Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1999-08-04
2000-09-26
Pezzuto, Helen L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526258, 526260, 526263, 548543, 548550, 546177, C08F 2608
Patent
active
061244155
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:
patent: 5094867 (1992-03-01), Detering et al.
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 Investment Inc.
Katz Walter
Maue Marilyn J.
Pezzuto Helen L.
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