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.:
Date of Patent:
Jan. 11, 1994
Filed:
Oct. 07, 1992
Applicant:
Inventors:
Donn A DuBois, Houston, TX (US);
Carl L Willis, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525299 ; 525271 ; 525250 ;
Abstract
Block copolymers of particular structure comprising blocks of polymerized alkenyl aromatic compound and polymerized conjugated alkadiene, as well as selectively hydrogenated derivatives thereof, are functionalized by the presence of additional polar blocks of polymerized alkyl methacrylate.
DuBois, Donn. (1994). Thermoplastic elastomers (U.S. Patent No. 5278245). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5278245
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile