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. 26, 1978
Filed:
Apr. 04, 1977
Applicant:
Inventors:
George Kenneth Makinson, Manchester, GB;
David Schofield, Manchester, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ;
U.S. Cl.
CPC ...
2604 / ; 560124 ; 560105 ;
Abstract
Process for the preparation of esters of m-phenoxybenzyl alcohol and its .alpha.-cyano and .alpha.-ethinyl derivatives with carboxylic acids containing at least 6 carbon atoms by heating together a methyl or ethyl ester of the carboxylic acid, an ester of m-phenoxyphenyl alcohol or its .alpha.-cyano or .alpha.-ethinyl derivative with an acid of the formula R.CO.sub.2 H wherein R is an alkyl group containing not more than 3 carbon atoms, and tetramethyl or tetraethyl titanate at a temperature such that the methyl or ethyl ester of the acid of formula R.CO.sub.2 H is removed by distillation as it is formed.