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:
Jun. 07, 2005
Filed:
Mar. 07, 2002
Applicants:
Yusuf Khwaja Hamied, Mumbai, IN;
Rajendra Narayaurao Kankan, Mumbai, IN;
Dhanmaraj Ramachandra Rao, Maharashtra, IN;
Inventors:
Yusuf Khwaja Hamied, Mumbai, IN;
Rajendra Narayaurao Kankan, Mumbai, IN;
Dhanmaraj Ramachandra Rao, Maharashtra, IN;
Assignee:
Cipla Limited, Mumbai, IN;
Primary Examiner:
Int. Cl.
CPC ...
C07D307/87 ;
U.S. Cl.
CPC ...
Abstract
Citalopram and other phthalanes are made by reacting a salt of a compound of formula (II) where Ris halogen and Ris halogen, trifluoromethyl, cyano or R—CO— where R is a Calkyl group, with cuprous cyanide.
Hamied, Yusuf. (2005). Preparation of phthalanes (U.S. Patent No. 6903228). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6903228
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile