C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
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.
Calton Gary J.
Wood Louis L.
Calwood Chemical Industries Inc.
Finlayson & Singlehurst
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