BE533965A - - Google Patents

Info

Publication number
BE533965A
BE533965A BE533965DA BE533965A BE 533965 A BE533965 A BE 533965A BE 533965D A BE533965D A BE 533965DA BE 533965 A BE533965 A BE 533965A
Authority
BE
Belgium
Application number
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
Priority to GB746654A priority Critical patent/GB755447A/en
Application filed filed Critical
Publication of BE533965A publication Critical patent/BE533965A/xx

Links

Classifications

    • 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
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/823Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
    • 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
BE533965D 1954-03-15 1954-12-08 BE533965A (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB746654A GB755447A (en) 1954-03-15 1954-03-15 Process for the production of polyesters from six-membered cyclic esters

Publications (1)

Publication Number Publication Date
BE533965A true BE533965A (xx) 1958-06-20

Family

ID=9833631

Family Applications (1)

Application Number Title Priority Date Filing Date
BE533965D BE533965A (xx) 1954-03-15 1954-12-08

Country Status (5)

Country Link
BE (1) BE533965A (xx)
DE (1) DE975191C (xx)
FR (1) FR1115278A (xx)
GB (1) GB755447A (xx)
NL (1) NL96205C (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE556559A (xx) * 1956-04-13
IT570045A (xx) * 1956-04-13
BE556561A (xx) * 1956-04-13
IT570056A (xx) * 1956-04-13
DE1167024B (de) * 1956-10-05 1964-04-02 Pittsburgh Plate Glass Co Verfahren zur Herstellung von Polycarbonaten
US4071507A (en) * 1970-01-29 1978-01-31 Stamicarbon, N.V. Preparation of lactone polyesters
US3839297A (en) * 1971-11-22 1974-10-01 Ethicon Inc Use of stannous octoate catalyst in the manufacture of l(-)lactide-glycolide copolymer sutures
US5180765A (en) * 1988-08-08 1993-01-19 Biopak Technology, Ltd. Biodegradable packaging thermoplastics from lactides
US5444113A (en) * 1988-08-08 1995-08-22 Ecopol, Llc End use applications of biodegradable polymers
US5424346A (en) * 1988-08-08 1995-06-13 Ecopol, Llc Biodegradable replacement of crystal polystyrene

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1995291A (en) * 1929-11-12 1935-03-26 Du Pont Alkylene carbonate and process of making it
US2465319A (en) * 1941-07-29 1949-03-22 Du Pont Polymeric linear terephthalic esters
US2471023A (en) * 1945-12-11 1949-05-24 Ici Ltd Highly polymeric linear esters
US2534028A (en) * 1948-05-13 1950-12-12 Du Pont Production of polyethylene terephthalate

Also Published As

Publication number Publication date
FR1115278A (fr) 1956-04-23
GB755447A (en) 1956-08-22
NL96205C (xx) 1960-12-15
DE975191C (de) 1961-09-21

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