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. 01, 2010
Filed:
Jun. 16, 2005
OM Dutt Tyagi, Pune, IN;
Tushar Kumar Srivastava, Pune, IN;
Yogendra Kumar Chauhan, Pune, IN;
Vasanth Kumar Nalam, Pune, IN;
Om Dutt Tyagi, Pune, IN;
Tushar Kumar Srivastava, Pune, IN;
Yogendra Kumar Chauhan, Pune, IN;
Vasanth Kumar Nalam, Pune, IN;
Lupin Limited, Mumbai, IN;
Abstract
A novel method for preparing a compound of formula I which comprises of coupling the piperazine derivative of formula II with alkyl halide containing compound of the formula III by heating in solvent free conditions or, optionally, in a minimum quantity of non-aqueous suspending liquid, in presence of a catalyst and a neutralizing agent to neutralize the hydrohalic acid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile