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:
Jul. 31, 2007
Filed:
Dec. 05, 2006
Applicants:
Kiyomi Tsuruda, Saga, JP;
Yasuhiro Ikeura, Saga, JP;
Inventors:
Kiyomi Tsuruda, Saga, JP;
Yasuhiro Ikeura, Saga, JP;
Assignee:
Hisamitsu Pharmaceuticals Co., Inc., Saga, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/00 (2006.01); A61F 13/02 (2006.01); A61K 9/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention provides a patch with less skin stimulation, excellent in long time store stability and heat stability and having favorable tack during use. The patch comprising a styrene-isoprene-styrene block copolymer, polyisobutylene, tackifier, plasticizer and pharmaceutically effective ingredient, in which two or more kinds of polyisobutylene of different average molecular weight are used in combination and the viscosity of the adhesive of the patch is between 1500 and 30,000 poise (at 60° C.) and the tack of the patch is from 5 to 200 g/10 mm.