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.:

US 8921591 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 30, 2014

Filed:

Dec. 20, 2012
Applicant:

Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, CN;

Inventors:

Hanmin Huang, Lanzhou, CN;

Chungu Xia, Lanzhou, CN;

Pan Xie, Lanzhou, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/36 (2006.01); C07C 51/09 (2006.01);
U.S. Cl.
CPC ...
C07C 67/36 (2013.01); C07C 51/09 (2013.01);
Abstract

A production process for substituted phenylacetic acids or ester analogs thereof is disclosed. In this process toluene or toluene substituted with various substituents, an alcohol, an oxidant and carbon monoxide are used as raw materials to obtain compounds comprising structure of phenylacetic acid ester or analogs thereof by catalysis of the complex catalyst formed from transition metal and ligand, and such compounds are hydrolyzed to obtain various substituted phenylacetic acid based compounds. This type of compounds and their derivatives serve as important fine chemicals used widely in the industries of pharmaceuticals, pesticides, perfume and the like.


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Huang, Hanmin. (2014). Process for synthesizing phenylacetic acid by carbonylation of toluene (U.S. Patent No. 8921591). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8921591

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