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:
Aug. 11, 2009
Filed:
Oct. 25, 2007
Applicant:
Zhisong Cao, Friendswood, TX (US);
Inventor:
Zhisong Cao, Friendswood, TX (US);
Assignee:
The Christus Stehlin Foundation for Cancer Research, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/4745 (2006.01); C07D 491/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
Hydrated crystalline camptothecin esters, such as crystalline aliphatic ester hydrates of camptothecin, pharmaceutical compositions containing crystalline aliphatic ester hydrates of camptothecin, methods of treating a cancer or malignant tumor using the crystalline camptothecin ester hydrates and methods of making the same are described.