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. 05, 2013
Filed:
Feb. 20, 2009
Applicants:
Yong Youn Hwang, Suwon-si, KR;
Nam Ho Kim, Yongin-Si, KR;
Won Jae Choi, Seoul, KR;
Yong Han Kim, Gyeonggi-do, KR;
Inventors:
Yong Youn Hwang, Suwon-si, KR;
Nam Ho Kim, Yongin-Si, KR;
Won Jae Choi, Seoul, KR;
Yong Han Kim, Gyeonggi-do, KR;
Assignee:
SK Chemicals Co., Ltd., Gyeonggi-Do, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 37/30 (2006.01); A61K 31/205 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an acid salt of tolterodine with superior stabililty and useful as a transdermal drug delivery system. More specifically, the present invention relates to a novel acid salt of tolterodine with superior stabililty to the conventional acid salts of tolterodine, which is useful as a pharmaceutical composition for the treatment of overactive bladder and can be formulated into a transdermal drug delivery system.