METHOD FOR PRODUCING CONDENSATION POLYMERS OF ASPARTIC ACID AND USE OF THE CONDENSATION POLYMERS

PCT No. PCT/EP95/03004 Sec. 371 Date Feb. 12, 1997 Sec. 102(e) Date Feb. 12, 1997 PCT Filed Jul. 28, 1995 PCT Pub. No. WO96/05242 PCT Pub. Date Feb. 22, 1996Process for preparing polycondensates of aspartic acid by polycondensation of aspartic acid at from 140 DEG to 300 DEG C. in the presence of su...

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Bibliographic Details
Main Authors KRONER, MATTHIAS, SCHORNICK, GUNNAR
Format Patent
LanguageEnglish
French
German
Published 01.04.1998
Edition6
Subjects
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES
CANDLES
CHEMISTRY
COMPOSITIONS BASED THEREON
DETERGENT COMPOSITIONS
DETERGENTS
FATTY ACIDS THEREFROM
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
RECOVERY OF GLYCEROL
RESIN SOAPS
SOAP OR SOAP-MAKING
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
USE OF SINGLE SUBSTANCES AS DETERGENTS
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Summary:PCT No. PCT/EP95/03004 Sec. 371 Date Feb. 12, 1997 Sec. 102(e) Date Feb. 12, 1997 PCT Filed Jul. 28, 1995 PCT Pub. No. WO96/05242 PCT Pub. Date Feb. 22, 1996Process for preparing polycondensates of aspartic acid by polycondensation of aspartic acid at from 140 DEG to 300 DEG C. in the presence of sulfuric acid which has been partially neutralized with ammonia and/or amines as catalyst, and use of the reaction mixtures obtainable in this way or of the reaction mixtures neutralized with alkali metal or alkaline earth metal bases as additive to phosphate-free or reduced phosphate detergents and cleaners.
Bibliography:Application Number: EP19950928484