FR2479835A1 - Procede de production de microcapsules - Google Patents
Procede de production de microcapsules Download PDFInfo
- Publication number
- FR2479835A1 FR2479835A1 FR8106943A FR8106943A FR2479835A1 FR 2479835 A1 FR2479835 A1 FR 2479835A1 FR 8106943 A FR8106943 A FR 8106943A FR 8106943 A FR8106943 A FR 8106943A FR 2479835 A1 FR2479835 A1 FR 2479835A1
- Authority
- FR
- France
- Prior art keywords
- dispersion
- precondensate
- mixture
- formaldehyde
- microcapsules
- 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.)
- Granted
Links
- 239000003094 microcapsule Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 62
- 230000008569 process Effects 0.000 title claims abstract description 46
- 239000006185 dispersion Substances 0.000 claims abstract description 116
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 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 abstract description 31
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 13
- 230000002378 acidificating effect Effects 0.000 claims abstract description 12
- 238000007171 acid catalysis Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 40
- 229920000642 polymer Polymers 0.000 claims description 37
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 20
- 238000009833 condensation Methods 0.000 claims description 17
- 230000005494 condensation Effects 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 17
- 238000011049 filling Methods 0.000 claims description 14
- 239000012736 aqueous medium Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 10
- 230000006641 stabilisation Effects 0.000 claims description 10
- 238000011105 stabilization Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 7
- 239000002243 precursor Substances 0.000 claims description 7
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 238000006482 condensation reaction Methods 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 229920003169 water-soluble polymer Polymers 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 235000010443 alginic acid Nutrition 0.000 claims description 3
- 229920000615 alginic acid Polymers 0.000 claims description 3
- 229920000768 polyamine Polymers 0.000 claims description 3
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 2
- 229920000881 Modified starch Polymers 0.000 claims description 2
- 229940072056 alginate Drugs 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 150000002466 imines Chemical class 0.000 claims description 2
- 235000019426 modified starch Nutrition 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000000230 xanthan gum Substances 0.000 claims description 2
- 235000010493 xanthan gum Nutrition 0.000 claims description 2
- 229920001285 xanthan gum Polymers 0.000 claims description 2
- 229940082509 xanthan gum Drugs 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- 150000001768 cations Chemical class 0.000 claims 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 150000003573 thiols Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 84
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000003381 stabilizer Substances 0.000 abstract description 7
- 230000003993 interaction Effects 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 63
- 239000000243 solution Substances 0.000 description 56
- 239000008367 deionised water Substances 0.000 description 41
- 229910021641 deionized water Inorganic materials 0.000 description 41
- 239000007787 solid Substances 0.000 description 37
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- 239000000725 suspension Substances 0.000 description 30
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 18
- 239000002775 capsule Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000005538 encapsulation Methods 0.000 description 10
- 230000002209 hydrophobic effect Effects 0.000 description 10
- 235000019270 ammonium chloride Nutrition 0.000 description 9
- -1 urethane thiol Chemical class 0.000 description 9
- 238000003756 stirring Methods 0.000 description 7
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 description 6
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 6
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 239000003350 kerosene Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229940035658 visco-gel Drugs 0.000 description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000001684 chronic effect Effects 0.000 description 2
- 238000005354 coacervation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229920000867 polyelectrolyte Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 239000000661 sodium alginate Substances 0.000 description 2
- 235000010413 sodium alginate Nutrition 0.000 description 2
- 229940005550 sodium alginate Drugs 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000012546 transfer Methods 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
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- PJKKDRZVAVHJNB-UHFFFAOYSA-N 2-amino-2-sulfanylideneacetamide Chemical compound NC(=O)C(N)=S PJKKDRZVAVHJNB-UHFFFAOYSA-N 0.000 description 1
- WNZQDUSMALZDQF-UHFFFAOYSA-N 2-benzofuran-1(3H)-one Chemical class C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-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
- RYUJRXVZSJCHDZ-UHFFFAOYSA-N 8-methylnonyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCCCC(C)C)OC1=CC=CC=C1 RYUJRXVZSJCHDZ-UHFFFAOYSA-N 0.000 description 1
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920006063 Lamide® Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- DUFKCOQISQKSAV-UHFFFAOYSA-N Polypropylene glycol (m w 1,200-3,000) Chemical compound CC(O)COC(C)CO DUFKCOQISQKSAV-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical class OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation 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
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 229920006320 anionic starch Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- XOVJAYNMQDTIJD-UHFFFAOYSA-N cyclopentobarbital Chemical compound C1CC=CC1C1(CC=C)C(=O)NC(=O)NC1=O XOVJAYNMQDTIJD-UHFFFAOYSA-N 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical class C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 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
- OAEGRYMCJYIXQT-UHFFFAOYSA-N dithiooxamide Chemical class NC(=S)C(N)=S OAEGRYMCJYIXQT-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- PXZQEOJJUGGUIB-UHFFFAOYSA-N isoindolin-1-one Chemical compound C1=CC=C2C(=O)NCC2=C1 PXZQEOJJUGGUIB-UHFFFAOYSA-N 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- KNRMURHAZMNRGD-UHFFFAOYSA-N n,n'-dibenzylethanedithioamide Chemical compound C=1C=CC=CC=1CNC(=S)C(=S)NCC1=CC=CC=C1 KNRMURHAZMNRGD-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- 125000005591 trimellitate group Chemical group 0.000 description 1
- 150000003673 urethanes Chemical class 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
- Y10T428/249995—Constituent is in liquid form
- Y10T428/249997—Encapsulated liquid
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8011461 | 1980-04-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2479835A1 true FR2479835A1 (fr) | 1981-10-09 |
| FR2479835B1 FR2479835B1 (enExample) | 1983-06-10 |
Family
ID=10512630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8106943A Granted FR2479835A1 (fr) | 1980-04-08 | 1981-04-07 | Procede de production de microcapsules |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US4396670A (enExample) |
| JP (1) | JPS56155636A (enExample) |
| AT (1) | AT382796B (enExample) |
| AU (1) | AU539624B2 (enExample) |
| BE (1) | BE888297A (enExample) |
| BR (1) | BR8102014A (enExample) |
| CA (1) | CA1153635A (enExample) |
| CH (1) | CH649228A5 (enExample) |
| DE (1) | DE3114035A1 (enExample) |
| DK (1) | DK156781A (enExample) |
| ES (1) | ES501139A0 (enExample) |
| FI (1) | FI71235C (enExample) |
| FR (1) | FR2479835A1 (enExample) |
| GR (1) | GR75211B (enExample) |
| HK (1) | HK68284A (enExample) |
| IT (1) | IT1200580B (enExample) |
| LU (1) | LU83287A1 (enExample) |
| NL (1) | NL8101684A (enExample) |
| NO (1) | NO811164L (enExample) |
| NZ (1) | NZ196601A (enExample) |
| PT (1) | PT72791B (enExample) |
| SE (1) | SE454651B (enExample) |
| ZA (1) | ZA811973B (enExample) |
Families Citing this family (118)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454083A (en) * | 1981-12-21 | 1984-06-12 | Appleton Papers Inc. | Continuous microencapsulation |
| US4561981A (en) * | 1984-01-27 | 1985-12-31 | Characklis William G | Treatment of fouling with microcapsules |
| DE3447298C1 (de) * | 1984-12-24 | 1986-04-24 | Papierfabrik August Koehler AG, 7602 Oberkirch | Verfahren zur Mikroverkapselung von Ölen mit darin gelösten Farbreaktionspartnern und danach hergestellte Mikrokapseln |
| DE3545803C2 (de) * | 1984-12-24 | 1991-02-14 | Papierfabrik August Koehler AG, 7602 Oberkirch | Verfahren zur Mikroverkapselung von Ölen mit darin gelösten Farbreaktionspartnern, danach hergestellte Mikrokapseln und deren Verwendung in Farbreaktionsaufzeichnungssystemen |
| US5089339A (en) * | 1984-12-24 | 1992-02-18 | Pietsch Guenter | Aminoplast microencapsulation system |
| US4594370A (en) * | 1985-03-29 | 1986-06-10 | The Mead Corporation | Amine-formaldehyde microencapsulation process |
| US4822769A (en) * | 1985-06-12 | 1989-04-18 | Nashua Corporation | High solids content coated back paper |
| DE3532878A1 (de) * | 1985-09-14 | 1987-03-26 | Basf Ag | Kontinuierliches verfahren zur herstellung von mikrokapseln mit waenden aus melamin-formaldehydkondensaten in waessriger dispersion |
| US4690825A (en) * | 1985-10-04 | 1987-09-01 | Advanced Polymer Systems, Inc. | Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen |
| DE3709586C1 (de) * | 1987-03-24 | 1988-07-14 | Koehler August Papierfab | Verfahren zur Mikroverkapselung von hydrophoben OElen,die danach erhaeltlichen Mikrokapseln und deren Verwendung |
| JPS63268777A (ja) * | 1987-04-25 | 1988-11-07 | Kanzaki Paper Mfg Co Ltd | マイクロカプセルインキ組成物 |
| US4766176A (en) * | 1987-07-20 | 1988-08-23 | Dow Corning Corporation | Storage stable heat curable organosiloxane compositions containing microencapsulated platinum-containing catalysts |
| ES2017536T5 (es) * | 1987-12-21 | 1995-08-01 | Koehler August Papierfab | Procedimiento para la fabricacion de microcapsulas, microcapsulas obtenidas y su utilizacion. |
| US5112541A (en) * | 1988-01-29 | 1992-05-12 | Idemitsu Kosan Company, Ltd. | Microencapsulated lubricating fluids and additives and method of making same |
| US5023080A (en) * | 1988-06-17 | 1991-06-11 | Basic Bio Systems, Inc. | Time release protein |
| US5055300A (en) * | 1988-06-17 | 1991-10-08 | Basic Bio Systems, Inc. | Time release protein |
| US5079005A (en) * | 1988-06-17 | 1992-01-07 | Gupta Kashmiri L | Time release protein |
| US5011885A (en) * | 1989-10-27 | 1991-04-30 | The Mead Corporation | Methods for the production of microcapsules using functionalized isocyanate |
| DE3942155C1 (enExample) * | 1989-12-20 | 1991-03-21 | Papierfabrik August Koehler Ag, 7602 Oberkirch, De | |
| US5180637A (en) * | 1990-11-02 | 1993-01-19 | Sakura Color Products Corporation | Double-walled microcapsules and a process for preparation of same |
| US5204185A (en) * | 1990-12-11 | 1993-04-20 | The Standard Register Company | Microencapsulation process using melamine-formaldehyde and microcapsules produced thereby |
| CA2080424A1 (en) * | 1991-10-25 | 1993-04-26 | Jerry Moy | Microcapsules containing inorganic colloids and method for making the same |
| WO1993017877A1 (en) * | 1992-03-06 | 1993-09-16 | Nashua Corporation | Xerographable carbonless forms |
| EP0573210B2 (en) * | 1992-06-04 | 2005-11-23 | Arjo Wiggins Limited | Pressure-sensitive record material |
| JPH06234268A (ja) * | 1992-12-16 | 1994-08-23 | Mitsubishi Paper Mills Ltd | インクジェット記録シート |
| GB9313790D0 (en) * | 1993-07-03 | 1993-08-18 | Wiggins Teape Group The Ltd | Pressure-sensitive copying material |
| GB9414637D0 (en) * | 1994-07-20 | 1994-09-07 | Wiggins Teape Group The Limite | Presure-sensitive copying material |
| GB9522233D0 (en) * | 1995-10-31 | 1996-01-03 | Wiggins Teape Group The Limite | Pressure-sensitive copying paper |
| DE10241942A1 (de) * | 2002-09-10 | 2004-03-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mikrokapseln für die Kautschukherstellung und Verfahren zu deren Herstellung |
| DE102005035388A1 (de) * | 2005-07-28 | 2007-02-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mikroverkapselte Kautschukadditive und Verfahren zu deren Herstellung |
| US20070078071A1 (en) * | 2005-09-30 | 2007-04-05 | Kaiping Lee | Spray dry capsule products and methods for preparing and using same |
| US20070138673A1 (en) * | 2005-12-15 | 2007-06-21 | Kaiping Lee | Process for Preparing a High Stability Microcapsule Product and Method for Using Same |
| US20070138672A1 (en) * | 2005-12-15 | 2007-06-21 | Kaiping Lee | Process for preparing a high stability microcapsule product and method for using same |
| JP5049738B2 (ja) * | 2006-12-06 | 2012-10-17 | 株式会社日本触媒 | 多層マイクロカプセルおよびその製造方法 |
| US9334464B2 (en) | 2011-11-29 | 2016-05-10 | Firmenich Sa | Microcapsules and uses thereof |
| BR112015027796A2 (pt) | 2013-05-22 | 2017-08-29 | Firmenich & Cie | Microcápsulas que contêm um cetoácido ou cetoéster fotolábil gerador de gás e uso das mesmas |
| US10646416B2 (en) | 2013-05-22 | 2020-05-12 | Firmenich Sa | Microcapsules containing a gas-releasing photolabile compound and uses thereof |
| US9610228B2 (en) | 2013-10-11 | 2017-04-04 | International Flavors & Fragrances Inc. | Terpolymer-coated polymer encapsulated active material |
| CN104560398A (zh) | 2013-10-18 | 2015-04-29 | 国际香料和香精公司 | 杂合芳香包封制剂及其使用方法 |
| FR3016303B1 (fr) | 2014-01-10 | 2016-01-01 | Microcapsules Technologies | Procede de fabrication de microcapsules a double paroi, microcapsules preparees par ce procede et leur utilisation |
| US9714397B2 (en) | 2014-10-16 | 2017-07-25 | Encapsys Llc | Controlled release microcapsules |
| US9714396B2 (en) | 2014-10-16 | 2017-07-25 | Encapsys Llc | Controlled release dual walled microcapsules |
| US10485739B2 (en) | 2014-10-16 | 2019-11-26 | Encapsys Llc | High strength microcapsules |
| JP6743009B2 (ja) | 2014-11-24 | 2020-08-19 | フイルメニツヒ ソシエテ アノニムＦｉｒｍｅｎｉｃｈ Ｓａ | ガスを発生する感光性ポリマーを含有するマイクロカプセルおよびその使用 |
| JP6643338B2 (ja) | 2014-12-08 | 2020-02-12 | フイルメニツヒ ソシエテ アノニムＦｉｒｍｅｎｉｃｈ Ｓａ | ローズの香りを有する脂肪族ニトリル |
| MX2017006401A (es) | 2014-12-10 | 2017-09-11 | Firmenich & Cie | Polisiloxanos como sistemas de suministro de fragancias en perfumeria fina. |
| CN107206343B (zh) | 2015-02-06 | 2021-02-05 | 弗门尼舍有限公司 | 赋予强烈香草气味香调的微胶囊 |
| US10047318B2 (en) | 2015-04-23 | 2018-08-14 | Firmenich Sa | Osmanthus odorant |
| CN107849488B (zh) | 2015-07-14 | 2021-04-13 | 弗门尼舍有限公司 | 具有铃兰气味的化合物 |
| ES2755419T3 (es) | 2015-09-16 | 2020-04-22 | Firmenich & Cie | Ingrediente perfumante verde de lirio del valle |
| MX2018003069A (es) | 2015-10-01 | 2018-05-07 | Firmenich & Cie | Odorizante de vetiver. |
