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:
Apr. 28, 1998
Filed:
Aug. 13, 1992
Lintec Corporation, Tokyo, JP;
Abstract
A transdermal therapeutic formulation is made of a composition comprising a polymer and ingredients mixed with the polymer which are a pharmacologically active substance, an alcohol, a percutaneous absorption promoter utilized according to necessity and water utilized according to necessity. The polymer comprises lipophilic monomer units and hydrophilic monomer units in a specific ratio. The alcohol, the percutaneous absorption promoter and water are mixed with the polymer in specific amounts. The transdermal therapeutic formulation has excellent percutaneous absorption, has many kinds of applicable pharmacologically active substances, shows good stability of percutaneous absorption with time because of absence of crystallization of the pharmacologically active substance, has good adhesive strength and thus favorably utilized as transdermal therapeutic plaster.