ASPARTIC ACID COMPOSITION, POLYSUCCINIMIDE COMPOSITION, POLYASPARTIC ACID COMPOSITION, AND CROSS-LINKED POLYASPARTIC ACID COMPOSITION

An aspartic acid composition including aspartic acid and an impurity, wherein the impurity includes at least one type of impurity selected from the group consiting of amino acids other than aspartic acid, organic acids, and salts of these, and the impurity content is 0.02 mass% to 1.1 mass%. A polys...

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Bibliographische Detailangaben
Hauptverfasser:	ARAI Tatsuhiko, KONDO Akihiro, MIURA Satomi, OKA Yasutaka, NAKAYASHIKI Toru, SASAMOTO Akane
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	An aspartic acid composition including aspartic acid and an impurity, wherein the impurity includes at least one type of impurity selected from the group consiting of amino acids other than aspartic acid, organic acids, and salts of these, and the impurity content is 0.02 mass% to 1.1 mass%. A polysuccinimide production method that includes using said aspartic acid composition and subjecting said aspartic acid to a polymerization reaction. A polysuccinimide composition that is produced using said polysuccinimide production method.