IL81904A - Purification of glycolide - Google Patents

Purification of glycolide

Info

Publication number
IL81904A
IL81904A IL81904A IL8190487A IL81904A IL 81904 A IL81904 A IL 81904A IL 81904 A IL81904 A IL 81904A IL 8190487 A IL8190487 A IL 8190487A IL 81904 A IL81904 A IL 81904A
Authority
IL
Israel
Prior art keywords
glycolide
alumina
purified
purification
remove
Prior art date
Application number
IL81904A
Other languages
English (en)
Other versions
IL81904A0 (en
Original Assignee
Pfizer Hospital Prod
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 Pfizer Hospital Prod filed Critical Pfizer Hospital Prod
Publication of IL81904A0 publication Critical patent/IL81904A0/xx
Publication of IL81904A publication Critical patent/IL81904A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00Post-polymerisation treatments
    • C08F6/14Treatment of polymer emulsions
    • C08F6/16Purification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08Lactones or lactides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D319/00Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/101,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/121,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Physical Water Treatments (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Saccharide Compounds (AREA)
  • Artificial Filaments (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Epoxy Compounds (AREA)
  • Steroid Compounds (AREA)
  • Paper (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Control Of El Displays (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Carbon And Carbon Compounds (AREA)
IL81904A 1986-03-19 1987-03-16 Purification of glycolide IL81904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/841,489 US4650851A (en) 1986-03-19 1986-03-19 Purification of glycolide

Publications (2)

Publication Number Publication Date
IL81904A0 IL81904A0 (en) 1987-10-20
IL81904A true IL81904A (en) 1991-07-18

Family

ID=25285006

Family Applications (1)

Application Number Title Priority Date Filing Date
IL81904A IL81904A (en) 1986-03-19 1987-03-16 Purification of glycolide

Country Status (17)

Country Link
US (1) US4650851A (fr)
EP (1) EP0238273B1 (fr)
JP (2) JPS62270574A (fr)
KR (1) KR910005054B1 (fr)
AT (1) ATE52257T1 (fr)
AU (1) AU582680B2 (fr)
CA (1) CA1258466A (fr)
DE (1) DE3762417D1 (fr)
DK (1) DK138187A (fr)
ES (1) ES2014472B3 (fr)
FI (1) FI85374C (fr)
GR (1) GR3000606T3 (fr)
IL (1) IL81904A (fr)
MX (1) MX165808B (fr)
NO (1) NO871121L (fr)
PT (1) PT84494B (fr)
ZA (1) ZA872019B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264926B1 (fr) * 1986-10-24 1992-04-08 Boehringer Ingelheim Kg Procédé de préparation et de purification de composés thermolabiles
DE3781133T2 (de) * 1986-12-19 1993-06-24 Akzo Nv Herstellung von polymilchsaeure und copolymeren daraus.
GB2198722B (en) * 1986-12-22 1991-04-17 Comalco Alu Process for the recovery of fluoride values
US5223630A (en) * 1989-10-10 1993-06-29 E. I. Du Pont De Nemours And Company Glycolide purification process
US5171270A (en) * 1990-03-29 1992-12-15 Herrick Robert S Canalicular implant having a collapsible flared section and method
US5163959A (en) * 1990-03-29 1992-11-17 Herrick Robert S Method for treating an eye with a canalicular implant having a collapsible flared section
WO1992015573A1 (fr) * 1991-03-11 1992-09-17 Henkel Corporation Procede de depolymerisation regulee de matiere d'alimentation afin de produire un produit d'une masse moleculaire inferieure
JP2603769B2 (ja) * 1991-05-22 1997-04-23 株式会社 ワコール 人体の体表面に圧接して着用されるテーピング機能を有する下腿部用サポーター
US5686630A (en) * 1993-09-29 1997-11-11 Chronopol, Inc. Purifying cyclic esters by aqueous solvent extraction
US5675021A (en) * 1992-03-19 1997-10-07 Chronopol, Inc. Method to produce and purify cyclic esters
US5420304A (en) * 1992-03-19 1995-05-30 Biopak Technology, Ltd. Method to produce cyclic esters
ATE149161T1 (de) * 1992-09-16 1997-03-15 Basf Ag Verfahren zur herstellung von glykolid und lactid
US5412067A (en) * 1993-05-10 1995-05-02 Mitsui Toatsu Chemicals, Inc. Preparation process of polyester
US6150497A (en) * 1998-01-14 2000-11-21 Sherwood Services Ag Method for the production of polyglycolic acid
US7404825B2 (en) * 2001-06-11 2008-07-29 Herrick Ii Robert S Implant capable of forming a differential image in an eye
CN100999516B (zh) * 2006-01-12 2010-11-10 中南大学 乙交酯的提纯方法
FI128487B (en) 2013-05-06 2020-06-15 Teknologian Tutkimuskeskus Vtt Oy Glycolic acid polymers and process for their preparation
US10227446B2 (en) 2014-11-06 2019-03-12 Teknologian Tutkimuskeskus Vtt Oy Method of producing glycolic acid polymers
CN106928180B (zh) * 2015-12-31 2020-01-03 上海浦景化工技术股份有限公司 一种从粗乙交酯中连续精制乙交酯的装置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3297033A (en) * 1963-10-31 1967-01-10 American Cyanamid Co Surgical sutures
US3463158A (en) * 1963-10-31 1969-08-26 American Cyanamid Co Polyglycolic acid prosthetic devices
US3442871A (en) * 1966-05-04 1969-05-06 American Cyanamid Co Process for polymerizing a glycolide
US3457280A (en) * 1967-06-12 1969-07-22 American Cyanamid Co Alpha-glycolide and methods for the isolation thereof
US3435008A (en) * 1967-08-22 1969-03-25 American Cyanamid Co Method for preparation of isomerically pure beta-glycolide and polymerization method for glycolide compositions employing partial hydrolyzate of said beta-glycolide
US3597449A (en) * 1967-11-16 1971-08-03 American Cyanamid Co Stable glycolide and lactide composition
US3763190A (en) * 1972-04-19 1973-10-02 Stanford Research Inst Preparation of pure glycolide
US4387264A (en) * 1981-05-04 1983-06-07 Atlantic Richfield Company Diolefin monomer purification process for anionic polymerization

Also Published As

Publication number Publication date
FI871182L (fi) 1987-09-20
NO871121D0 (no) 1987-03-18
US4650851A (en) 1987-03-17
IL81904A0 (en) 1987-10-20
FI871182A0 (fi) 1987-03-18
PT84494B (pt) 1989-11-10
KR870008918A (ko) 1987-10-22
DK138187A (da) 1987-09-20
KR910005054B1 (ko) 1991-07-22
DK138187D0 (da) 1987-03-18
MX165808B (es) 1992-12-07
NO871121L (no) 1987-09-21
JPH0515712B2 (fr) 1993-03-02
FI85374B (fi) 1991-12-31
PT84494A (en) 1987-04-01
JPH06136103A (ja) 1994-05-17
ZA872019B (en) 1988-10-26
CA1258466A (fr) 1989-08-15
DE3762417D1 (de) 1990-05-31
EP0238273A2 (fr) 1987-09-23
JPH0678426B2 (ja) 1994-10-05
EP0238273B1 (fr) 1990-04-25
ES2014472B3 (es) 1990-07-16
ATE52257T1 (de) 1990-05-15
AU582680B2 (en) 1989-04-06
EP0238273A3 (en) 1988-10-26
AU7014987A (en) 1987-09-24
GR3000606T3 (en) 1991-09-27
FI85374C (fi) 1992-04-10
JPS62270574A (ja) 1987-11-24

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