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:
Feb. 12, 1980
Filed:
Mar. 24, 1978
Applicant:
Inventors:
John S Nicholson, Beeston, GB;
John L Turner, East Leake, GB;
Assignee:
The Boots Company Limited, , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562492 ; 560255 ; 562460 ; 562469 ; 562470 ; 544176 ;
Abstract
A process is disclosed for preparing arylpropionic acids of formula Ar--CH(CH.sub.3)--COOH, by reacting an aryl Grignard reagent with a metal pyruvate or with a pyruvamide, to form a hydroxy acid of formula Ar--C(OH)(CH.sub.3)--COOH or its amide, and converting the acid or amide to the product.