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. 06, 2022
Filed:
Jan. 14, 2020
Applicant:
Laurus Labs Limited, Hyderabad, IN;
Inventors:
Uma Maheswer Rao Vasireddi, Hyderabad, IN;
Venkata Ramana Kintali, Visakhapatnam, IN;
Jagadeeswara Rao Dadi, Visakhapatnam, IN;
Raj Koti Katkuri, Visakhapatam, IN;
Sridhar Tummu, Visakhapatnam, IN;
Assignee:
Laurus Labs Limited, Hyderabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 221/00 (2006.01); C07D 491/147 (2006.01);
U.S. Cl.
CPC ...
C07C 221/00 (2013.01); C07D 491/147 (2013.01);
Abstract
The present invention relates to a process for preparation of 2-Amino-5-hydroxy propiophenone, a key intermediate for the synthesis of camptothecin analogs including 7-Ethyl-10-hydroxycamptothecin (SN-38).
Vasireddi, Uma Maheswer Rao. (2022). Process for preparation of 2-amino-5-hydroxy propiophenone (U.S. Patent No. 11434196). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11434196
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile