Poly-gamma-glutamic acid esters and shaped body thereof

Disclosed is a poly- gamma -glutamic acid ester comprising recurring units represented by the following formula (A): wherein R represents an ester-forming group, and recurring units represented by the following formula (B): wherein the former units (A) occupy at least 40% and the polymerization degr...

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Bibliographic Details
Main Authors FUKUDA, YOSHIMASA, ENDO, TAKESHI, 54-13, MIYAGATANI, TAKEBE, HIDEHI, KUBOTA, HIDETOSHI
Format Patent
LanguageEnglish
French
German
Published 11.09.1991
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
BEER
BIOCHEMISTRY
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
CHEMISTRY
COMPOSITIONS BASED THEREON
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
GENERAL PROCESSES OF COMPOUNDING
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
NATURAL OR ARTIFICIAL THREADS OR FIBRES
ORGANIC MACROMOLECULAR COMPOUNDS
PROCESSES USING MICROORGANISMS
SPINNING
SPIRITS
TEXTILES
THEIR PREPARATION OR CHEMICAL WORKING-UP
VINEGAR
WINE
WORKING-UP
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Summary:Disclosed is a poly- gamma -glutamic acid ester comprising recurring units represented by the following formula (A): wherein R represents an ester-forming group, and recurring units represented by the following formula (B): wherein the former units (A) occupy at least 40% and the polymerization degree, that is, the total number of both the units (A) and (B), is at least 1000.
Bibliography:Application Number: EP19910301003