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:
Feb. 06, 2018
Filed:
Jul. 11, 2011
Hideo Isoda, Otsu, JP;
Hiroyuki Sakamoto, Otsu, JP;
Takashi Koida, Osaka, JP;
Hiroyasu Sakaguchi, Osaka, JP;
Sadanobu Shirai, Higashikagawa, JP;
Masahiro Inazuki, Higashikagawa, JP;
Miho Ishigure, Higashikagawa, JP;
Hideo Isoda, Otsu, JP;
Hiroyuki Sakamoto, Otsu, JP;
Takashi Koida, Osaka, JP;
Hiroyasu Sakaguchi, Osaka, JP;
Sadanobu Shirai, Higashikagawa, JP;
Masahiro Inazuki, Higashikagawa, JP;
Miho Ishigure, Higashikagawa, JP;
TOYOBO CO., LTD., Osaka-shi, Osaka, JP;
TEIKOKU SEIYAKU CO., LTD., Higashikagawa-shi, Kagawa, JP;
Abstract
The present invention relates to a backing for a water-based patch consisting of the following constituents, wherein the backing is excellent in pasty preparation retention and moisture retention, improves the persistence of drug efficacy by inhibiting the sublimation of the drug, gives neither restrained feeling nor rough feeling due to a thin thickness and an excellent elasticity, controls the moisture permeability, gives almost no sticky feeling and thereby gives an excellent feeling in application. A patch backing for a water-based pasty preparation consisting of a laminate, wherein the laminate consists of three layers, a film layer having through-holes is laminated between a nonwoven fabric layer A and a nonwoven fabric layer B, said film layer consists of a resin containing an olefin elastomer, the through-hole area per a hole is 0.02-0.18 mm, and the opening ratio of the through-hole is 1-10%.