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:
Nov. 22, 1977
Filed:
May. 28, 1976
Applicant:
Inventors:
Hans D Holtz, Bartlesville, OK (US);
Benedict R Bonazza, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44 58 ; 44 66 ; 44 71 ; 252 475 ;
Abstract
A long chain monocarboxylic acid is reacted with a trialkanolamine to produce an ester and this ester is then treated with sulfonic acid to produce a sulfonate to provide compounds which are suitable as ashless detergent additives and the method for producing these compounds are provided. In a preferred embodiment the ashless fuel detergent additives are combined with hydrocarbons suitable as fuel in an internal combustion engine to provide ashless fuel and lubricant detergent compositions.