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. 09, 1979
Filed:
Jun. 29, 1977
Applicant:
Inventor:
John F Deffner, Glenshaw, PA (US);
Assignee:
Gulf Research & Development Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44 68 ; 44 77 ; 252386 ;
Abstract
This invention relates to lead-free fuel compositions having improved anti-knock and octane characteristics, which comprise a gasoline and, as a synergistic anti-knock and octane-improvement agent, a small amount of an organic compound selected from para-cresol or alkanediols such as 2,5-hexanediol in combination with an organo-cerium (IV) chelate.
Deffner, John. (1979). Organic synergists for organo-cerium (iv) anti-knock additives in (U.S. Patent No. 4133648). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4133648
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile