Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1993-12-17
1996-08-06
Dodson, Shelley A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528361, 528363, 528367, 525419, 525420, 525421, 525539, C08G 6900
Patent
active
055434908
ABSTRACT:
Polyaspartic acid is prepared by reacting maleic anhydride and ammonia to give maleamic acid, polymerizing the maleamic acid and subsequently hydrolyzing the product to give polyaspartic acid or a salt thereof.
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Groth Torsten
Joentgen Winfried
Kugler Martin
Linden Hans W.
Muller Nikolaus
Bayer AG
Dodson Shelley A.
Hampton-Hightower P.
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