ATE114681T1 - Biologisch abbaubare polyurethane. - Google Patents

Biologisch abbaubare polyurethane.

Info

Publication number: ATE114681T1
Authority: AT; Austria
Prior art keywords: aza; imino; segments; oxygen; residue
Prior art date: 1989-03-17

Application number

AT90302867T

Other languages

English (en)

Inventor

Yoshiharu Kimura

Soonih C O Minase Research Kim

Shimamoto-Cho Sakurai

Akio C O Minase Resea Nishiura

Original Assignee

Ono Pharmaceutical Co

Priority date (The priority date 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 date listed.)

1989-03-17

Filing date

1990-03-16

Publication date

1994-12-15

1990-03-16 Application filed by Ono Pharmaceutical Co filed Critical Ono Pharmaceutical Co

1994-12-15 Application granted granted Critical

1994-12-15 Publication of ATE114681T1 publication Critical patent/ATE114681T1/de

Links

229920002635 polyurethane Polymers 0.000 title abstract 2
239000004814 polyurethane Substances 0.000 title abstract 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
125000001841 imino group Chemical group [H]N=* 0.000 abstract 2
229910052760 oxygen Inorganic materials 0.000 abstract 2
239000001301 oxygen Substances 0.000 abstract 2
239000004215 Carbon black (E152) Chemical class 0.000 abstract 1
125000002947 alkylene group Chemical group 0.000 abstract 1
239000011248 coating agent Substances 0.000 abstract 1
238000000576 coating method Methods 0.000 abstract 1
125000005442 diisocyanate group Chemical group 0.000 abstract 1
239000003814 drug Substances 0.000 abstract 1
125000003827 glycol group Chemical group 0.000 abstract 1
229930195733 hydrocarbon Chemical class 0.000 abstract 1
150000002430 hydrocarbons Chemical class 0.000 abstract 1
210000002429 large intestine Anatomy 0.000 abstract 1
229920001515 polyalkylene glycol Polymers 0.000 abstract 1
125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 abstract 1
125000001424 substituent group Chemical group 0.000 abstract 1
150000003512 tertiary amines Chemical class 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- 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
- A61K9/4891—Coated capsules; Multilayered drug free capsule shells
- 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
- A61K9/5078—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 with drug-free core
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- C08G18/3836—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing azo groups
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2230/00—Compositions for preparing biodegradable polymers

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Bioinformatics & Cheminformatics (AREA)
Medicinal Chemistry (AREA)
Animal Behavior & Ethology (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Pharmacology & Pharmacy (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Chemical Kinetics & Catalysis (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyurethanes Or Polyureas (AREA)
Medicinal Preparation (AREA)
Biological Depolymerization Polymers (AREA)

AT90302867T 1989-03-17 1990-03-16 Biologisch abbaubare polyurethane. ATE114681T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP6513689		1989-03-17

Publications (1)

Publication Number	Publication Date
ATE114681T1 true ATE114681T1 (de)	1994-12-15

Family

ID=13278168

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT90302867T ATE114681T1 (de)	1989-03-17	1990-03-16	Biologisch abbaubare polyurethane.

Country Status (8)

Country	Link
EP (1)	EP0398472B1 (de)
JP (1)	JP2855463B2 (de)
KR (1)	KR0158206B1 (de)
AT (1)	ATE114681T1 (de)
CA (1)	CA2012469C (de)
DE (1)	DE69014404T2 (de)
DK (1)	DK0398472T3 (de)
ES (1)	ES2072976T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5194463B1 (en) *	1991-09-27	1995-06-20	Eastman Kodak Co	Light-absorbing polyurethane compositions and thermoplastic polymers colored therewith
DE69229710T2 (de) *	1991-11-15	2000-03-02	Kanegafuchi Kagaku Kogyo K.K., Osaka	Esterbindung enthaltende Polymere für pharmazeutische Zubereitungen
US5886091A (en) *	1996-01-05	1999-03-23	Milliken & Company	Printing ink composition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3909497A (en) *	1974-04-12	1975-09-30	Stanford Research Inst	Solid polymers thermally degradable to flowable compositions
US4235988A (en) *	1976-12-13	1980-11-25	Imperial Chemical Industries Limited	Delivery means for biologically active agents
NZ193221A (en) *	1979-03-21	1984-08-24	M P Embrey	Controlled release composition
DE3242559A1 (de) *	1982-11-18	1984-05-24	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung von gegebenenfalls zelligen polyurethan-polyharnstoff-formkoerpern
US4663308A (en) *	1984-07-18	1987-05-05	Medical College Of Ohio	Method of use of polymers containing cross-linked azo bonds for releasing therapeutic agents into the lower gastrointestinal tract

1990
- 1990-03-16 DK DK90302867.8T patent/DK0398472T3/da active
- 1990-03-16 EP EP90302867A patent/EP0398472B1/de not_active Expired - Lifetime
- 1990-03-16 AT AT90302867T patent/ATE114681T1/de not_active IP Right Cessation
- 1990-03-16 DE DE69014404T patent/DE69014404T2/de not_active Expired - Fee Related
- 1990-03-16 JP JP2064028A patent/JP2855463B2/ja not_active Expired - Fee Related
- 1990-03-16 ES ES90302867T patent/ES2072976T3/es not_active Expired - Lifetime
- 1990-03-17 KR KR1019900003581A patent/KR0158206B1/ko not_active Expired - Fee Related
- 1990-03-19 CA CA002012469A patent/CA2012469C/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE69014404D1 (de)	1995-01-12
JPH037718A (ja)	1991-01-14
DK0398472T3 (da)	1995-01-16
KR900014451A (ko)	1990-10-24
EP0398472A2 (de)	1990-11-22
CA2012469A1 (en)	1990-09-17
EP0398472B1 (de)	1994-11-30
ES2072976T3 (es)	1995-08-01
KR0158206B1 (ko)	1999-02-18
JP2855463B2 (ja)	1999-02-10
DE69014404T2 (de)	1995-05-18
CA2012469C (en)	1998-05-12
EP0398472A3 (de)	1991-09-18

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Legal Events

Date	Code	Title	Description
1995-06-15	UEP	Publication of translation of european patent specification
2005-12-15	REN	Ceased due to non-payment of the annual fee