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:
Feb. 15, 1994
Filed:
Jul. 09, 1992
Applicant:
Inventor:
Sheldon Herbstman, New City, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ; C07C / ;
U.S. Cl.
CPC ...
44417 ; 44334 ; 44419 ; 564 47 ; 564 59 ; 564 60 ; 564 61 ;
Abstract
The present invention provides a novel class of compounds, useful as gasoline detergent additives, comprising asymmetrical ureas of either a hydrocarbyloxypolyether amine alone, or a hydrocarbyloxypolyether amine and a tertiary aminoalkyl primary amine. The present invention also provides a motor fuel composition containing the novel asymmetrical ureas and further provides a method of synthesizing the asymmetrical ureas of the present invention.