DE1222019B - Verfahren zum Einhuellen fester oder fluessiger Teilchen in Kapseln - Google Patents
Verfahren zum Einhuellen fester oder fluessiger Teilchen in KapselnInfo
- Publication number
- DE1222019B DE1222019B DEG37099A DEG0037099A DE1222019B DE 1222019 B DE1222019 B DE 1222019B DE G37099 A DEG37099 A DE G37099A DE G0037099 A DEG0037099 A DE G0037099A DE 1222019 B DE1222019 B DE 1222019B
- Authority
- DE
- Germany
- Prior art keywords
- gelatin
- acid
- capsules
- water
- particles
- 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.)
- Pending
Links
- 239000002775 capsule Substances 0.000 title claims description 24
- 239000007788 liquid Substances 0.000 title claims description 19
- 239000002245 particle Substances 0.000 title claims description 14
- 239000007787 solid Substances 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 9
- 229920000159 gelatin Polymers 0.000 claims description 46
- 235000019322 gelatine Nutrition 0.000 claims description 46
- 108010010803 Gelatin Proteins 0.000 claims description 41
- 239000008273 gelatin Substances 0.000 claims description 41
- 235000011852 gelatine desserts Nutrition 0.000 claims description 41
- 239000000084 colloidal system Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 10
- 238000005354 coacervation Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 7
- 239000000499 gel Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 description 17
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000000126 substance Substances 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 11
- 239000003921 oil Substances 0.000 description 10
- 239000000839 emulsion Substances 0.000 description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- -1 aliphatic acid anhydrides Chemical class 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 239000002609 medium Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000001828 Gelatine Substances 0.000 description 5
- 150000008064 anhydrides Chemical class 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 4
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 230000020477 pH reduction Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- CQQSQBRPAJSTFB-UHFFFAOYSA-N 4-(bromomethyl)benzoic acid Chemical compound OC(=O)C1=CC=C(CBr)C=C1 CQQSQBRPAJSTFB-UHFFFAOYSA-N 0.000 description 2
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- ZERJZUZPWKKYFM-UHFFFAOYSA-N aniline;sulfurofluoridic acid Chemical compound OS(F)(=O)=O.NC1=CC=CC=C1 ZERJZUZPWKKYFM-UHFFFAOYSA-N 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000003094 microcapsule Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical class C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- LUMLZKVIXLWTCI-NSCUHMNNSA-N (e)-2,3-dichloro-4-oxobut-2-enoic acid Chemical compound OC(=O)C(\Cl)=C(/Cl)C=O LUMLZKVIXLWTCI-NSCUHMNNSA-N 0.000 description 1
- LKLLNYWECKEQIB-UHFFFAOYSA-N 1,3,5-triazinane Chemical compound C1NCNCN1 LKLLNYWECKEQIB-UHFFFAOYSA-N 0.000 description 1
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 description 1
- IAZFBDCXIGRJLS-UHFFFAOYSA-N 1,3-dioxo-2-benzofuran-4-sulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC2=C1C(=O)OC2=O IAZFBDCXIGRJLS-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- CZQIJQFTRGDODI-UHFFFAOYSA-N 1-bromo-4-isocyanatobenzene Chemical compound BrC1=CC=C(N=C=O)C=C1 CZQIJQFTRGDODI-UHFFFAOYSA-N 0.000 description 1
- ADAKRBAJFHTIEW-UHFFFAOYSA-N 1-chloro-4-isocyanatobenzene Chemical compound ClC1=CC=C(N=C=O)C=C1 ADAKRBAJFHTIEW-UHFFFAOYSA-N 0.000 description 1
- BDQNKCYCTYYMAA-UHFFFAOYSA-N 1-isocyanatonaphthalene Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1 BDQNKCYCTYYMAA-UHFFFAOYSA-N 0.000 description 1
- XRXMNWGCKISMOH-UHFFFAOYSA-N 2-bromobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1Br XRXMNWGCKISMOH-UHFFFAOYSA-N 0.000 description 1
- CXJAFLQWMOMYOW-UHFFFAOYSA-N 3-chlorofuran-2,5-dione Chemical compound ClC1=CC(=O)OC1=O CXJAFLQWMOMYOW-UHFFFAOYSA-N 0.000 description 1
- LMRKXSDOAFUINK-UHFFFAOYSA-N 3-chlorosulfonylbenzoic acid Chemical compound OC(=O)C1=CC=CC(S(Cl)(=O)=O)=C1 LMRKXSDOAFUINK-UHFFFAOYSA-N 0.000 description 1
- VWYMBWGOJRULOV-UHFFFAOYSA-N 3-fluorosulfonylbenzoic acid Chemical compound OC(=O)C1=CC=CC(S(F)(=O)=O)=C1 VWYMBWGOJRULOV-UHFFFAOYSA-N 0.000 description 1
- KMMHZIBWCXYAAH-UHFFFAOYSA-N 4-bromobenzenesulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=C(Br)C=C1 KMMHZIBWCXYAAH-UHFFFAOYSA-N 0.000 description 1
- WZADVYBKUABRSB-UHFFFAOYSA-N 4-carbonobromidoylbenzoic acid Chemical compound OC(=O)C1=CC=C(C(Br)=O)C=C1 WZADVYBKUABRSB-UHFFFAOYSA-N 0.000 description 1
- DTJVECUKADWGMO-UHFFFAOYSA-N 4-methoxybenzenesulfonyl chloride Chemical compound COC1=CC=C(S(Cl)(=O)=O)C=C1 DTJVECUKADWGMO-UHFFFAOYSA-N 0.000 description 1
- IZZYABADQVQHLC-UHFFFAOYSA-N 4-methylbenzenesulfonyl fluoride Chemical compound CC1=CC=C(S(F)(=O)=O)C=C1 IZZYABADQVQHLC-UHFFFAOYSA-N 0.000 description 1
- SKDHHIUENRGTHK-UHFFFAOYSA-N 4-nitrobenzoyl chloride Chemical compound [O-][N+](=O)C1=CC=C(C(Cl)=O)C=C1 SKDHHIUENRGTHK-UHFFFAOYSA-N 0.000 description 1
- MGYGFNQQGAQEON-UHFFFAOYSA-N 4-tolyl isocyanate Chemical compound CC1=CC=C(N=C=O)C=C1 MGYGFNQQGAQEON-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- IAFICDISJLDCHS-UHFFFAOYSA-N C=CN(C1=CC=CC=C1)S(=O)=O Chemical compound C=CN(C1=CC=CC=C1)S(=O)=O IAFICDISJLDCHS-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- CSKNSYBAZOQPLR-UHFFFAOYSA-N benzenesulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC=C1 CSKNSYBAZOQPLR-UHFFFAOYSA-N 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-N bromic acid Chemical compound OBr(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-N 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 1
- OIDPCXKPHYRNKH-UHFFFAOYSA-J chrome alum Chemical compound [K]OS(=O)(=O)O[Cr]1OS(=O)(=O)O1 OIDPCXKPHYRNKH-UHFFFAOYSA-J 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- ZAKLKBFCSHJIRI-UHFFFAOYSA-N mucochloric acid Natural products OC1OC(=O)C(Cl)=C1Cl ZAKLKBFCSHJIRI-UHFFFAOYSA-N 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 125000001557 phthalyl group Chemical group C(=O)(O)C1=C(C(=O)*)C=CC=C1 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/388—Processes for the incorporation in the emulsion of substances liberating photographically active agents or colour-coupling substances; Solvents therefor
-
- 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.]
- Y10T428/2989—Microcapsule with solid core [includes liposome]
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL275045 | 1962-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1222019B true DE1222019B (de) | 1966-08-04 |
Family
ID=19753626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEG37099A Pending DE1222019B (de) | 1962-02-20 | 1963-02-19 | Verfahren zum Einhuellen fester oder fluessiger Teilchen in Kapseln |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3328257A (en, 2012) |
| AT (1) | AT242668B (en, 2012) |
| BE (1) | BE628650A (en, 2012) |
| CH (1) | CH439229A (en, 2012) |
| DE (1) | DE1222019B (en, 2012) |
| GB (1) | GB1034437A (en, 2012) |
| NL (2) | NL275045A (en, 2012) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3396026A (en) * | 1963-03-25 | 1968-08-06 | Polaroid Corp | Photographic capsular products |
| US3492380A (en) * | 1967-03-07 | 1970-01-27 | Pennwalt Corp | Process for encapsulation |
| US3676363A (en) * | 1969-09-04 | 1972-07-11 | Benjamin Mosier | Production of weighted microcapsular materials |
| JPS5116488B1 (en, 2012) * | 1969-09-29 | 1976-05-25 | ||
| US3627693A (en) * | 1970-01-28 | 1971-12-14 | Ncr Co | Layered capsule walls and a method for manufacturing them |
| US3944502A (en) * | 1970-08-06 | 1976-03-16 | Fuji Photo Film Co., Ltd. | Process for preparing microcapsules containing hydrophobic oil drops |
| BE788762A (fr) * | 1971-09-13 | 1973-01-02 | Fuji Photo Film Co Ltd | Procede de production de microcapsules |
| US4003846A (en) * | 1973-11-16 | 1977-01-18 | Ciba-Geigy Corporation | Process for the encapsulating of substances immiscible with water |
| JPS5318182B2 (en, 2012) * | 1973-12-18 | 1978-06-13 | ||
| US4187193A (en) * | 1974-09-24 | 1980-02-05 | Champion International Corporation | Micro-capsules containing ureido fluoran chromogenic compounds |
| US4104437A (en) * | 1974-09-24 | 1978-08-01 | Champion International Corporation | Pressure-sensitive copy system including ureido fluoran chromogenic compounds |
| DE3022453A1 (de) * | 1980-06-14 | 1982-01-07 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von mikrokapseln |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1280583A (fr) * | 1958-12-22 | 1962-01-08 | Upjohn Co | Enrobage de particules d'une émulsion d'huile dans un liquide hydrophile par coacervation d'un polymère macromoléculaire linéaire |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE484325A (en, 2012) * | 1947-08-13 | |||
| BE543743A (en, 2012) * | 1950-04-15 | |||
| BE530008A (en, 2012) * | 1953-06-30 | |||
| 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 |
| US3069370A (en) * | 1958-12-22 | 1962-12-18 | Upjohn Co | Coacervation process for encapsulation of lipophilic materials |
| NL104256C (en, 2012) * | 1958-12-22 | |||
| NL246985A (en, 2012) * | 1958-12-31 | |||
| BE585460A (en, 2012) * | 1959-01-02 | 1900-01-01 |
-
0
- NL NL128863D patent/NL128863C/xx active
- BE BE628650D patent/BE628650A/xx unknown
- NL NL275045D patent/NL275045A/xx unknown
-
1963
- 1963-02-18 AT AT124363A patent/AT242668B/de active
- 1963-02-19 US US259739A patent/US3328257A/en not_active Expired - Lifetime
- 1963-02-19 CH CH205363A patent/CH439229A/de unknown
- 1963-02-19 DE DEG37099A patent/DE1222019B/de active Pending
- 1963-02-20 GB GB6860/63A patent/GB1034437A/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1280583A (fr) * | 1958-12-22 | 1962-01-08 | Upjohn Co | Enrobage de particules d'une émulsion d'huile dans un liquide hydrophile par coacervation d'un polymère macromoléculaire linéaire |
Also Published As
| Publication number | Publication date |
|---|---|
| CH439229A (de) | 1967-07-15 |
| US3328257A (en) | 1967-06-27 |
| NL128863C (en, 2012) | |
| NL275045A (en, 2012) | |
| GB1034437A (en) | 1966-06-29 |
| BE628650A (en, 2012) | |
| AT242668B (de) | 1965-09-27 |
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