| WO2018053356A1 (en) | 2016-09-16 | 2018-03-22 | International Flavors & Fragrances Inc. | Microcapsule compositions stabilized with viscosity control agents |
| CN115089512B (zh) | 2016-02-18 | 2024-08-27 | 国际香料和香精公司 | 聚脲胶囊组合物 |
| MX376526B (es) | 2016-06-22 | 2025-03-07 | Firmenich & Cie | Odorizante talcoso amaderado potente. |
| CN121242966A (zh) | 2016-07-01 | 2026-01-02 | 国际香料和香精公司 | 稳定的微胶囊组合物 |
| WO2018050658A1 (en) | 2016-09-16 | 2018-03-22 | Firmenich Sa | Perfuming composition |
| WO2018050655A1 (en) | 2016-09-16 | 2018-03-22 | Firmenich Sa | Perfuming composition |
| US20180085291A1 (en) | 2016-09-28 | 2018-03-29 | International Flavors & Fragrances Inc. | Microcapsule compositions containing amino silicone |
| WO2018114844A1 (en) | 2016-12-21 | 2018-06-28 | Firmenich Sa | Lily of the valley odorant |
| US10597605B2 (en) | 2017-01-18 | 2020-03-24 | Firmenich Sa | Composition having a muguet odor |
| CN110225964B (zh) | 2017-01-18 | 2023-05-23 | 弗门尼舍有限公司 | 具有铃兰气味的组合物 |
| WO2018134410A1 (en) | 2017-01-23 | 2018-07-26 | Firmenich Sa | Cleavable surfactant |
| CN110418780B (zh) | 2017-03-15 | 2023-02-28 | 弗门尼舍有限公司 | 作为加香成分的环己烯衍生物 |
| EP3606901B1 (en) | 2017-04-04 | 2021-08-11 | Firmenich SA | Vetiver odorant |
| JP6945640B2 (ja) | 2017-04-04 | 2021-10-06 | フイルメニツヒ ソシエテ アノニムＦｉｒｍｅｎｉｃｈ Ｓａ | ベチバーの匂い物質 |
| EP3612510B1 (en) | 2017-04-18 | 2022-07-06 | Firmenich SA | Alpha alkylation of aldehyde with a polycyclic olefin |
| WO2018192923A1 (en) | 2017-04-18 | 2018-10-25 | Firmenich Sa | Alpha alkylation of aldehyde with a polycyclic olefin |
| ES2898259T3 (es) | 2017-07-14 | 2022-03-04 | Firmenich & Cie | Composiciones refrigerantes que contienen una amida y un alquil-lactato |
| JP2020527539A (ja) | 2017-07-18 | 2020-09-10 | フイルメニツヒ ソシエテ アノニムＦｉｒｍｅｎｉｃｈ Ｓａ | シクラメンにおい物質 |
| MX2020003261A (es) | 2017-11-28 | 2020-07-20 | Firmenich & Cie | Odorizante ambar. |
| WO2019141761A1 (en) | 2018-01-19 | 2019-07-25 | Firmenich Sa | Lily of the valley odorant |
| EP4667651A3 (en) | 2018-04-27 | 2026-02-18 | International Flavors and Fragrances Inc. | Stable polyurea microcapsule compositions |
| US20210363461A1 (en) | 2018-06-21 | 2021-11-25 | FlRMENICH SA | Compounds for providing a long-lasting strawberry odor |
| JP2021528505A (ja) | 2018-06-26 | 2021-10-21 | フイルメニツヒ ソシエテ アノニムＦｉｒｍｅｎｉｃｈ Ｓａ | 賦香成分としてのシクロヘキセンプロパナール誘導体 |
| CN112236506B (zh) | 2018-10-15 | 2024-11-15 | 弗门尼舍有限公司 | 环戊酮化合物 |
| US11267776B2 (en) | 2018-10-16 | 2022-03-08 | Firmenich Sa | Cyclopropyl ring opening by alpha alkylation of an aldehyde with a polycyclic olefin |
| CN120694898A (zh) | 2018-12-18 | 2025-09-26 | 国际香料和香精公司 | 瓜尔胶微胶囊 |
| CN113423700A (zh) | 2019-05-27 | 2021-09-21 | 弗门尼舍有限公司 | 琥珀香气味剂 |
| US20220142157A1 (en) | 2019-05-31 | 2022-05-12 | Firmenich Sa | Arthropod controlling composition |
| JP2022533893A (ja) | 2019-05-31 | 2022-07-27 | フイルメニツヒ ソシエテ アノニム | 節足動物防除組成物 |
| CN114502704A (zh) | 2019-12-03 | 2022-05-13 | 弗门尼舍有限公司 | 烯醇醚香料前体 |
| WO2021122997A1 (en) | 2019-12-19 | 2021-06-24 | Firmenich Sa | Compounds for providing a long-lasting floral and fruity odor |
| US12325839B2 (en) | 2019-12-20 | 2025-06-10 | Firmenich Sa | Pro-perfume compositions |
| MX2022006921A (es) | 2019-12-20 | 2022-07-12 | Firmenich & Cie | Macrociclos odoriferos almizclados con olor a polvo. |
| MX2022007133A (es) | 2020-01-24 | 2022-07-11 | Firmenich & Cie | Compuesto odorifero verde. |
| US20230091481A1 (en) | 2020-04-14 | 2023-03-23 | Firmenich Sa | Compounds for providing a long-lasting odor |
| ES3055458T3 (en) | 2020-04-14 | 2026-02-12 | Firmenich & Cie | Odorant compound |
| WO2021209397A1 (en) | 2020-04-14 | 2021-10-21 | Firmenich Sa | Lily of the valley odorant |
| WO2021250164A1 (en) | 2020-06-12 | 2021-12-16 | Firmenich Sa | Enol ether properfume |
| US20230247992A1 (en) | 2020-07-15 | 2023-08-10 | Firmenich Sa | Arthropod control composition |
| WO2022063943A1 (en) | 2020-09-24 | 2022-03-31 | Firmenich Sa | Consumer products containing pro-fragrances |
| BR112023000789A2 (pt) | 2020-10-23 | 2023-05-09 | Firmenich & Cie | Composições para limitar ou eliminar a percepção de mau cheiro de suor |
| WO2022117613A1 (en) | 2020-12-03 | 2022-06-09 | Firmenich Sa | Dry shampoo composition |
| BR112023003345A2 (pt) | 2020-12-21 | 2023-05-09 | Firmenich & Cie | Métodos implementados por computador para treinar um dispositivo de rede neural e métodos correspondentes para gerar composições de sabor ou fragrância |
| JP2024519652A (ja) | 2021-04-29 | 2024-05-21 | フイルメニツヒ ソシエテ アノニム | 水性組成物官能影響判定方法、水性組成物成分量判定方法、および対応するシステム |
| JP2024518799A (ja) | 2021-05-20 | 2024-05-02 | フイルメニツヒ ソシエテ アノニム | パウダリーでムスキーな匂いの大環状分子 |
| US20260002097A1 (en) | 2021-06-28 | 2026-01-01 | Firmenich Sa | Textile articles for tumble-drying |
| US12187829B2 (en) | 2021-08-12 | 2025-01-07 | Trucapsol Llc | Environmentally biodegradable microcapsules |
| WO2023066860A1 (en) | 2021-10-18 | 2023-04-27 | Firmenich Sa | Chemical compound database construction method, composition prediction and assembling methods and obtained fragrances having a moisturizing effect |
| WO2023111006A1 (en) | 2021-12-14 | 2023-06-22 | Firmenich Sa | Enol ether properfume |
| US20230329982A1 (en) * | 2022-04-19 | 2023-10-19 | Trucapsol Llc | Resin compositions comprising a macromolecule crosslinked with polyamide epichlorohydrin, controlled release particles and compositions comprising same, and methods of making same |
| JP2025519864A (ja) | 2022-06-21 | 2025-06-26 | フイルメニツヒ ソシエテ アノニム | 悪臭を放つアルデヒドおよびケトンを防止、低減、または改善するための組成物およびその使用 |
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| WO2023247604A1 (en) | 2022-06-22 | 2023-12-28 | Firmenich Sa | Methods for enhancing mental performance and compositions for use therein |
| CN119730828A (zh) | 2022-08-31 | 2025-03-28 | 弗门尼舍有限公司 | 含有1,3-丁二醇的香氛组合物 |
| CN119789844A (zh) | 2022-08-31 | 2025-04-08 | 弗门尼舍有限公司 | 含有2,3-丁二醇和/或1,3-丁二醇的香氛组合物 |
| WO2024074323A1 (en) | 2022-10-07 | 2024-04-11 | Firmenich Sa | Stabilized fragrance compositions and uses thereof |
| EP4386766A1 (en) | 2022-12-16 | 2024-06-19 | Firmenich SA | Method and system for predicting a stability value for a determined fragrance in a determined fragrance base |
| WO2024218086A1 (en) | 2023-04-17 | 2024-10-24 | Firmenich Sa | Photolabile cyclic acetals and ketals for the light-induced delivery of active aldehydes and ketones |
| WO2024227943A1 (en) | 2023-05-04 | 2024-11-07 | Firmenich Sa | Method for the production of lactones |
| WO2025153685A1 (en) | 2024-01-18 | 2025-07-24 | Firmenich Sa | 3-acyl-oxazolidin-5-one properfumes |
| WO2025160319A1 (en) | 2024-01-26 | 2025-07-31 | The Procter & Gamble Company | Consumer products containing malodor counteracting compounds |
| WO2025190760A2 (en) | 2024-03-13 | 2025-09-18 | Firmenich Sa | Profragrances releasing mesityl oxide |
| WO2026008554A1 (en) | 2024-07-02 | 2026-01-08 | Firmenich Sa | Computer-implemented method for providing at least one fragrance molecule representation for fragrance or flavor product production |
| WO2026022151A1 (en) | 2024-07-23 | 2026-01-29 | Firmenich Sa | Compositions to limit or eliminate the perception of sweat malodor |
| WO2026027747A1 (en) | 2024-08-02 | 2026-02-05 | Firmenich Sa | Compositions to limit or eliminate the perception of washing machine malodor |
| WO2026041452A2 (en) | 2024-08-19 | 2026-02-26 | Firmenich Sa | Method for production of terpene compounds |
