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. 02, 1976
Filed:
Jan. 20, 1975
Applicant:
Inventor:
William S Hollingshead, Cuyahoga Falls, OH (US);
Assignee:
The Goodyear Tire & Rubber Company, Akron, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
260 / ; 2606 / ;
Abstract
Phenol is reacted with .alpha.-methyl styrene and isobutylene to produce a mixture of substituted phenols which have excellent color characteristics and exhibit unusual and unexpected antioxidant activity.
Hollingshead, William. (1976). Butylated, .alpha.-methyl styrenated phenolic antioxidants for polymers (U.S. Patent No. 3989665). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3989665
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile