ATE87235T1 - Verfahren zur herstellung von mikrokapseln. - Google Patents
Verfahren zur herstellung von mikrokapseln.Info
- Publication number
- ATE87235T1 ATE87235T1 AT90200006T AT90200006T ATE87235T1 AT E87235 T1 ATE87235 T1 AT E87235T1 AT 90200006 T AT90200006 T AT 90200006T AT 90200006 T AT90200006 T AT 90200006T AT E87235 T1 ATE87235 T1 AT E87235T1
- Authority
- AT
- Austria
- Prior art keywords
- isopropyl
- microcapsules
- production
- hardening
- microencapsulating
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000003094 microcapsule Substances 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 abstract 1
- 230000000975 bioactive effect Effects 0.000 abstract 1
- 229920000249 biocompatible polymer Polymers 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 1
- -1 isopropyl ester Chemical class 0.000 abstract 1
- XUGNVMKQXJXZCD-UHFFFAOYSA-N isopropyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC(C)C XUGNVMKQXJXZCD-UHFFFAOYSA-N 0.000 abstract 1
- 239000008194 pharmaceutical composition Substances 0.000 abstract 1
- 238000005191 phase separation Methods 0.000 abstract 1
- 125000005480 straight-chain fatty acid group Chemical group 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- 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
- A61K9/1682—Processes
- A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- 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
- B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
-
- 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
- B01J13/206—Hardening; drying
-
- 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
- A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
-
- 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
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
- A61K9/1647—Polyesters, e.g. 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
- A61K9/14—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
-
- 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
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP89200015 | 1989-01-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE87235T1 true ATE87235T1 (de) | 1993-04-15 |
Family
ID=8202294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT90200006T ATE87235T1 (de) | 1989-01-04 | 1990-01-02 | Verfahren zur herstellung von mikrokapseln. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5066436A (de) |
| EP (1) | EP0377477B1 (de) |
| JP (1) | JPH02247117A (de) |
| AT (1) | ATE87235T1 (de) |
| AU (1) | AU622967B2 (de) |
| DE (1) | DE69001132T2 (de) |
| DK (1) | DK0377477T3 (de) |
| ES (1) | ES2055292T3 (de) |
| GR (1) | GR3007481T3 (de) |
| IE (1) | IE900015L (de) |
| IL (1) | IL92344A0 (de) |
| NZ (1) | NZ231885A (de) |
Families Citing this family (73)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6517859B1 (en) | 1990-05-16 | 2003-02-11 | Southern Research Institute | Microcapsules for administration of neuroactive agents |
| US5417671A (en) * | 1990-05-23 | 1995-05-23 | Jackson; Richard R. | Medical devices having local anesthetic effect and methods of their manufacture |
| US5160742A (en) * | 1991-12-31 | 1992-11-03 | Abbott Laboratories | System for delivering an active substance for sustained release |
| DE4223169C1 (de) * | 1992-07-10 | 1993-11-25 | Ferring Arzneimittel Gmbh | Verfahren zur Mikroverkapselung wasserlöslicher Wirkstoffe |
| WO1994009898A1 (de) * | 1992-10-26 | 1994-05-11 | Schwarz Pharma Ag | Verfahren zur herstellung von mikrokapseln |
| US5603960A (en) * | 1993-05-25 | 1997-02-18 | O'hagan; Derek T. | Preparation of microparticles and method of immunization |
| GB9310781D0 (en) * | 1993-05-25 | 1993-07-14 | Davis Stanley S | Preparation of microparticles |
| US5500161A (en) * | 1993-09-21 | 1996-03-19 | Massachusetts Institute Of Technology And Virus Research Institute | Method for making hydrophobic polymeric microparticles |
