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:
May. 31, 2005
Filed:
May. 07, 2001
Mohammad Salman, Haryana, IN;
Parma Chandra Ray, New Delhi, IN;
Kiran Kumar Gangakhedkar, Haryana, IN;
Harish Niranjan Lal Dorwal, Haryana, IN;
Naresh Kumar, Haryana, IN;
Mohammad Salman, Haryana, IN;
Parma Chandra Ray, New Delhi, IN;
Kiran Kumar Gangakhedkar, Haryana, IN;
Harish Niranjan Lal Dorwal, Haryana, IN;
Naresh Kumar, Haryana, IN;
Ranbaxy Laboratories Limited, New Delhi, IN;
Abstract
The invention relates to a cost effective and industrially advantageous process for the selective methylation of a hydroxy group at the 6 position of erythromycin A derivative which comprised methylating the erythromycin A derivative with a methylating agent in a mixture of toluene and a ploar aprotic solvent.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile