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. 12, 1994
Filed:
Jul. 19, 1993
Applicant:
Inventors:
Kevin J Theriot, Baton Rouge, LA (US);
Niomi L Krzystowczyk, Baton Rouge, LA (US);
Yueh-Dong Chen, Baton Rouge, LA (US);
Edward A Burt, Baton Rouge, LA (US);
Lawrence H Shepherd, Jr, Baton Rouge, LA (US);
Assignee:
Albemarle Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
570142 ; 558411 ; 560103 ; 562 41 ; 562479 ; 564281 ; 564391 ; 568314 ; 568932 ; 568939 ; 570190 ;
Abstract
Activated carboxylic acids and esters such as pentafluorobenzoic acid are rapidly decarboxylated in high yields by reacting the acid or ester with an alkanolamine reagent which catalyzes the reaction.