Amino acid copolymers of maleic acid

C - Chemistry – Metallurgy – 08 – G

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C08G 69/10 (2006.01) A61K 8/88 (2006.01) A61Q 11/00 (2006.01) B01F 17/52 (2006.01) C02F 5/12 (2006.01) C08G 69/00 (2006.01) C08G 73/10 (2006.01)

Patent

CA 2173485

Polymers of maleic, fumaric of malic acids or maleic, fumaric or malic acid and ammonia with amino acids are prepared by heating at 180°-350°C, preferably 200°- 300°C. The polymer formed may be converted to a salt by hydrolysis with a metal hydroxide or ammonium hydroxide.

Polymères des acides maléique, fumarique ou malique ou d'acide maléique, fumarique ou malique et d'ammoniac contenant des acides aminés, qui sont préparés par chauffe à 180-350 ~C, de préférence à 200-300 ~C. Les polymères obtenus peuvent être convertis en un sel par hydrolyse avec un hydroxyde de métal ou un hydroxyde d'ammonium.

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