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:
Mar. 06, 2018
Filed:
Feb. 13, 2012
Applicants:
Hong-ryeol Jeon, Suwon-si, KR;
Bong-sang Lee, Suwon-si, KR;
Su-jun Park, Yongin-si, KR;
Bong-geun Cha, Hwaseong-si, KR;
Jun-ki Kim, Chungcheongbuk-do, KR;
Inventors:
Hong-Ryeol Jeon, Suwon-si, KR;
Bong-Sang Lee, Suwon-si, KR;
Su-Jun Park, Yongin-si, KR;
Bong-Geun Cha, Hwaseong-si, KR;
Jun-Ki Kim, Chungcheongbuk-do, KR;
Assignee:
CTC Bio, Inc., Songpa-gu, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/14 (2006.01); A61L 9/04 (2006.01); A61K 31/496 (2006.01); A61K 9/19 (2006.01); A61K 9/20 (2006.01); A61K 9/00 (2006.01); A61K 9/70 (2006.01); A61K 31/519 (2006.01); A61K 31/522 (2006.01);
U.S. Cl.
CPC ...
A61K 9/7007 (2013.01); A61K 9/006 (2013.01); A61K 9/0056 (2013.01); A61K 9/14 (2013.01); A61K 31/519 (2013.01); A61K 31/522 (2013.01);
Abstract
The present invention provides a method for preparing a film comprising a high amount of a sildenafil free base uniformly dispersed therein and having a suitable thickness and size, as well as flexibility providing good handling stability and being not prone to breaking. The present invention also provides a sildenafil free base-containing film prepared from the method.