| EP2275089A1 (de) * | 1993-11-19 | 2011-01-19 | Alkermes Controlled Therapeutics, Inc. | Herstellung biologisch abbaubarer Mikropartikel, die einen biologisch aktiven Stoff enthalten |
| US5512278A (en) * | 1994-01-11 | 1996-04-30 | Phylomed Corporation | Ointment base useful for pharmaceutical preparations |
| US6426085B1 (en) | 1994-05-02 | 2002-07-30 | Josman Laboratories Inc. | Use of bismuth-containing compounds in topical oral dosage forms for the treatment of halitosis |
| US5834002A (en) | 1994-05-02 | 1998-11-10 | Josman Laboratories, Inc. | Chewing gum containing colloidal bismuth subcitrate |
| US6902738B2 (en) | 1994-05-02 | 2005-06-07 | Josman Laboratories, Inc. | Topical oral dosage forms containing bismuth compounds |
| US6372784B1 (en) | 1995-02-07 | 2002-04-16 | Josman Laboratories, Inc. | Bismuth-containing compounds in topical dosage forms for treatment of corneal and dermal wounds |
| US6379651B1 (en) | 1995-02-07 | 2002-04-30 | Josman Laboratories | Oral-topical dosage forms for delivering antibacterials/antibiotics to oral cavity to eradicate H. pylori as a concomitant treatment for peptic ulcers and other gastro-intestinal diseases |
| US6143211A (en) * | 1995-07-21 | 2000-11-07 | Brown University Foundation | Process for preparing microparticles through phase inversion phenomena |
| CN1055417C (zh) * | 1995-09-05 | 2000-08-16 | 中国科学院成都有机化学研究所 | 一种核-壳结构的蛋白高分子微球及其制法 |
| US5792477A (en) * | 1996-05-07 | 1998-08-11 | Alkermes Controlled Therapeutics, Inc. Ii | Preparation of extended shelf-life biodegradable, biocompatible microparticles containing a biologically active agent |
| DE19732903A1 (de) | 1997-07-30 | 1999-02-04 | Falk Pharma Gmbh | Pellet-Formulierung zur Behandlung des Intestinaltraktes |
| US20030180368A1 (en) * | 1998-03-14 | 2003-09-25 | Cenes Drug Delivery Limited | Production of microparticles |
| US6194006B1 (en) | 1998-12-30 | 2001-02-27 | Alkermes Controlled Therapeutics Inc. Ii | Preparation of microparticles having a selected release profile |
| ITMI991316A1 (it) * | 1999-06-14 | 2000-12-14 | Cip Ninety Two 92 S A | Composizioni farmaceutiche orali a rilascio modificato di mesalazina |
| US6331317B1 (en) | 1999-11-12 | 2001-12-18 | Alkermes Controlled Therapeutics Ii Inc. | Apparatus and method for preparing microparticles |
| US6705757B2 (en) * | 1999-11-12 | 2004-03-16 | Alkermes Controlled Therapeutics, Inc. Ii | Method and apparatus for preparing microparticles using in-line solvent extraction |
| US6495166B1 (en) | 1999-11-12 | 2002-12-17 | Alkermes Controlled Therapeutics Inc. | Apparatus and method for preparing microparticles using in-line solvent extraction |
| US6264987B1 (en) * | 2000-05-19 | 2001-07-24 | Alkermes Controlled Therapeutics Inc. Ii | Method for preparing microparticles having a selected polymer molecular weight |
| US6495164B1 (en) | 2000-05-25 | 2002-12-17 | Alkermes Controlled Therapeutics, Inc. I | Preparation of injectable suspensions having improved injectability |
| US6824822B2 (en) * | 2001-08-31 | 2004-11-30 | Alkermes Controlled Therapeutics Inc. Ii | Residual solvent extraction method and microparticles produced thereby |
| US6471995B1 (en) * | 2000-09-27 | 2002-10-29 | Alkermes Controlled Therapeutics, Inc. Ii | Apparatus and method for preparing microparticles using liquid-liquid extraction |
| US20050048126A1 (en) | 2000-12-22 | 2005-03-03 | Barrett Rabinow | Formulation to render an antimicrobial drug potent against organisms normally considered to be resistant to the drug |
| US7193084B2 (en) | 2000-12-22 | 2007-03-20 | Baxter International Inc. | Polymorphic form of itraconazole |
| US8067032B2 (en) | 2000-12-22 | 2011-11-29 | Baxter International Inc. | Method for preparing submicron particles of antineoplastic agents |
| US7037528B2 (en) | 2000-12-22 | 2006-05-02 | Baxter International Inc. | Microprecipitation method for preparing submicron suspensions |
| US6951656B2 (en) | 2000-12-22 | 2005-10-04 | Baxter International Inc. | Microprecipitation method for preparing submicron suspensions |
| US9700866B2 (en) | 2000-12-22 | 2017-07-11 | Baxter International Inc. | Surfactant systems for delivery of organic compounds |
| US6977085B2 (en) | 2000-12-22 | 2005-12-20 | Baxter International Inc. | Method for preparing submicron suspensions with polymorph control |
| US6884436B2 (en) | 2000-12-22 | 2005-04-26 | Baxter International Inc. | Method for preparing submicron particle suspensions |
| US20020114843A1 (en) * | 2000-12-27 | 2002-08-22 | Ramstack J. Michael | Preparation of microparticles having improved flowability |
| ES2307779T3 (es) * | 2001-08-16 | 2008-12-01 | Baxter International Inc. | Formulaciones de microparticulas a base de propelentes. |
| US20060003012A9 (en) | 2001-09-26 | 2006-01-05 | Sean Brynjelsen | Preparation of submicron solid particle suspensions by sonication of multiphase systems |
| CN1558755A (zh) | 2001-09-26 | 2004-12-29 | ���ع��ʹ�˾ | 通过分散和除去溶剂或液相制备亚微米大小的纳米颗粒 |
| US7112340B2 (en) | 2001-10-19 | 2006-09-26 | Baxter International Inc. | Compositions of and method for preparing stable particles in a frozen aqueous matrix |
| US6833191B2 (en) * | 2001-11-20 | 2004-12-21 | Encap Technologies, Llc | Microencapsulated particles and process for manufacturing same |
| CN1444925A (zh) * | 2002-03-19 | 2003-10-01 | 王玉万 | 含乙基纤维素的兽用长效注射制剂 |
| DE10254878A1 (de) * | 2002-11-25 | 2004-06-03 | Bayer Ag | Herstellung uretdiongruppenhaltiger Polyisocyanate |
| JP4547995B2 (ja) * | 2003-06-03 | 2010-09-22 | 参天製薬株式会社 | 微粒子の製造法 |
| FR2857592B1 (fr) * | 2003-07-18 | 2006-02-24 | Sod Conseils Rech Applic | Nouveau procede de preparation de microparticules |
| BRPI0412735A (pt) * | 2003-07-18 | 2006-09-26 | Baxter Int | métodos para a fabricação, uso e composição de partìculas esféricas pequenas preparadas mediante a separação de fase controlada |
| US20050142205A1 (en) * | 2003-07-18 | 2005-06-30 | Julia Rashba-Step | Methods for encapsulating small spherical particles prepared by controlled phase separation |
| WO2005110425A1 (en) * | 2004-04-15 | 2005-11-24 | Alkermes, Inc. | Polymer-based sustained release device |
| US8728525B2 (en) | 2004-05-12 | 2014-05-20 | Baxter International Inc. | Protein microspheres retaining pharmacokinetic and pharmacodynamic properties |
| US11246913B2 (en) | 2005-02-03 | 2022-02-15 | Intarcia Therapeutics, Inc. | Suspension formulation comprising an insulinotropic peptide |
| JP5118139B2 (ja) | 2006-08-04 | 2013-01-16 | バクスター・インターナショナル・インコーポレイテッド | 新規発症自己免疫性糖尿病を予防および／または逆転させるためのマイクロスフィアに基づく組成物 |
| PT2359808E (pt) | 2006-08-09 | 2013-08-28 | Intarcia Therapeutics Inc | Sistemas de entrega osmótica e montagens de pistão |
| ES2402172T3 (es) | 2007-04-23 | 2013-04-29 | Intarcia Therapeutics, Inc | Formulación en suspensión de péptidos insulinotrópicos y usos de los mismos |
| US8722736B2 (en) | 2007-05-22 | 2014-05-13 | Baxter International Inc. | Multi-dose concentrate esmolol with benzyl alcohol |
| US8426467B2 (en) | 2007-05-22 | 2013-04-23 | Baxter International Inc. | Colored esmolol concentrate |
| US20090036414A1 (en) * | 2007-08-02 | 2009-02-05 | Mutual Pharmaceutical Company, Inc. | Mesalamine Formulations |
| WO2009102467A2 (en) | 2008-02-13 | 2009-08-20 | Intarcia Therapeutics, Inc. | Devices, formulations, and methods for delivery of multiple beneficial agents |
| US8367427B2 (en) | 2008-08-20 | 2013-02-05 | Baxter International Inc. | Methods of processing compositions containing microparticles |
| US8323615B2 (en) | 2008-08-20 | 2012-12-04 | Baxter International Inc. | Methods of processing multi-phasic dispersions |
| US8323685B2 (en) | 2008-08-20 | 2012-12-04 | Baxter International Inc. | Methods of processing compositions containing microparticles |
| EP2334178A4 (de) | 2008-10-03 | 2012-04-11 | Falk Pharma Gmbh | Zusammensetzungen und verfahren zur behandlung von darmerkrankungen mit granuliertem mesalamin |
