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:
Nov. 08, 1983
Filed:
Jan. 07, 1982
Applicant:
Inventor:
Justin C Powell, Fairfax, VA (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549255 ; 549231 ;
Abstract
Reaction of maleic acid anhydride and polyisobutylene to form product polyisobutenyl succinic acid anhydride is effected under controlled conditions whereby tar and sludge formation is minimized.
Powell, Justin. (1983). Production of alkenyl substituted aliphatic dicarboxylic anhydrides (U.S. Patent No. 4414397). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4414397
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile