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:
Apr. 22, 2014

Filed:

Feb. 12, 2010
Applicants:

Brian A. Bucher, Boston, MA (US);

Edward M. Desimone, Iii, Indianapolis, IN (US);

Roland R. Franke, Gloucester, MA (US);

Rex T. Gallagher, Hampton, MA (US);

Barry J. Hand, Acton, MA (US);

Christopher D. Howe, Beverly, MA (US);

James A. Johnson, Edenton, NC (US);

John S. Juchum, Kingston, NH (US);

Marc A. Plante, Middleton, MA (US);

T. G. Sambandam, Uxbridge, MA (US);

Dong S. Yang, Quincy, MA (US);

Inventors:

Brian A. Bucher, Boston, MA (US);

Edward M. Desimone, III, Indianapolis, IN (US);

Roland R. Franke, Gloucester, MA (US);

Rex T. Gallagher, Hampton, MA (US);

Barry J. Hand, Acton, MA (US);

Christopher D. Howe, Beverly, MA (US);

James A. Johnson, Edenton, NC (US);

John S. Juchum, Kingston, NH (US);

Marc A. Plante, Middleton, MA (US);

T. G. Sambandam, Uxbridge, MA (US);

Dong S. Yang, Quincy, MA (US);

Assignee:

Phyton Holdings LLC, San Antonio, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 305/00 (2006.01); C07D 407/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a method of crystallizing a taxane comprising combining the taxane and methylene chloride to obtain a solution and adding an anti-solvent to the solution to obtain a crystalline taxane, wherein the anti-solvent is selected from the group consisting of hexane and heptane.


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