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:
Jun. 17, 1997
Filed:
Apr. 10, 1995
Applicant:
Inventors:
Assignees:
Nitto Denko Corporation, Osaka, JP;
Hokuriku Seiyaku Co., Ltd., Fukui, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424449 ; 424448 ; 514728 ; 514731 ; 514741 ; 514653 ;
Abstract
A percutaneous absorption preparation comprising a support and, formed on one side thereof, a plaster layer comprising a pressure-sensitive adhesive and tulobuterol in an amount not lower than its saturation solubility in the pressure-sensitive adhesive, the tulobuterol contained in the plaster layer consisting of dissolved tulobuterol and crystalline tulobuterol with the ratio of the content of the crystalline tulobuterol to that of the dissolved tulobuterol being from 0.1 to 10.