DE3879545D1 - Polymer-teilchen. - Google Patents
Polymer-teilchen.Info
- Publication number
- DE3879545D1 DE3879545D1 DE8888304699A DE3879545A DE3879545D1 DE 3879545 D1 DE3879545 D1 DE 3879545D1 DE 8888304699 A DE8888304699 A DE 8888304699A DE 3879545 A DE3879545 A DE 3879545A DE 3879545 D1 DE3879545 D1 DE 3879545D1
- Authority
- DE
- Germany
- Prior art keywords
- microspheres
- porosity
- skin
- hydroxybutyrate
- wide range
- 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.)
- Expired - Fee Related
Links
- 229920000642 polymer Polymers 0.000 title abstract 3
- 239000002245 particle Substances 0.000 title 1
- 239000004005 microsphere Substances 0.000 abstract 6
- SJZRECIVHVDYJC-UHFFFAOYSA-M 4-hydroxybutyrate Chemical compound OCCCC([O-])=O SJZRECIVHVDYJC-UHFFFAOYSA-M 0.000 abstract 2
- 239000004480 active ingredient Substances 0.000 abstract 2
- 238000013270 controlled release Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- UQGPCEVQKLOLLM-UHFFFAOYSA-N pentaneperoxoic acid Chemical compound CCCCC(=O)OO UQGPCEVQKLOLLM-UHFFFAOYSA-N 0.000 abstract 1
- 230000001105 regulatory effect Effects 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
- A61K9/1605—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
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
- A01N25/28—Microcapsules or nanocapsules
-
- 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)
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Zoology (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Wood Science & Technology (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Medicinal Preparation (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPI222087 | 1987-05-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE3879545T1 DE3879545T1 (de) | 1993-04-29 |
DE3879545D1 true DE3879545D1 (de) | 1993-04-29 |
DE3879545T2 DE3879545T2 (de) | 1993-09-30 |
Family
ID=3772209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88304699A Expired - Fee Related DE3879545T2 (de) | 1987-05-29 | 1988-05-24 | Polymer-Teilchen. |
Country Status (11)
Country | Link |
---|---|
US (1) | US5023081A (de) |
EP (1) | EP0293172B1 (de) |
JP (1) | JPH02501047A (de) |
AT (1) | ATE87200T1 (de) |
DE (1) | DE3879545T2 (de) |
MW (1) | MW1288A1 (de) |
NZ (1) | NZ224549A (de) |
WO (1) | WO1988009121A1 (de) |
ZA (1) | ZA883494B (de) |
ZM (1) | ZM2788A1 (de) |
ZW (1) | ZW6588A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5169889A (en) * | 1992-01-27 | 1992-12-08 | National Starch And Chemical Investment Holding Corporation | Poly hydroxybutyrate/hydroxyvalerate based hot melt adhesive |
US5476662A (en) * | 1992-11-13 | 1995-12-19 | Isp Investments Inc. | Pesticide or herbicide polymer complexes for forming aqueous dispersions |
EP0723572B1 (de) | 1993-10-15 | 1999-12-08 | H.B. Fuller Licensing & Financing, Inc. | Biologisch abbaubare bzw. kompostierbare hot melt-klebstoffe, enthaltend polyester auf basis von milchsäure |
US7041320B1 (en) * | 2002-05-31 | 2006-05-09 | Biotek, Inc. | High drug loaded injectable microparticle compositions and methods of treating opioid drug dependence |
GB2470378A (en) * | 2009-05-20 | 2010-11-24 | Univ Westminster | A controlled release composition for intraocular delivery of a therapeutic agent |
CL2011002901A1 (es) * | 2011-11-18 | 2012-07-06 | Univ Santiago Chile | Composicion veterinaria inyectable de liberacion prolongada y dosis unica que comprende microparticulas de polihidroxibutirato co-3-hidroxivalerato (phbv), un agente antimicrobiano seleccionado de ceftiofur o florfenicol y agua para inyeccion; procedimiento de preparacion; util para tratar infecciones en animales. |
CN114366723B (zh) * | 2021-12-06 | 2023-07-07 | 珠海麦得发生物科技股份有限公司 | 一种含盐酸吡柔比星的微球及其制备方法和应用 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419340A (en) * | 1969-03-24 | 1983-12-06 | University Of Delaware | Controlled release of anticancer agents from biodegradable polymers |
