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.

Date of Patent:
Jan. 20, 2015

Filed:

Apr. 27, 2010
Applicants:

Mubeen Ahmed Khan, Navi Mumbai, IN;

Nikhil Rasiklal Trivedi, Navi Mumbai, IN;

Nagan Nirmalan Kandasamy, Khidakali, IN;

Dayaghan Gangadhar Patil, Kalyan, IN;

Vipin Kumar Pandey, Mirzapur, IN;

Sukumar Sinha, Navi Mumbai, IN;

Inventors:

Mubeen Ahmed Khan, Navi Mumbai, IN;

Nikhil Rasiklal Trivedi, Navi Mumbai, IN;

Nagan Nirmalan Kandasamy, Khidakali, IN;

Dayaghan Gangadhar Patil, Kalyan, IN;

Vipin Kumar Pandey, Mirzapur, IN;

Sukumar Sinha, Navi Mumbai, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 207/04 (2006.01); C07D 207/08 (2006.01);
U.S. Cl.
CPC ...
C07D 207/08 (2013.01);
Abstract

A solid crystalline form of 1-(2-[4-(6-methoxy-3,4-dihydronaphthalene-1-y) phenoxy]ethyl)pyrrolidine, and a preparing process thereof are provided. The aforesaid compound is a key intermediate in the synthesis of lasofoxifene. A process for preparing lasofoxifene, a process for purifying lasofoxifene tartrate, and a crystalline form of lasofoxifene tartrate are also provided.


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