 (en, 2012) |
| NL (1) | NL179707C (en, 2012) |
| NO (1) | NO145975C (en, 2012) |
| PT (1) | PT65863B (en, 2012) |
| RO (1) | RO71467A (en, 2012) |
| SE (1) | SE426212B (en, 2012) |
| YU (1) | YU279776A (en, 2012) |
| ZA (1) | ZA766730B (en, 2012) |
Families Citing this family (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4201404A (en) * | 1978-05-17 | 1980-05-06 | Minnesota Mining And Manufacturing Company | Pressure-sensitive marking materials |
| JPS5833116B2 (ja) * | 1979-03-28 | 1983-07-18 | 三菱製紙株式会社 | 自己発色型感圧記録紙 |
| DE2940786A1 (de) * | 1979-10-08 | 1981-04-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von mikrokapseln |
| ZA811973B (en) * | 1980-04-08 | 1982-04-28 | Wiggins Teape Group Ltd | Process for the production of microcapsules |
| ES505353A0 (es) * | 1980-08-20 | 1982-08-16 | Kureha Chemical Ind Co Ltd | Procedimiento para la fabricacion de microcapsulas para pa- pel sensible a la presion |
| US5160529A (en) * | 1980-10-30 | 1992-11-03 | Imperial Chemical Industries Plc | Microcapsules and microencapsulation process |
| JPS57147430A (en) * | 1981-03-06 | 1982-09-11 | Kureha Chem Ind Co Ltd | Preparation of microcapsule |
| JPS5814942A (ja) * | 1981-07-17 | 1983-01-28 | Jujo Paper Co Ltd | 微小カプセルの製造方法 |
| JPS5882785A (ja) * | 1981-11-12 | 1983-05-18 | Kureha Chem Ind Co Ltd | 感圧記録紙用微小カプセル及びその製造方法 |
| US4454083A (en) * | 1981-12-21 | 1984-06-12 | Appleton Papers Inc. | Continuous microencapsulation |
| JPS58124705A (ja) * | 1982-01-18 | 1983-07-25 | Kureha Chem Ind Co Ltd | マイクロカプセル化農薬及びその製造方法 |
| JPS58139738A (ja) * | 1982-02-13 | 1983-08-19 | Mitsubishi Paper Mills Ltd | 微小カプセル |
| US4444699A (en) * | 1982-04-20 | 1984-04-24 | Appleton Papers Inc. | Capsule manufacture |
| US4552811A (en) * | 1983-07-26 | 1985-11-12 | Appleton Papers Inc. | Capsule manufacture |
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-
1975
- 1975-11-26 GB GB48616/75A patent/GB1507739A/en not_active Expired
-
1976
- 1976-11-05 IE IE2467/76A patent/IE43877B1/en unknown
- 1976-11-10 ZA ZA00766730A patent/ZA766730B/xx unknown
- 1976-11-10 AU AU19489/76A patent/AU500603B2/en not_active Expired
- 1976-11-10 CA CA265,352A patent/CA1067761A/en not_active Expired
- 1976-11-15 US US05/742,216 patent/US4105823A/en not_active Expired - Lifetime
- 1976-11-16 YU YU02797/76A patent/YU279776A/xx unknown
- 1976-11-17 NO NO763925A patent/NO145975C/no unknown
- 1976-11-18 FR FR7634699A patent/FR2332798A1/fr active Granted
- 1976-11-19 PT PT65863A patent/PT65863B/pt unknown
- 1976-11-20 DE DE2652875A patent/DE2652875C2/de not_active Expired
- 1976-11-22 NL NLAANVRAGE7612964,A patent/NL179707C/xx not_active IP Right Cessation
- 1976-11-24 IT IT12899/76A patent/IT1078598B/it active
- 1976-11-24 LU LU76257A patent/LU76257A1/xx unknown
- 1976-11-25 SE SE7613212A patent/SE426212B/xx not_active IP Right Cessation
- 1976-11-25 AT AT873776A patent/AT353751B/de not_active IP Right Cessation
- 1976-11-25 GR GR52260A patent/GR62016B/el unknown
- 1976-11-25 BR BR7607917A patent/BR7607917A/pt unknown
- 1976-11-26 CH CH1494976A patent/CH626270A5/de not_active IP Right Cessation
- 1976-11-26 FI FI763411A patent/FI64898C/fi not_active IP Right Cessation
- 1976-11-26 ES ES453710A patent/ES453710A1/es not_active Expired
- 1976-11-26 JP JP51142121A patent/JPS5266878A/ja active Granted
- 1976-11-26 BE BE172759A patent/BE848813A/xx not_active IP Right Cessation
- 1976-11-26 DK DK533476A patent/DK533476A/da not_active Application Discontinuation
-
1977
- 1977-02-14 RO RO7789402A patent/RO71467A/ro unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: WIGGINS TEAPE (UK) PLC |