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:
Aug. 06, 2019
Filed:
Aug. 21, 2014
Hisamitsu Pharmaceutical Co., Inc., Tosu-shi, Saga, JP;
Keiichiro Tsurushima, Tosu, JP;
Yasuhisa Kose, Tosu, JP;
Shinji Yamasoto, Tosu, JP;
Seiichiro Tsuru, Tosu, JP;
Takaaki Yoshinaga, Tosu, JP;
HISAMITSU PHARMACEUTICAL CO., LTD., Tosu-Shi, Saga, JP;
Abstract
A gel patch comprising a plaster layer on a support, the plaster layer comprising a mixture of at least a neutralized polyacrylic acid, a poly(methyl acrylate/2-ethylhexyl acrylate) emulsion, and water, wherein the poly(methyl acrylate/2-ethylhexyl acrylate) emulsion is an emulsion having an evaporation residue of 57 to 61% by heating at or above the boiling point of the medium and is present in an amount of at least 2.5 times and preferably at least 3 times the mass of the neutralized polyacrylic acid.