DD153125A5 - Copolymer aus milchsaeureeinheiten und glykolsaeureeinheiten und verfahren zu seiner herstellung - Google Patents

Copolymer aus milchsaeureeinheiten und glykolsaeureeinheiten und verfahren zu seiner herstellung Download PDF

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Publication number
DD153125A5
DD153125A5 DD80223870A DD22387080A DD153125A5 DD 153125 A5 DD153125 A5 DD 153125A5 DD 80223870 A DD80223870 A DD 80223870A DD 22387080 A DD22387080 A DD 22387080A DD 153125 A5 DD153125 A5 DD 153125A5
Authority
DD
German Democratic Republic
Prior art keywords
copolymer
weight
lactic acid
glycolic acid
acid
Prior art date
Application number
DD80223870A
Other languages
German (de)
English (en)
Inventor
Robert S Nevin
Original Assignee
Lilly Co Eli
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
Application filed by Lilly Co Eli filed Critical Lilly Co Eli
Publication of DD153125A5 publication Critical patent/DD153125A5/de

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
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Medicinal Preparation (AREA)
  • Biological Depolymerization Polymers (AREA)
DD80223870A 1979-09-12 1980-09-12 Copolymer aus milchsaeureeinheiten und glykolsaeureeinheiten und verfahren zu seiner herstellung DD153125A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/075,296 US4273920A (en) 1979-09-12 1979-09-12 Polymerization process and product

Publications (1)

Publication Number Publication Date
DD153125A5 true DD153125A5 (de) 1981-12-23

Family

ID=22124778

Family Applications (1)

Application Number Title Priority Date Filing Date
DD80223870A DD153125A5 (de) 1979-09-12 1980-09-12 Copolymer aus milchsaeureeinheiten und glykolsaeureeinheiten und verfahren zu seiner herstellung

Country Status (31)

Country Link
US (1) US4273920A (cs)
EP (1) EP0026599B1 (cs)
JP (2) JPS5645920A (cs)
AR (1) AR221173A1 (cs)
AT (1) AT380689B (cs)
AU (1) AU539130B2 (cs)
BE (1) BE885182A (cs)
BG (1) BG41132A3 (cs)
CA (1) CA1185048A (cs)
CH (1) CH648048A5 (cs)
CS (1) CS221979B2 (cs)
DD (1) DD153125A5 (cs)
DE (1) DE3068116D1 (cs)
DK (1) DK155093C (cs)
EG (1) EG14381A (cs)
ES (1) ES494974A0 (cs)
FI (1) FI66412C (cs)
FR (1) FR2464973A1 (cs)
GB (1) GB2058808B (cs)
GR (1) GR69961B (cs)
GT (1) GT198065361A (cs)
HU (1) HU191807B (cs)
IE (1) IE50236B1 (cs)
IL (1) IL61024A (cs)
IT (1) IT1141040B (cs)
NZ (1) NZ194902A (cs)
PH (1) PH15272A (cs)
PL (1) PL129779B1 (cs)
PT (1) PT71794B (cs)
RO (1) RO80864A (cs)
ZA (1) ZA805629B (cs)

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* Cited by examiner, † Cited by third party
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US6005068A (en) 1992-10-02 1999-12-21 Cargill Incorporated Melt-stable amorphous lactide polymer film and process for manufacture thereof
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US5444143A (en) * 1992-12-25 1995-08-22 Mitsui Toatsu Chemicals, Inc. Preparation process of polyhydroxycarboxylic acid
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US8513379B2 (en) * 2004-04-28 2013-08-20 Keio University Depolymerization method for polymer containing ester bond in main chain and method for producing polymer containing ester bond in main chain from depolymerization product
KR101522035B1 (ko) * 2006-12-18 2015-05-20 다케다 야쿠힌 고교 가부시키가이샤 서방성 조성물 및 이의 제조 방법
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CN103300120B (zh) * 2013-06-25 2015-04-22 南京工业大学 一种绿色家禽家畜脱毛剂及其制备方法
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US2703316A (en) * 1951-06-05 1955-03-01 Du Pont Polymers of high melting lactide
US2758987A (en) * 1952-06-05 1956-08-14 Du Pont Optically active homopolymers containing but one antipodal species of an alpha-monohydroxy monocarboxylic acid
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BE758156R (fr) * 1970-05-13 1971-04-28 Ethicon Inc Element de suture absorbable et sa
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Also Published As

Publication number Publication date
RO80864A (ro) 1983-02-01
DK155093C (da) 1989-06-19
GT198065361A (es) 1982-03-04
IT1141040B (it) 1986-10-01
JPS5645920A (en) 1981-04-25
EP0026599A1 (en) 1981-04-08
PT71794B (en) 1981-07-07
FI802840A (fi) 1981-03-13
IT8024607A0 (it) 1980-09-11
IL61024A (en) 1983-02-23
DK155093B (da) 1989-02-06
PL226653A1 (cs) 1981-10-16
HU191807B (en) 1987-04-28
IE801902L (en) 1981-03-12
PT71794A (en) 1980-10-01
FI66412B (fi) 1984-06-29
AT380689B (de) 1986-06-25
BG41132A3 (en) 1987-04-15
DE3068116D1 (en) 1984-07-12
CA1185048A (en) 1985-04-02
GR69961B (cs) 1982-07-22
DK387380A (da) 1981-03-13
FR2464973B1 (cs) 1983-06-10
CS221979B2 (en) 1983-04-29
JPH0445525B2 (cs) 1992-07-27
AU6216680A (en) 1981-03-19
EG14381A (en) 1983-12-31
EP0026599B1 (en) 1984-06-06
ATA455380A (de) 1985-11-15
GB2058808B (en) 1983-11-16
AR221173A1 (es) 1980-12-30
BE885182A (fr) 1981-03-11
NZ194902A (en) 1983-05-31
AU539130B2 (en) 1984-09-13
PH15272A (en) 1982-11-02
PL129779B1 (en) 1984-06-30
ES8106542A1 (es) 1981-08-16
JPH0121166B2 (cs) 1989-04-20
ES494974A0 (es) 1981-08-16
CH648048A5 (fr) 1985-02-28
GB2058808A (en) 1981-04-15
IE50236B1 (en) 1986-03-05
IL61024A0 (en) 1980-11-30
US4273920A (en) 1981-06-16
FI66412C (fi) 1984-10-10
FR2464973A1 (fr) 1981-03-20
JPH0198617A (ja) 1989-04-17
ZA805629B (en) 1982-04-28

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