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:
Nov. 06, 2012
Filed:
Dec. 26, 2008
OM Dutt Tyagi, Jinnaram Mandal, IN;
Saswata Lahiri, Jinnaram Mandal, IN;
Purandhar Koilkonda, Jinnaram Mandal, IN;
Jagan Mohana Chary Tummanapally, Jinnaram Mandal, IN;
Mohan Vamsi Krishna Vadlamudi, Jinnaram Mandal, IN;
Venkata Bala Kishore Sarma Inupakutika, Jinnaram Mandal, IN;
Surya Nageswara Rao Achanta, Jinnaram Mandal, IN;
Om Dutt Tyagi, Jinnaram Mandal, IN;
Saswata Lahiri, Jinnaram Mandal, IN;
Purandhar Koilkonda, Jinnaram Mandal, IN;
Jagan Mohana Chary Tummanapally, Jinnaram Mandal, IN;
Mohan Vamsi Krishna Vadlamudi, Jinnaram Mandal, IN;
Venkata Bala Kishore Sarma Inupakutika, Jinnaram Mandal, IN;
Surya Nageswara Rao Achanta, Jinnaram Mandal, IN;
Matrix Laboratories Limited, Andhra Pradesh, IN;
Abstract
The present invention relates to an improved, process for large scale production of 1-[2-(dimethylamino)-1-(4-phenol)ethyl]cyclohexanol (O-desmethylvenlafaxine) or its pharmaceutically acceptable salts with increased yield and minimal impurities.