| EP3735944A1 (de) | 2009-09-28 | 2020-11-11 | Intarcia Therapeutics, Inc. | Schnelle initiierung und/oder beendigung der verabreichung substantiell stabiler arzneimittel |
| US20120208755A1 (en) | 2011-02-16 | 2012-08-16 | Intarcia Therapeutics, Inc. | Compositions, Devices and Methods of Use Thereof for the Treatment of Cancers |
| EP2969566A4 (de) | 2013-03-12 | 2016-11-23 | Ansell Ltd | Artikel zur bruch- oder kontaminationsanzeige |
| WO2015188221A1 (en) | 2014-06-12 | 2015-12-17 | Ansell Limited | Breach or contamination indicating article, optionally with pre-warning indicator |
| US9889085B1 (en) | 2014-09-30 | 2018-02-13 | Intarcia Therapeutics, Inc. | Therapeutic methods for the treatment of diabetes and related conditions for patients with high baseline HbA1c |
| KR102650751B1 (ko) | 2015-06-03 | 2024-03-22 | 인타르시아 세라퓨틱스 인코포레이티드 | 임플란트 배치 및 제거 시스템들 |
| CN109310743A (zh) | 2016-05-16 | 2019-02-05 | 因塔西亚制药公司 | 胰高血糖素受体选择性多肽及其使用方法 |
| USD860451S1 (en) | 2016-06-02 | 2019-09-17 | Intarcia Therapeutics, Inc. | Implant removal tool |
| USD840030S1 (en) | 2016-06-02 | 2019-02-05 | Intarcia Therapeutics, Inc. | Implant placement guide |
| AU2018206539A1 (en) | 2017-01-03 | 2019-07-18 | Intarcia Therapeutics, Inc. | Methods comprising continuous administration of a GLP-1 receptor agonist and co-administration of a drug |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU57907A1 (de) * | 1969-02-04 | 1970-08-04 | ||
| JPS5210427B2 (de) * | 1972-07-19 | 1977-03-24 | ||
| US3954678A (en) * | 1974-07-11 | 1976-05-04 | E. I. Du Pont De Nemours And Company | Semipermeable microcapsules containing a silica gel |
| US4272398A (en) * | 1978-08-17 | 1981-06-09 | The United States Of America As Represented By The Secretary Of Agriculture | Microencapsulation process |
| JPS5952417B2 (ja) * | 1979-06-22 | 1984-12-19 | 富士写真フイルム株式会社 | ハロゲン化銀写真感光材料 |
| US4601863A (en) * | 1984-02-09 | 1986-07-22 | Kanzaki Paper Manufacturing Co., Ltd. | Process for producing powder of microcapsules |
| CH660302A5 (fr) * | 1984-10-17 | 1987-04-15 | Debiopharm Sa | Procede de micro-encapsulation en phase heterogene de substances medicamenteuses hydrosolubles. |
| US4722838A (en) * | 1986-05-09 | 1988-02-02 | E. I. Du Pont De Nemours And Company | Self-microencapsulating controlled release pesticide compositions |
| US4976961A (en) * | 1986-07-18 | 1990-12-11 | Minnesota Mining And Manufacturing Company | Encapsulated cosmetic materials and process of making |
-
1989
- 1989-11-17 IL IL92344A patent/IL92344A0/xx not_active IP Right Cessation
- 1989-12-20 NZ NZ231885A patent/NZ231885A/en unknown
- 1989-12-27 US US07/457,257 patent/US5066436A/en not_active Expired - Fee Related
- 1989-12-28 JP JP1339901A patent/JPH02247117A/ja active Pending
-
1990
- 1990-01-02 ES ES90200006T patent/ES2055292T3/es not_active Expired - Lifetime
- 1990-01-02 DE DE9090200006T patent/DE69001132T2/de not_active Expired - Fee Related
- 1990-01-02 EP EP90200006A patent/EP0377477B1/de not_active Expired - Lifetime
- 1990-01-02 AU AU47397/90A patent/AU622967B2/en not_active Ceased
- 1990-01-02 DK DK90200006.6T patent/DK0377477T3/da active
- 1990-01-02 AT AT90200006T patent/ATE87235T1/de not_active IP Right Cessation
- 1990-01-03 IE IE900015A patent/IE900015L/xx unknown
-
1993
- 1993-03-26 GR GR930400566T patent/GR3007481T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5066436A (en) | 1991-11-19 |
| GR3007481T3 (de) | 1993-07-30 |
| IL92344A0 (en) | 1990-07-26 |
| AU4739790A (en) | 1990-07-12 |
| EP0377477A1 (de) | 1990-07-11 |
| DE69001132T2 (de) | 1993-07-15 |
| EP0377477B1 (de) | 1993-03-24 |
| NZ231885A (en) | 1992-07-28 |
| DK0377477T3 (da) | 1993-04-19 |
| DE69001132D1 (de) | 1993-04-29 |
| AU622967B2 (en) | 1992-04-30 |
| JPH02247117A (ja) | 1990-10-02 |
| IE900015L (en) | 1990-07-04 |
| ES2055292T3 (es) | 1994-08-16 |
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