PROCESS FOR PRODUCING POLYASPARTIC ACID AND/OR POLYASPARTIC ACID IMIDES
A process for the production of polyaspartic acid and/or polyaspartic acid imides from (a) maleic acid anhydride, maleic acid, fumaric acid and/or malic acid and (b) ammonia and/or primary or secondary amines in the molar ratio (a):(B) of 1:0.1 to 1:3, possibly in the presence of cocondensable compo...
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creator | FEINDT, HANS-JACOB KRONER, MATTHIAS SCHORNICK, GUNNAR SCHWEINZER, JUERGEN |
description | A process for the production of polyaspartic acid and/or polyaspartic acid imides from (a) maleic acid anhydride, maleic acid, fumaric acid and/or malic acid and (b) ammonia and/or primary or secondary amines in the molar ratio (a):(B) of 1:0.1 to 1:3, possibly in the presence of cocondensable compounds, in which the components (a) and (b) are brought into mutual contact at temperatures of over 100 DEG C, thermally condensed and the polycondensates possibly hydrolised thereafter. |
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KRONER, MATTHIAS ; SCHORNICK, GUNNAR ; SCHWEINZER, JUERGEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0767807A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1997</creationdate><topic>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</topic><topic>CANDLES</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>DETERGENT COMPOSITIONS</topic><topic>DETERGENTS</topic><topic>FATTY ACIDS THEREFROM</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>RECOVERY OF GLYCEROL</topic><topic>RESIN SOAPS</topic><topic>SOAP OR SOAP-MAKING</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>USE OF SINGLE SUBSTANCES AS DETERGENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>FEINDT, HANS-JACOB</creatorcontrib><creatorcontrib>KRONER, MATTHIAS</creatorcontrib><creatorcontrib>SCHORNICK, GUNNAR</creatorcontrib><creatorcontrib>SCHWEINZER, JUERGEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FEINDT, HANS-JACOB</au><au>KRONER, MATTHIAS</au><au>SCHORNICK, GUNNAR</au><au>SCHWEINZER, JUERGEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR PRODUCING POLYASPARTIC ACID AND/OR POLYASPARTIC ACID IMIDES</title><date>1997-04-16</date><risdate>1997</risdate><abstract>A process for the production of polyaspartic acid and/or polyaspartic acid imides from (a) maleic acid anhydride, maleic acid, fumaric acid and/or malic acid and (b) ammonia and/or primary or secondary amines in the molar ratio (a):(B) of 1:0.1 to 1:3, possibly in the presence of cocondensable compounds, in which the components (a) and (b) are brought into mutual contact at temperatures of over 100 DEG C, thermally condensed and the polycondensates possibly hydrolised thereafter.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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language | eng ; fre ; ger |
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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 USE OF SINGLE SUBSTANCES AS DETERGENTS |
title | PROCESS FOR PRODUCING POLYASPARTIC ACID AND/OR POLYASPARTIC ACID IMIDES |
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