Amino acid copolymers of maleic acid

Details Amino acid copolymers of maleic acid Amino acid copolymers of maleic acid

1995-01-18

1996-03-05

Dodson, Shelley A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

210696, 210697, 210698, 210699, 210700, 210701, 252180, 252181, 525421, 525422, 525435, 528220, 528229, 528332, 528335, 528345, 528363, 528367, C08G 6910, C02F 512

Patent

active

054969140

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

REFERENCES:
patent: 5286810 (1994-02-01), Wood
patent: 5306429 (1994-04-01), Wood et al.

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