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. 16, 2013
Filed:
May. 13, 2004
Kunihiko Matsushita, Kagawa, JP;
Kenichi Hattori, Tokushima, JP;
Masahiro Yamaji, Higashikagawa, JP;
Kunihiko Matsushita, Kagawa, JP;
Kenichi Hattori, Tokushima, JP;
Masahiro Yamaji, Higashikagawa, JP;
Teikoku Seiyaku Co. Ltd., Higashikagawa-shi, JP;
Fuso Pharmaceutical Industries Ltd., Osaka-shi, JP;
Abstract
An external patch capable of stable prolonged release and transdermal absorption of active ingredient hormones (estrogens and/or progestogens) contained in a pressure sensitive adhesive layer, which external patch ensures low irritation on the skin. In particular, an external patch comprising a support and, superimposed thereon, a pressure sensitive adhesive layer, characterized in that the pressure sensitive adhesive layer comprises, as indispensable components, 5 to 50 wt. % of styrene/isoprene/styrene block copolymer, 20 to 70 wt. % of tackifier resin, 10 to 60 wt. % of softener and 1 to 20 wt. % of polyvinylpyrrolidone and contains, as an active ingredient, estrogen and/or progestogen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile