Production of polysuccinimide and polyaspartic acid from maleic

Details Production of polysuccinimide and polyaspartic acid from maleic Production of polysuccinimide and polyaspartic acid from maleic

1992-09-18

1994-03-22

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525418, 525420, C08G 6900

Patent

active

052965783

ABSTRACT:
Production of polysuccinimide by reacting maleic anhydride and ammonia at elevated temperatures. The base hydrolyzed polyaspartic acid product.

REFERENCES:
patent: 3846380 (1974-11-01), Fujimoto et al.
patent: 4839461 (1989-06-01), Boehmke
patent: 5057597 (1991-10-01), Koskan
patent: 5116513 (1992-05-01), Koskan et al.

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