| WO2026047164A1 (en) | 2024-08-30 | 2026-03-05 | Firmenich Sa | Oximes for use in the field of perfumes and fragrances |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2135721A1 (de) * | 1970-07-17 | 1972-01-27 | Champion Paper Co Ltd | Wasserbeständiges mikrokapselartiges, hchtundurchlassiges System |
| GB1270408A (en) * | 1968-12-23 | 1972-04-12 | Champion Paper Co Ltd | Improvements in or relating to opacifying particles |
| US3819398A (en) * | 1970-07-17 | 1974-06-25 | Champion Int Corp | Process for production of pressure-sensitive copy sheet |
| US3993831A (en) * | 1968-12-17 | 1976-11-23 | Champion International Corporation | Microcapsules, process for their formation and transfer sheet record material coated therewith |
| GB1507739A (en) * | 1975-11-26 | 1978-04-19 | Wiggins Teape Ltd | Capsules |
| US4100103A (en) * | 1976-12-30 | 1978-07-11 | Ncr Corporation | Capsule manufacture |
| GB2006709A (en) * | 1977-09-28 | 1979-05-10 | Mitsubishi Paper Mills Ltd | Production of micro-capsules |
| FR2441417A1 (fr) * | 1978-11-14 | 1980-06-13 | Kanzaki Paper Mfg Co Ltd | Procede de production de microcapsules |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2797201A (en) * | 1953-05-11 | 1957-06-25 | Standard Oil Co | Process of producing hollow particles and resulting product |
| US3016308A (en) * | 1957-08-06 | 1962-01-09 | Moore Business Forms Inc | Recording paper coated with microscopic capsules of coloring material, capsules and method of making |
| US3137631A (en) * | 1959-12-01 | 1964-06-16 | Faberge Inc | Encapsulation in natural products |
| NL134885C (enExample) * | 1961-03-13 | 1900-01-01 | ||
| US3251386A (en) * | 1963-04-08 | 1966-05-17 | Ready Ind Inc | Filler valve assembly |
| CH490889A (de) * | 1965-08-02 | 1970-05-31 | Ciba Geigy | Verfahren zur Einkapselung von in einer Flüssigkeit fein verteilter Substanz |
| US3418656A (en) * | 1965-10-23 | 1968-12-24 | Us Plywood Champ Papers Inc | Microcapsules, process for their formation and transfer sheet record material coated therewith |
| US3516941A (en) * | 1966-07-25 | 1970-06-23 | Minnesota Mining & Mfg | Microcapsules and process of making |
| US3886084A (en) * | 1966-09-29 | 1975-05-27 | Champion Int Corp | Microencapsulation system |
| US3607775A (en) * | 1968-01-29 | 1971-09-21 | Ncr Co | Process for encapsulating minute particles by use of autogenously polymerizable capsule wall material |
| JPS5212150B1 (enExample) * | 1968-06-04 | 1977-04-05 | ||
| US3516846A (en) * | 1969-11-18 | 1970-06-23 | Minnesota Mining & Mfg | Microcapsule-containing paper |
| CH540715A (de) * | 1970-05-26 | 1973-10-15 | Ciba Geigy Ag | Verfahren zur Einkapselung von in einer Flüssigkeit fein verteilter Substanz |
| US4000345A (en) * | 1970-07-17 | 1976-12-28 | Champion International Corporation | Substrate having coating thereon comprising microcapsular opacifying agents, and method of preparing same |
| US4001140A (en) * | 1974-07-10 | 1977-01-04 | Ncr Corporation | Capsule manufacture |
| CA1052195A (en) | 1974-09-12 | 1979-04-10 | Moore Business Forms | Production of dual walled microcapsules by reducing ph to polymerize aminoaldehyde precondensate |
| US4089302A (en) * | 1975-05-16 | 1978-05-16 | Remeha Fabrieken Br - The Netherlands | Cast metal heat exchanger, as well as mould therefor |
| GB1524307A (en) * | 1976-06-16 | 1978-09-13 | Monsanto Europe Sa | Encapsulation process |
| JPS6049019B2 (ja) * | 1977-12-20 | 1985-10-30 | 富士写真フイルム株式会社 | 微小カプセルの製造方法 |
| JPS54107881A (en) * | 1978-02-14 | 1979-08-24 | Fuji Photo Film Co Ltd | Preparation of minute capsule |
| DE3008658A1 (de) | 1979-03-09 | 1980-09-11 | Fuji Photo Film Co Ltd | Verfahren zur herstellung von mikrokapseln |
-
1981
- 1981-03-24 US US06/247,150 patent/US4396670A/en not_active Expired - Lifetime
- 1981-03-24 ZA ZA00811973A patent/ZA811973B/xx unknown
- 1981-03-24 AU AU68693/81A patent/AU539624B2/en not_active Ceased
- 1981-03-24 NZ NZ19660181A patent/NZ196601A/xx unknown
- 1981-03-27 CA CA000374007A patent/CA1153635A/en not_active Expired
- 1981-03-31 SE SE8102051A patent/SE454651B/sv not_active IP Right Cessation
- 1981-04-02 PT PT7279181A patent/PT72791B/pt unknown
- 1981-04-03 NO NO811164A patent/NO811164L/no unknown
- 1981-04-03 BR BR8102014A patent/BR8102014A/pt unknown
- 1981-04-03 FI FI811041A patent/FI71235C/fi not_active IP Right Cessation
- 1981-04-03 NL NL8101684A patent/NL8101684A/nl not_active Application Discontinuation
- 1981-04-06 IT IT2094781A patent/IT1200580B/it active
- 1981-04-06 BE BE0/204386A patent/BE888297A/fr not_active IP Right Cessation
- 1981-04-06 GR GR64592A patent/GR75211B/el unknown
- 1981-04-06 AT AT159381A patent/AT382796B/de not_active IP Right Cessation
- 1981-04-07 DE DE3114035A patent/DE3114035A1/de active Granted
- 1981-04-07 FR FR8106943A patent/FR2479835A1/fr active Granted
- 1981-04-07 LU LU83287A patent/LU83287A1/fr unknown
- 1981-04-07 DK DK156781A patent/DK156781A/da not_active IP Right Cessation
- 1981-04-07 ES ES501139A patent/ES501139A0/es active Granted
- 1981-04-08 CH CH2371/81A patent/CH649228A5/de not_active IP Right Cessation
- 1981-04-08 JP JP5287881A patent/JPS56155636A/ja active Granted
-
1984
- 1984-08-30 HK HK682/84A patent/HK68284A/xx not_active IP Right Cessation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993831A (en) * | 1968-12-17 | 1976-11-23 | Champion International Corporation | Microcapsules, process for their formation and transfer sheet record material coated therewith |
| GB1270408A (en) * | 1968-12-23 | 1972-04-12 | Champion Paper Co Ltd | Improvements in or relating to opacifying particles |
| DE2135721A1 (de) * | 1970-07-17 | 1972-01-27 | Champion Paper Co Ltd | Wasserbeständiges mikrokapselartiges, hchtundurchlassiges System |
| US3819398A (en) * | 1970-07-17 | 1974-06-25 | Champion Int Corp | Process for production of pressure-sensitive copy sheet |
| GB1507739A (en) * | 1975-11-26 | 1978-04-19 | Wiggins Teape Ltd | Capsules |
| US4100103A (en) * | 1976-12-30 | 1978-07-11 | Ncr Corporation | Capsule manufacture |
| GB2006709A (en) * | 1977-09-28 | 1979-05-10 | Mitsubishi Paper Mills Ltd | Production of micro-capsules |
| FR2441417A1 (fr) * | 1978-11-14 | 1980-06-13 | Kanzaki Paper Mfg Co Ltd | Procede de production de microcapsules |
Also Published As
| Publication number | Publication date |
|---|---|
| NZ196601A (en) | 1982-12-21 |
| JPS56155636A (en) | 1981-12-01 |
| IT8120947A0 (it) | 1981-04-06 |
| SE454651B (sv) | 1988-05-24 |
| ZA811973B (en) | 1982-04-28 |
| PT72791B (en) | 1982-07-26 |
| JPH0347139B2 (enExample) | 1991-07-18 |
| SE8102051L (sv) | 1981-10-09 |
| NL8101684A (nl) | 1981-11-02 |
| NO811164L (no) | 1981-10-09 |
| FR2479835B1 (enExample) | 1983-06-10 |
| DE3114035A1 (de) | 1982-02-11 |
| GR75211B (enExample) | 1984-07-13 |
| ES8202491A1 (es) | 1982-02-01 |
| ATA159381A (de) | 1986-09-15 |
| DE3114035C2 (enExample) | 1988-03-31 |
| AU539624B2 (en) | 1984-10-11 |
| IT1200580B (it) | 1989-01-27 |
| HK68284A (en) | 1984-09-07 |
| DK156781A (da) | 1981-10-09 |
| BE888297A (fr) | 1981-07-31 |
| PT72791A (en) | 1981-05-01 |
| DE3114035C3 (enExample) | 1993-05-13 |
| CA1153635A (en) | 1983-09-13 |
| CH649228A5 (de) | 1985-05-15 |
| FI71235B (fi) | 1986-09-09 |
| LU83287A1 (fr) | 1981-12-02 |
| FI811041L (fi) | 1981-10-09 |
| AU6869381A (en) | 1981-10-15 |
| FI71235C (fi) | 1986-12-19 |
| US4396670A (en) | 1983-08-02 |
| BR8102014A (pt) | 1981-10-13 |
| AT382796B (de) | 1987-04-10 |
| ES501139A0 (es) | 1982-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property |