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:
Dec. 29, 1987
Filed:
Dec. 05, 1985
Applicant:
Inventors:
Frederick E Ward, Elkhart, IN (US);
Kin F Yip, Elkhart, IN (US);
Assignee:
Miles Laboratories, Inc., Elkhart, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548556 ;
Abstract
A method for preparing an ester having the structure ##STR1## in which A is an acid residue; R, same or different is H, lower alkyl, aryl, or in which both R together form a ring structure and R' is H, lower alkyl or aryl. The method comprises combining a first compound having the structure ##STR2## and a second compound which is an acyl halide corresponding to A, said combining being performed in the presence of an organic acid.