Patents Represented by Attorney Myron B. Kortzman

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  • Graft copolymers of para-alkylstyrene/isoolefin copolymers
    Patent number: 5548029
    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.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: August 20, 1996
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Kenneth W. Powers, Hsien-Chang Wang, T-C. Chung, Anthony J. Dias, Joseph A. Olkusz