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. 06, 1993
Filed:
Feb. 03, 1992
Applicant:
Inventors:
K Pushpananda Senaratne, Baton Rouge, LA (US);
Patrick S Bynum, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 71 ; 560 67 ;
Abstract
Hydroxybenzoates such as methylsalicylate are alkylated by reacting a hydroxybenzoate with a polyalphaolefin in the presence of a catalytic amount of SnCl.sub.4.