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. 14, 2017
Filed:
Jul. 18, 2013
Applicant:
Laurus Labs Private Limited, Hyderabad, IN;
Inventors:
Hari Krishna Mudduluru, Hyderabad, IN;
Shankar Madhavaram, Hyderabad, IN;
Assignee:
Laurus Labs Private Limited, Hyderabad, IN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 253/30 (2006.01); C07C 231/02 (2006.01); C07C 253/20 (2006.01);
U.S. Cl.
CPC ...
C07C 253/30 (2013.01); C07C 231/02 (2013.01); C07C 253/20 (2013.01);
Abstract
The present invention relates to one pot process for the preparation of 2,3-dihydroxy benzonitrile from 2,3-dialkoxy benzoic acid without prior isolation of the intermediates. Further the invention relates to the preparation of 2,3-dihydroxy benzonitrile by dealkylation of 2,3-dialkoxy benzonitrile using suitable aluminum salt-amine complex.
Mudduluru, Hari. (2017). Process for preparation of 2,3-dihydroxy benzonitrile (U.S. Patent No. 9567292). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9567292
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile