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. 17, 2002
Filed:
Jul. 18, 2001
Applicant:
Inventors:
Toshiyuki Yamauchi, Tokyo, JP;
Masuo Omichi, Okegawa, JP;
Eisuke Kanagawa, Kitamoto, JP;
Tomohiro Tanino, Toda, JP;
Yoshikatsu Osamura, Kasukabe, JP;
Assignee:
Johoku Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 6/900 ;
U.S. Cl.
CPC ...
C07C 6/900 ;
Abstract
A process for production of carboxylic acid aryl esters which comprises reacting a carboxylic acid having at least one carboxyl group with a di- or tri-aryl phosphite compound, in the presence of a basic compound and/or water. The carboxylic acid aryl esters can also be produced by reacting a carboxylic acid or a basic salt thereof with a diaryl phosphite compound.
Yamauchi, Toshiyuki. (2002). Process for production of carboxylic acid aryl esters (U.S. Patent No. 6495712). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6495712
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile