logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 5548029 B1

PDFFull Text
Date of Patent:
Aug. 20, 1996

Filed:

Mar. 15, 1995

Graft copolymers of para-alkylstyrene/isoolefin copolymers

Applicant:
Inventors:

Kenneth W Powers, Berkeley Heights, NJ (US);

Hsien-Chang Wang, Bellaire, TX (US);

T-C Chung, State College, PA (US);

Anthony J Dias, Houston, TX (US);

Joseph A Olkusz, Fanwood, NJ (US);

Assignee:

Exxon Chemical Patents Inc., Wilmington, DE (US);

Attorney:

Kortzman; Myron B.

Primary Examiner:

Fred Teskin

Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525195 ; 525194 ; 525203 ; 525205 ; 525206 ; 525207 ; 525208 ; 525210 ; 525212 ; 525217 ; 525218 ; 525219 ; 525227 ; 525231 ; 525232 ; 525233 ; 525238 ; 525240 ; 525241 ; 5253334 ; 525356 ; 525357 ; 525192 ;
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.

Find Patent Forward Citations

Powers, Kenneth. (1996). Graft copolymers of para-alkylstyrene/isoolefin copolymers (U.S. Patent No. 5548029). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5548029

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…