US4328204A (en) * | 1977-03-02 | 1982-05-04 | Ethicon, Inc. | Absorbable polymer-drug compounds and method for making same |
US4181983A (en) * | 1977-08-29 | 1980-01-08 | Kulkarni R K | Assimilable hydrophilic prosthesis |
US4148871A (en) * | 1977-10-11 | 1979-04-10 | Pitt Colin G | Sustained subdermal delivery ofdrugs using poly(ε-caprolactone) and its copolymers |
DE2843963A1 (de) * | 1978-10-09 | 1980-04-24 | Merck Patent Gmbh | Im koerper resorbierbare geformte masse auf basis von kollagen und ihre verwendung in der medizin |
US4675189A (en) * | 1980-11-18 | 1987-06-23 | Syntex (U.S.A.) Inc. | Microencapsulation of water soluble active polypeptides |
AT382076B (de) * | 1982-10-15 | 1987-01-12 | Chemie Linz Ag | Verfahren zur herstellung von presslingen mit retardierter wirkstofffreisetzung |
DE3428372A1 (de) * | 1984-08-01 | 1986-02-13 | Hoechst Ag, 6230 Frankfurt | Mikrokapseln von regulatorischen peptiden mit kontrollierter freisetzung, verfahren zu ihrer herstellung und injektionszubereitungen |
EP0288908B1 (de) * | 1987-04-28 | 1992-10-21 | Mitsubishi Gas Chemical Company, Inc. | Verfahren zur Herstellung eines D-(-)-3-Hydroxybutyrat- und D-(-)-3-Hydroxyvalerat-Einheiten enthaltenden Zufallscopolymers |
-
1988
- 1988-05-09 NZ NZ224549A patent/NZ224549A/en unknown
- 1988-05-16 ZW ZW65/88A patent/ZW6588A1/xx unknown
- 1988-05-17 ZA ZA883494A patent/ZA883494B/xx unknown
- 1988-05-18 MW MW12/88A patent/MW1288A1/xx unknown
- 1988-05-23 ZM ZM27/88A patent/ZM2788A1/xx unknown
- 1988-05-24 WO PCT/AU1988/000157 patent/WO1988009121A1/en unknown
- 1988-05-24 AT AT88304699T patent/ATE87200T1/de not_active IP Right Cessation
- 1988-05-24 DE DE88304699A patent/DE3879545T2/de not_active Expired - Fee Related
- 1988-05-24 EP EP88304699A patent/EP0293172B1/de not_active Expired - Lifetime
- 1988-05-24 JP JP63504263A patent/JPH02501047A/ja active Pending
-
1989
- 1989-01-29 US US07/328,156 patent/US5023081A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3879545T1 (de) | 1993-04-29 |
EP0293172B1 (de) | 1993-03-24 |
ATE87200T1 (de) | 1993-04-15 |
WO1988009121A1 (en) | 1988-12-01 |
ZW6588A1 (en) | 1990-05-02 |
ZA883494B (en) | 1988-11-29 |
EP0293172A2 (de) | 1988-11-30 |
NZ224549A (en) | 1990-04-26 |
US5023081A (en) | 1991-06-11 |
EP0293172A3 (en) | 1989-10-11 |
DE3879545T2 (de) | 1993-09-30 |
ZM2788A1 (en) | 1989-03-27 |
JPH02501047A (ja) | 1990-04-12 |
MW1288A1 (en) | 1989-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2046830A1 (en) | Drug delivery system involving inter-action between protein or polypeptide and hydrophobic biodegradable polymer | |
ATE66809T1 (de) | Vorrichtung zur arzneistoffabgabe und verfahren zu ihrer herstellung. | |
FR2542998B1 (fr) | Nouvelle forme transdermale du dinitrate d'isosorbide | |
AU582309B2 (en) | Controlled release device for an active substance | |
KR900007397A (ko) | 서방성 제제 | |
DE68904459T2 (de) | Antacidzusammensetzungen mit laengerer verweilzeit im magen. | |
NO892229L (no) | Fremgangsmaate for fremstilling av en fast, oral doseringsform med regulert frigivelse av medikament. | |
SE8505099D0 (sv) | Pulver med reglerad frigoring samt sett for framstellning derav | |
DK0841903T3 (da) | Orale farmaceutiske præparater indeholdende antimikrobielt virksomme aktivstoffer og sustained release pantoprazol | |
DE3879545T2 (de) | Polymer-Teilchen. | |
ATE86489T1 (de) | Hilfsmittelfreie riboflavingranulate. | |
AU6886987A (en) | Veterinary compositions incorporating a water swellable polymer | |
NO922282D0 (no) | Formulering for vedvarende frigivelse av acetazolamid, samt fremgangsmaate for fremstilling av formuleringen | |
AU7643187A (en) | Medicaments with delayed release of active ingredient |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |