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:
Jul. 27, 1999
Filed:
Jul. 17, 1997
Applicant:
Inventors:
Noboru Ishida, Yokohama, JP;
Katsuhiko Haji, Yokoahma, JP;
Masaki Nagao, Yokohama, JP;
Toru Yoshii, Yokohama, JP;
Assignee:
Nippon Oil Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44387 ; 558275 ; 558276 ; 560 60 ; 560186 ; 44391 ; 44399 ;
Abstract
A fuel additive which comprises a compound selected from a novel amine, oxygen-containing and nitrogen-containing compounds having selected structures. The inventive additive when blended with a gasoline serves to suppress sludge or deposits in fuel intake systems or combustion chambers for example of an automobile engine.