Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-03-15
1996-08-20
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525194, 525203, 525205, 525206, 525207, 525208, 525210, 525212, 525217, 525218, 525219, 525227, 525231, 525232, 525233, 525238, 525240, 525241, 5253334, 525356, 525357, 525192, C08G 8102
Patent
active
055480292
ABSTRACT:
Graft copolymers which are isoolefin/para-alkylstyrene copolymer represented by the formula ##STR1## in which R and R' can be hydrogen, alkyl, and the primary and secondary alkyl halides, "a" ranges from about 14 to about 70,000, "b" ranges from 0 to about 70,000, "c" ranges from 0 to about 70,000, "d" ranges from about 1 to about 70,000, X is a halogen, and Nu is a nucleophilic residue provided by a polymeric nucleophile.
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Chung T-C.
Dias Anthony J.
Olkusz Joseph A.
Powers Kenneth W.
Wang Hsien-Chang
Exxon Chemical Patents Inc.
Kortzman Myron B.
Teskin Fred
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