Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1997-02-21
1998-04-14
Mosley, Terressa
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
528363, C08G 6344
Patent
active
057393931
ABSTRACT:
Polymers with recurring succinyl units are prepared by reaction of maleic anhydride, maleic acid or fumaric acid with condensed liquid ammonia and polymerization of the resulting reaction product.
REFERENCES:
patent: 4839461 (1989-06-01), Boehmke
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patent: 5466779 (1995-11-01), Ross
patent: 5548036 (1996-08-01), Kroner et al.
patent: 5612447 (1997-03-01), Freeman et al.
Harada, Polycondensation of Thermal Precursors of Aspartic Acid, J. Org. Chem., vol. 24, pp. 1662-1666 (Nov., 1959).
Dobert Frank
Groth Torsten
Joentgen Winfried
Wagner Paul
Bayer AG
Mosley Terressa
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