Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1997-09-18
2000-01-04
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548550, 546177, 526263, G07D20709, G07D20712
Patent
active
060111607
ABSTRACT:
What is described herein is a crosslinked polyvinylpyrrolidone (PVPP) copolymer of vinyl pyrrolidone (VP) and monomer derived from 1-vinyl-3-(E)-ethylidene pyrrolidone (EVP).
REFERENCES:
Howard et al., "4-Substituted-2, 3, 5-pyrrolidinetriones," J. Am. Chem. Soc., vol. 80, pp. 3924-3928, 1958.
Kabanov Victor
Malawer Edward G.
Narayanan Kolazi S.
Tallon Michael A.
Tseng Susan Y.
Davis William J.
ISP Investments Inc.
Katz Walter
Maue Marilyn J.
Oswecki Jane C.
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