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. 06, 1993
Filed:
Oct. 10, 1989
Masato Azuma, Osaka, JP;
Hiroko Tsukahara, Takatsuki, JP;
Hiroshi Kuroda, Ibaraki, JP;
Mutsumi Fukuda, Osaka, JP;
Sekisui Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Abstract
A percutaneous pharmaceutical preparation in tape form is provided. The preparation comprises a flexible backing, which is not permeable to an active ingredient, and an adhesive layer formed on the flexible backing, the adhesive layer comprising an adhesive base material and an active ingredient compatible with the adhesive base material, wherein the adhesive base material consists essentially of a copolymer containing 2-ethylhexyl acrylate in a concentration of 45 to 80 mol % and N-vinyl-2-pyrrolidone in a concentration of 20 to 55 mol %, and the active ingredient is estradiol and/or the esters thereof which are contained in a concentration of 6 to 25% by weight of the total amount of the adhesive base material and the active ingredient.