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:
May. 23, 2017
Filed:
Dec. 06, 2012
Applicants:
Applied Pharmaceutical Science, Inc.;
Zhijian Wang, Beijing, CN;
Xiaohong Zhang, Beijing, CN;
Inventors:
Xiaohong Zhang, Beijing, CN;
Lu Song, Beijing, CN;
Wendong Sun, Beijing, CN;
Kaiyang Liu, Beijing, CN;
Chunlei Han, Beijing, CN;
Assignee:
Applied Pharmaceutical Science, Inc., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/277 (2006.01); C07C 255/47 (2006.01); A61K 31/56 (2006.01); C07J 63/00 (2006.01); C07C 253/34 (2006.01);
U.S. Cl.
CPC ...
C07C 255/47 (2013.01); A61K 31/277 (2013.01); A61K 31/56 (2013.01); C07C 253/34 (2013.01); C07J 63/008 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to polymorphic forms of the compound of Formula I (i.e., ethyl 2-cyano-3,12-dioxoIeana-1,9(11)-dien-28-oate (CDDO ethyl ester)) and methods of using them for treating a variety of disease states such as cancer and condisitons associated with inflammation.