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:
Nov. 19, 2013
Filed:
Feb. 25, 2010
Applicants:
Mazen Hanna, Lutz, FL (US);
Ning Shan, Tampa, FL (US);
Miranda L. Cheney, Tampa, FL (US);
David R. Weyna, Tampa, FL (US);
Inventors:
Mazen Hanna, Lutz, FL (US);
Ning Shan, Tampa, FL (US);
Miranda L. Cheney, Tampa, FL (US);
David R. Weyna, Tampa, FL (US);
Assignee:
Thar Pharmaceuticals, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/495 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to novel crystalline forms of tadalafil suitable for pharmaceutical compositions in drug delivery systems for humans. More particularly, the invention relates to crystalline molecular complexes of tadalafil and methylparaben.