SG108191G - Copolymer and method for producing the same - Google Patents

Copolymer and method for producing the same

Info

Publication number
SG108191G
SG108191G SG1081/91A SG108191A SG108191G SG 108191 G SG108191 G SG 108191G SG 1081/91 A SG1081/91 A SG 1081/91A SG 108191 A SG108191 A SG 108191A SG 108191 G SG108191 G SG 108191G
Authority
SG
Singapore
Prior art keywords
copolymer
producing
same
weight
dispersity
Prior art date
Application number
SG1081/91A
Other languages
English (en)
Original Assignee
Wako Pure Chem Ind Ltd
Takeda Chemical Industries Ltd
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15266918&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG108191(G) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP59140356A external-priority patent/JPH0678425B2/ja
Application filed by Wako Pure Chem Ind Ltd, Takeda Chemical Industries Ltd filed Critical Wako Pure Chem Ind Ltd
Publication of SG108191G publication Critical patent/SG108191G/en

Links

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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • 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)

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Materials For Medical Uses (AREA)
  • Medicinal Preparation (AREA)
SG1081/91A 1984-07-06 1991-12-24 Copolymer and method for producing the same SG108191G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59140356A JPH0678425B2 (ja) 1984-07-06 1984-07-06 重合体の新規製造法

Publications (1)

Publication Number Publication Date
SG108191G true SG108191G (en) 1992-06-12

Family

ID=15266918

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1081/91A SG108191G (en) 1984-07-06 1991-12-24 Copolymer and method for producing the same

Country Status (8)

Country Link
US (2) US4677191A (de)
EP (2) EP0172636B2 (de)
AT (2) ATE39935T1 (de)
BG (1) BG61520B2 (de)
CA (2) CA1256638A (de)
DE (2) DE3567470D1 (de)
HK (1) HK19592A (de)
SG (1) SG108191G (de)

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EP0171907B1 (de) 1989-01-11
EP0171907A1 (de) 1986-02-19
BG61520B2 (bg) 1997-10-31
ATE39935T1 (de) 1989-01-15
CA1236641A (en) 1988-05-10
DE3567471D1 (en) 1989-02-16
DE3567470D1 (en) 1989-02-16
ATE39936T1 (de) 1989-01-15
EP0172636B1 (de) 1989-01-11
US4677191A (en) 1987-06-30
EP0172636A1 (de) 1986-02-26
HK19592A (en) 1992-03-20
EP0171907B2 (de) 1994-08-10
EP0172636B2 (de) 1992-11-11
CA1256638A (en) 1989-06-27
US4683288A (en) 1987-07-28

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