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:
Sep. 10, 1996
Filed:
Aug. 18, 1994
Applicant:
Inventor:
Thomas H Johnson, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564491 ; 44433 ; 564357 ; 564358 ;
Abstract
The invention includes a compound of formula I ##STR1## where R' is hydrogen, an alkyl, or aryl group; R'O is derived from R'OH which is a polyether mono-ol or hydrocarbyl mono-ol; and R'' independently is a hydrogen, an alkyl group or a substituted alkyl group. The invention also includes an unleaded fuel composition containing a compound of formula I and a process for making the compound of formula I.