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:
Aug. 01, 1989
Filed:
Aug. 12, 1987
Applicant:
Inventors:
Rodney L Sung, Fishkill, NY (US);
Thomas Hayden, Wappingers Falls, NY (US);
Michael A Caggiano, Chelsea, NY (US);
Milton D Behrens, Fishkill, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44 62 ; 44 63 ; 44 71 ; 44 72 ;
Abstract
ORI-inhibited and deposit-resistant motor fuel composition comprises a mixture of hydrocarbons boiling in the range of 90.degree. F.-450.degree. F. and (I) the reaction product of a dibasic acid anhydride, a polyoxyalkylene diamine, and a hydrocarbyl polyamine; and (II) a mixture comprising polyisobutylene ethylene diamine and polyisobutylene in a hydrocarbon solvent. Motor fuel compositions of the instant invention show improved ORI control and valve deposit control in comparison with typical commercial fuel compositions.