ES354952A1 - Procedimiento para preparar alfa-glicolida quimica e isome-ramente pura. - Google Patents

Procedimiento para preparar alfa-glicolida quimica e isome-ramente pura.

Info

Publication number
ES354952A1
ES354952A1 ES354952A ES354952A ES354952A1 ES 354952 A1 ES354952 A1 ES 354952A1 ES 354952 A ES354952 A ES 354952A ES 354952 A ES354952 A ES 354952A ES 354952 A1 ES354952 A1 ES 354952A1
Authority
ES
Spain
Prior art keywords
glycolide
alpha
isolation
methods
composition
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES354952A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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.)
Filing date
Publication date
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of ES354952A1 publication Critical patent/ES354952A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Saccharide Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
ES354952A 1967-06-12 1968-06-12 Procedimiento para preparar alfa-glicolida quimica e isome-ramente pura. Expired ES354952A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64550267A 1967-06-12 1967-06-12

Publications (1)

Publication Number Publication Date
ES354952A1 true ES354952A1 (es) 1970-03-01

Family

ID=24589277

Family Applications (1)

Application Number Title Priority Date Filing Date
ES354952A Expired ES354952A1 (es) 1967-06-12 1968-06-12 Procedimiento para preparar alfa-glicolida quimica e isome-ramente pura.

Country Status (8)

Country Link
US (1) US3457280A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE714117A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH543501A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1668993C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES354952A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1560162A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL159382B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (2) SE378597B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912692A (en) * 1973-05-03 1975-10-14 American Cyanamid Co Process for polymerizing a substantially pure glycolide composition
US4716964A (en) * 1981-08-10 1988-01-05 Exxon Production Research Company Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion
US4727163A (en) * 1985-07-11 1988-02-23 E. I. Du Pont De Nemours And Company Process for preparing highly pure cyclic esters
US4650851A (en) * 1986-03-19 1987-03-17 Pfizer Hospital Products Group, Inc. Purification of glycolide
EP0275581B1 (en) * 1986-12-19 1992-08-12 Akzo N.V. Preparation of polylactic acid and copolymers thereof
US4835293A (en) * 1987-02-24 1989-05-30 E. I. Du Pont De Nemours And Company Atmospheric pressure process for preparing pure cyclic esters
US5274127A (en) * 1990-09-18 1993-12-28 Biopak Technology, Ltd. Lactide production from dehydration of aqueous lactic acid feed
US5319107A (en) * 1990-09-18 1994-06-07 Biopak Technology, Ltd. Method to produce cyclic esters
US5223630A (en) * 1989-10-10 1993-06-29 E. I. Du Pont De Nemours And Company Glycolide purification process
US5043458A (en) * 1990-05-03 1991-08-27 E. I. Du Pont De Nemours And Company One-step continuous process for preparing cyclic esters
US5332839A (en) * 1990-09-18 1994-07-26 Biopak Technology, Ltd. Catalytic production of lactide directly from lactic acid
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
US5675021A (en) * 1992-03-19 1997-10-07 Chronopol, Inc. Method to produce and purify cyclic esters
US6074673A (en) * 1996-04-22 2000-06-13 Guillen; Manuel Slow-release, self-absorbing, drug delivery system
WO2007011708A2 (en) 2005-07-15 2007-01-25 Micell Technologies, Inc. Stent with polymer coating containing amorphous rapamycin
KR101406415B1 (ko) 2005-07-15 2014-06-19 미셀 테크놀로지즈, 인코포레이티드 제어된 형태의 약물 분말을 함유하는 중합체 코팅
US8852625B2 (en) 2006-04-26 2014-10-07 Micell Technologies, Inc. Coatings containing multiple drugs
US9539593B2 (en) 2006-10-23 2017-01-10 Micell Technologies, Inc. Holder for electrically charging a substrate during coating
US11426494B2 (en) 2007-01-08 2022-08-30 MT Acquisition Holdings LLC Stents having biodegradable layers
CN101711137B (zh) 2007-01-08 2014-10-22 米歇尔技术公司 具有可生物降解层的支架
WO2008148013A1 (en) 2007-05-25 2008-12-04 Micell Technologies, Inc. Polymer films for medical device coating
CA2721832C (en) 2008-04-17 2018-08-07 Micell Technologies, Inc. Stents having bioabsorbable layers
US9510856B2 (en) 2008-07-17 2016-12-06 Micell Technologies, Inc. Drug delivery medical device
CA2946195A1 (en) 2008-07-17 2010-01-21 Micell Technologies, Inc. Drug delivery medical device
US8834913B2 (en) 2008-12-26 2014-09-16 Battelle Memorial Institute Medical implants and methods of making medical implants
WO2010120552A2 (en) 2009-04-01 2010-10-21 Micell Technologies, Inc. Coated stents
EP2419058B1 (en) 2009-04-17 2018-02-28 Micell Technologies, Inc. Stents having controlled elution
WO2011097103A1 (en) 2010-02-02 2011-08-11 Micell Technologies, Inc. Stent and stent delivery system with improved deliverability
US8795762B2 (en) 2010-03-26 2014-08-05 Battelle Memorial Institute System and method for enhanced electrostatic deposition and surface coatings
US10232092B2 (en) 2010-04-22 2019-03-19 Micell Technologies, Inc. Stents and other devices having extracellular matrix coating
CA2805631C (en) 2010-07-16 2018-07-31 Micell Technologies, Inc. Drug delivery medical device
WO2012166819A1 (en) 2011-05-31 2012-12-06 Micell Technologies, Inc. System and process for formation of a time-released, drug-eluting transferable coating
CA2841360A1 (en) 2011-07-15 2013-01-24 Micell Technologies, Inc. Drug delivery medical device
US10188772B2 (en) 2011-10-18 2019-01-29 Micell Technologies, Inc. Drug delivery medical device
EP2967803B1 (en) 2013-03-12 2023-12-27 Micell Technologies, Inc. Bioabsorbable biomedical implants
CA2912387C (en) 2013-05-15 2019-04-16 Micell Technologies, Inc. Bioabsorbable biomedical implants
CN110684011B (zh) * 2018-07-06 2021-02-09 中国石油化工股份有限公司 乙交酯的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668162A (en) * 1952-03-20 1954-02-02 Du Pont Preparation of high molecular weight polyhydroxyacetic ester

Also Published As

Publication number Publication date
SE378597B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-09-08
NL159382B (nl) 1979-02-15
NL6806492A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-12-13
DE1668993A1 (de) 1972-03-23
FR1560162A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-03-14
SE356047B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-05-14
US3457280A (en) 1969-07-22
BE714117A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-10-24
CH543501A (de) 1973-12-14
DE1668993B2 (de) 1973-07-12
DE1668993C3 (de) 1974-02-07

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