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:
Feb. 02, 2010
Filed:
May. 18, 2007
Applicants:
Jaroslav Pis, Prague, CZ;
Rudolf Smrz, Prague, CZ;
Inventors:
Jaroslav Pis, Prague, CZ;
Rudolf Smrz, Prague, CZ;
Assignee:
Synthon BV, Nijmegen, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 249/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Anastrozole can be purified by crystallization from an aqueous-based solvent system. The aqueous-based solvent system can contain dilute acid, or an alcohol or both.