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. 03, 1978
Filed:
Sep. 10, 1976
Applicant:
Inventors:
John C Wollensak, Bloomfield Hills, MI (US);
Kryn G Ihrman, Farmington, MI (US);
Paul G Elsey, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C01M / ;
U.S. Cl.
CPC ...
252 / ; 208 15 ; 208 18 ; 208 20 ; 252404 ; 260 / ; 426268 ; 426546 ; 426601 ; 426623 ; 426635 ;
Abstract
Methylenebis(dicyclopentyl phenols) in which at least one cyclopentyl group is ortho to the phenolic hydroxy group are effective antioxidants in a broad range of organic materials including mineral and synthetic lubricating oil and polyolefins.
Wollensak, John. (1978). Antioxidant (U.S. Patent No. 4066562). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4066562
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile