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. 12, 2007
Filed:
Oct. 11, 2005
Potlapally Rejender Kumar, Hyderabad, IN;
Velagala V. R. M. K. Reddy, Hyderabad, IN;
Jangalgar Tirupathy Reddy, Hyderabad, IN;
Gurram Ranga Madhaven, Hyderabad, IN;
Sunil Kumar Singh, Hyderabad, IN;
Potlapally Rejender Kumar, Hyderabad, IN;
Velagala V. R. M. K. Reddy, Hyderabad, IN;
Jangalgar Tirupathy Reddy, Hyderabad, IN;
Gurram Ranga Madhaven, Hyderabad, IN;
Sunil Kumar Singh, Hyderabad, IN;
Dr. Reddy's Laboratories Limited, Hyderabad, Andhra Pradesh, IN;
Dr. Reddy's Laboratories, Inc., Bridgewater, NJ (US);
Abstract
The invention provides a process for preparing R-(+)-2-(4-hydroxyphenoxy)-2-methyl-butyric acid methyl ester of the formula (I): Various embodiments and variants are provided. The invention also provides a process for preparing S-(−)-2-(4-hydroxyphenoxy)-2-methyl-butyric acid methyl ester of the formula (II) Various embodiments and variants are provided.