FR2501528A1 - Procede de rupture selective d'une membrane permeable de microcapsules - Google Patents
Procede de rupture selective d'une membrane permeable de microcapsules Download PDFInfo
- Publication number
- FR2501528A1 FR2501528A1 FR8204243A FR8204243A FR2501528A1 FR 2501528 A1 FR2501528 A1 FR 2501528A1 FR 8204243 A FR8204243 A FR 8204243A FR 8204243 A FR8204243 A FR 8204243A FR 2501528 A1 FR2501528 A1 FR 2501528A1
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- Prior art keywords
- polymer
- solution
- membrane
- cations
- capsules
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
- C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
- C12N11/04—Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres
-
- 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
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
-
- 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
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
-
- 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
- A61K9/5073—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 having two or more different coatings optionally including drug-containing subcoatings
-
- 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
-
- 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
- B01J13/20—After-treatment of capsule walls, e.g. hardening
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/0012—Cell encapsulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K2035/126—Immunoprotecting barriers, e.g. jackets, diffusion chambers
- A61K2035/128—Immunoprotecting barriers, e.g. jackets, diffusion chambers capsules, e.g. microcapsules
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2533/00—Supports or coatings for cell culture, characterised by material
- C12N2533/70—Polysaccharides
- C12N2533/74—Alginate
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Dispersion Chemistry (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24358481A | 1981-03-13 | 1981-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2501528A1 true FR2501528A1 (fr) | 1982-09-17 |
| FR2501528B1 FR2501528B1 (enrdf_load_stackoverflow) | 1984-06-15 |
Family
ID=22919328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8204243A Granted FR2501528A1 (fr) | 1981-03-13 | 1982-03-12 | Procede de rupture selective d'une membrane permeable de microcapsules |
Country Status (11)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2501715A1 (fr) * | 1981-03-13 | 1982-09-17 | Damon Corp | Procede de culture de cellules necessitant une fixation pour la fabrication de substances therapeutiques |
| FR2503183A1 (fr) * | 1981-03-13 | 1982-10-08 | Damon Corp | Procede et ensemble de production de substances formees par des cellules vivantes |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD160393A3 (de) * | 1980-11-14 | 1983-07-27 | Horst Dautzenberg | Mikrokapseln und verfahren zu ihrer herstellung |
| US4582799A (en) * | 1983-04-15 | 1986-04-15 | Damon Biotech, Inc. | Process for recovering nonsecreted substances produced by cells |
| CA1196862A (en) * | 1983-06-01 | 1985-11-19 | Anthony M.F. Sun | Microencapsulation of living tissue and cells |
| EP0127989A3 (en) * | 1983-06-01 | 1986-03-26 | Connaught Laboratories Limited | Microencapsulation of living tissue and cells |
| CA1245984A (en) * | 1983-09-01 | 1988-12-06 | Damon Biotech, Inc. | Polyionic microencapsulation |
| US4663286A (en) * | 1984-02-13 | 1987-05-05 | Damon Biotech, Inc. | Encapsulation of materials |
| DE3575375D1 (de) * | 1984-02-15 | 1990-02-22 | Massachusetts Inst Technology | Verfahren zur verkapselung und systeme mit verkapseltem aktivmaterial. |
| US4686098A (en) * | 1984-05-14 | 1987-08-11 | Merck & Co., Inc. | Encapsulated mouse cells transformed with avian retrovirus-bovine growth hormone DNA, and a method of administering BGH in vivo |
| GB8500121D0 (en) * | 1985-01-03 | 1985-02-13 | Connaught Lab | Microencapsulation of living cells |
| AU589438B2 (en) * | 1985-08-26 | 1989-10-12 | Hana Biologics, Inc. | Transplantable artificial tissue and process |
| JPS62166891A (ja) * | 1986-01-20 | 1987-07-23 | Snow Brand Milk Prod Co Ltd | 細胞培養による有用物質の製造方法 |
| US4952506A (en) * | 1986-04-28 | 1990-08-28 | Rohm And Haas Company | Immobilization of nonanchorage-dependent cells |
| JPS6348039U (enrdf_load_stackoverflow) * | 1986-09-12 | 1988-04-01 | ||
| JPS6379587A (ja) * | 1986-09-22 | 1988-04-09 | Saburo Senoo | 細胞培養用基材 |
| US5069831A (en) * | 1988-12-22 | 1991-12-03 | The Mead Corporation | Method for separation of microcapsules and preparation of printing inks |
| SG47470A1 (en) * | 1991-04-25 | 1998-04-17 | Univ Brown Res Found | Implantable biocompatible immunoisolatory vehicle for delivery of a selected therapeutic products |
| US5800829A (en) * | 1991-04-25 | 1998-09-01 | Brown University Research Foundation | Methods for coextruding immunoisolatory implantable vehicles with a biocompatible jacket and a biocompatible matrix core |
| IL102785A (en) * | 1991-08-20 | 1998-06-15 | Univ Leicester | Method for removing protein from a water- soluble gum and a method of making biocompatible capsules using said gum |
| DE60033633T2 (de) * | 1999-12-08 | 2007-11-15 | Vercell Biotechnology Bv | Kit aus polyacrylamidgel zur herstellung einer kapsel im gewebe eines säugetierorganismus und tierischen allogenen oder xenogenen zellen , zur behandlung von onkologischen krankheiten und diabetes mellitus |
| GB201408233D0 (en) | 2014-05-09 | 2014-06-25 | Austrianova Singapore Pte Ltd | Use of polyanionic composition |
| JP7159334B2 (ja) * | 2018-09-28 | 2022-10-24 | 富士フイルム株式会社 | 細胞構造体、細胞構造体の製造方法、細胞培養方法及びマイクロ流路 |
| CN114504561B (zh) * | 2022-03-01 | 2023-08-11 | 陕西科技大学 | 一种用于制备药物渗透泵制剂的水性包衣方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3190837A (en) * | 1958-12-31 | 1965-06-22 | Ncr Co | Making individual capsules by dual deposition |
| FR1542881A (fr) * | 1966-10-10 | 1968-10-18 | Ncr Co | Procédé de préparation de capsules minuscules à base de polymère |
| CH573212A5 (en) * | 1973-06-29 | 1976-03-15 | Feller Marc Rech Tech Et Et Sc | Delayed release agricultural formulations - of herbicide or insecticide absorbed on porous carrier and coed with isolating layer |
| GB2046209A (en) * | 1979-03-28 | 1980-11-12 | Damon Corp | Encapsulation of chemically active, biologically active materials and viable tissue |
-
1982
- 1982-03-11 NO NO820795A patent/NO158284C/no unknown
- 1982-03-12 DK DK112382A patent/DK112382A/da not_active Application Discontinuation
- 1982-03-12 CH CH1574/82A patent/CH651579A5/de not_active IP Right Cessation
- 1982-03-12 IT IT20139/82A patent/IT1150681B/it active
- 1982-03-12 GB GB8207308A patent/GB2094750B/en not_active Expired
- 1982-03-12 JP JP57038239A patent/JPS57197031A/ja active Granted
- 1982-03-12 DE DE3209045A patent/DE3209045C2/de not_active Expired
- 1982-03-12 CA CA000398210A patent/CA1184518A/en not_active Expired
- 1982-03-12 SE SE8201557A patent/SE454181B/sv not_active IP Right Cessation
- 1982-03-12 FR FR8204243A patent/FR2501528A1/fr active Granted
- 1982-03-12 BE BE0/207557A patent/BE892477A/fr not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3190837A (en) * | 1958-12-31 | 1965-06-22 | Ncr Co | Making individual capsules by dual deposition |
| FR1542881A (fr) * | 1966-10-10 | 1968-10-18 | Ncr Co | Procédé de préparation de capsules minuscules à base de polymère |
| CH573212A5 (en) * | 1973-06-29 | 1976-03-15 | Feller Marc Rech Tech Et Et Sc | Delayed release agricultural formulations - of herbicide or insecticide absorbed on porous carrier and coed with isolating layer |
| GB2046209A (en) * | 1979-03-28 | 1980-11-12 | Damon Corp | Encapsulation of chemically active, biologically active materials and viable tissue |
Non-Patent Citations (2)
| Title |
|---|
| CHEMICAL ABSTRACTS, vol.90, no.17, 23 avril 1979, page 554, résumé no.138191c, COLUMBUS OHIO (US) * |
| CHEMICAL ABSTRACTS, vol.94, no.4, janvier 1981, page 301, résumé no.20305x, COLUMBUS OHIO (US) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2501715A1 (fr) * | 1981-03-13 | 1982-09-17 | Damon Corp | Procede de culture de cellules necessitant une fixation pour la fabrication de substances therapeutiques |
| FR2503183A1 (fr) * | 1981-03-13 | 1982-10-08 | Damon Corp | Procede et ensemble de production de substances formees par des cellules vivantes |
Also Published As
| Publication number | Publication date |
|---|---|
| BE892477A (fr) | 1982-07-01 |
| IT1150681B (it) | 1986-12-17 |
| CH651579A5 (de) | 1985-09-30 |
| NO158284C (no) | 1988-08-17 |
| DE3209045C2 (de) | 1986-06-19 |
| GB2094750A (en) | 1982-09-22 |
| DK112382A (da) | 1982-09-14 |
| JPS57197031A (en) | 1982-12-03 |
| FR2501528B1 (enrdf_load_stackoverflow) | 1984-06-15 |
| NO158284B (no) | 1988-05-09 |
| DE3209045A1 (de) | 1982-09-30 |
| IT8220139A0 (it) | 1982-03-12 |
| CA1184518A (en) | 1985-03-26 |
| GB2094750B (en) | 1984-08-22 |
| SE454181B (sv) | 1988-04-11 |
| NO820795L (no) | 1982-09-14 |
| SE8201557L (sv) | 1982-09-14 |
| JPS6152737B2 (enrdf_load_stackoverflow) | 1986-11-14 |
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Legal Events
| Date | Code | Title | Description |
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| TP | Transmission of property | ||
| ST | Notification of lapse |