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:
Sep. 18, 2012
Filed:
Nov. 12, 2008
Naoya Yoshida, Tokyo, JP;
Yoshihito Yaginuma, Tokyo, JP;
Naoya Yoshida, Tokyo, JP;
Yoshihito Yaginuma, Tokyo, JP;
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide an aqueous film coating solution, and the like, which has good acid resistance and sustained release properties as well as the flexibility suitable for the tablet compression force and are highly productive and cost efficient. The aqueous film coating solution of the present invention comprises an ethyl acrylate/methyl methacrylate copolymer dispersion, a methacrylic acid copolymer LD, a plasticizer, titanium oxide and water, wherein the solid mass ratio of the ethyl acrylate/methyl methacrylate copolymer dispersion, the methacrylic acid copolymer LD, the plasticizer and the titanium oxide is 100:(40 to 100):(5 to 50):(5 to 30) and the solid content thereof is 5 to 20 mass %.