DK138187A - Fremgangsmaade til rensning af glycolid - Google Patents

Fremgangsmaade til rensning af glycolid

Info

Publication number
DK138187A
DK138187A DK138187A DK138187A DK138187A DK 138187 A DK138187 A DK 138187A DK 138187 A DK138187 A DK 138187A DK 138187 A DK138187 A DK 138187A DK 138187 A DK138187 A DK 138187A
Authority
DK
Denmark
Prior art keywords
glycolide
alumina
purified
glycolid
cleaning
Prior art date
Application number
DK138187A
Other languages
Danish (da)
English (en)
Other versions
DK138187D0 (da
Inventor
David Rhum
Richard Samuel Matthews
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 DK138187D0 publication Critical patent/DK138187D0/da
Publication of DK138187A publication Critical patent/DK138187A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/14—Treatment of polymer emulsions
    • C08F6/16—Purification
    • 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
    • C08G63/08—Lactones or lactides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/12—1,4-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)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Physical Water Treatments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Control Of El Displays (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Paper (AREA)
  • Steroid Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Artificial Filaments (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Epoxy Compounds (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
DK138187A 1986-03-19 1987-03-18 Fremgangsmaade til rensning af glycolid DK138187A (da)

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
DK138187D0 DK138187D0 (da) 1987-03-18
DK138187A true DK138187A (da) 1987-09-20

Family

ID=25285006

Family Applications (1)

Application Number Title Priority Date Filing Date
DK138187A DK138187A (da) 1986-03-19 1987-03-18 Fremgangsmaade til rensning af glycolid

Country Status (17)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3778111D1 (de) * 1986-10-24 1992-05-14 Boehringer Ingelheim Kg Verfahren zur herstellung und reinigung thermolabiler verbindungen.
ATE79386T1 (de) * 1986-12-19 1992-08-15 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
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
US5171270A (en) * 1990-03-29 1992-12-15 Herrick Robert S Canalicular implant having a collapsible flared section and method
JP3072334B2 (ja) * 1991-03-11 2000-07-31 ヘンケル・コーポレーション 低分子量生成物を製造するための原料物質の解重合制御法
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
US5675021A (en) * 1992-03-19 1997-10-07 Chronopol, Inc. Method to produce and purify cyclic esters
US5686630A (en) * 1993-09-29 1997-11-11 Chronopol, Inc. Purifying cyclic esters by aqueous solvent extraction
US5420304A (en) * 1992-03-19 1995-05-30 Biopak Technology, Ltd. Method to produce cyclic esters
DE59305524D1 (de) * 1992-09-16 1997-04-03 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
EP3215550B1 (en) 2014-11-06 2024-10-16 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
US3463158A (en) * 1963-10-31 1969-08-26 American Cyanamid Co Polyglycolic acid prosthetic devices
US3297033A (en) * 1963-10-31 1967-01-10 American Cyanamid Co Surgical sutures
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
IL81904A (en) 1991-07-18
DK138187D0 (da) 1987-03-18
IL81904A0 (en) 1987-10-20
FI85374B (fi) 1991-12-31
JPH0515712B2 (pt) 1993-03-02
FI871182A (fi) 1987-09-20
EP0238273A2 (en) 1987-09-23
JPS62270574A (ja) 1987-11-24
EP0238273B1 (en) 1990-04-25
AU582680B2 (en) 1989-04-06
PT84494A (en) 1987-04-01
NO871121D0 (no) 1987-03-18
JPH0678426B2 (ja) 1994-10-05
FI85374C (fi) 1992-04-10
AU7014987A (en) 1987-09-24
US4650851A (en) 1987-03-17
DE3762417D1 (de) 1990-05-31
ATE52257T1 (de) 1990-05-15
ES2014472B3 (es) 1990-07-16
FI871182A0 (fi) 1987-03-18
JPH06136103A (ja) 1994-05-17
PT84494B (pt) 1989-11-10
KR870008918A (ko) 1987-10-22
ZA872019B (en) 1988-10-26
MX165808B (es) 1992-12-07
GR3000606T3 (en) 1991-09-27
KR910005054B1 (ko) 1991-07-22
CA1258466A (en) 1989-08-15
EP0238273A3 (en) 1988-10-26
NO871121L (no) 1987-09-21

Similar Documents

Publication Publication Date Title
DK138187A (da) Fremgangsmaade til rensning af glycolid
ATE79386T1 (de) Herstellung von polymilchsaeure und copolymeren daraus.
ATE106380T1 (de) Verfahren zur herstellung und rückgewinnung von oxydiphthalsäureanhydriden.
BG92627A (bg) Метод за пречистване на аминметиленфосфонови киселини
ATE118217T1 (de) Natrium-n-acetylneuraminat-trihydrat und verfahren zu dessen herstellung.
ES8705835A1 (es) Un procedimiento para la resolucion de un recemato por adsorcion estereoselectiva sobre un adsorbente solido.
DK640589A (da) Kemisk fremgangsmaade til fremstilling af antibiotikum l 17392 (deglucoteicoplanin) eller salte deraf
US3673206A (en) RACEMIZATION OF d({30 ) 6-PHENYL-2,3,5,6-TETRAHYDROIMIDAZO {8 2,1-b{9 Thiazole
NO891069D0 (no) Fremgangsmaate for rensing av uren alfa-l-aspartyl-l-fenylalaninmethylester (alfa-apm).
ATE35533T1 (de) Verfahren zur rueckgewinnung von reiner benzoesaeure.
NO930431L (no) Fremgangsmaate for fremstilling av polyglykolsyre
KR970026938A (ko) 산세폐액의 정제방법
ES2061918T3 (es) Procedimiento para la purificacion de 1,2-bis (nicotinamido) propano.
JPS6456891A (en) Method for purifying copper electrolytic solution
CU22158A3 (es) Procedimiento para la fabricacion de quimopapaina de alta pureza
JPS57192376A (en) Purification of 2-mercaptothiazolines
JPS57149244A (en) Purification of 4,4'-diphenyldicarboxylic acid
DE3877641D1 (de) Isolierung von neutralen aminosaeuren bei hohen ph-werten.
JPS6450855A (en) Purification of 4,4'-dihydroxydiphenylsulfone
RO100043B1 (ro) Procedeu de preparare si purificare a 2-nitro-5-feniltiometoxiacetanilidei
JPS55157600A (en) Purification of estrone
SU1443325A1 (ru) Способ очистки борной кислоты
JPS5640639A (en) Purification of terephthalic acid

Legal Events

Date Code Title Description
PBP Patent lapsed
AHB Application shelved due to non-payment