Coated tablet
AssigneeNippon Shinyaku Co., Ltd.
InventorsHironobu Kato, Hirokazu Sakamoto
Life of this patent
Estimating the term…
Abstract
A main object of the present invention is to provide a novel coated tablet which contains a drug having a guanidino group and does not suffer an obvious color change even when packed in a one-dose pack together with a drug having a (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl (DMDO) group. The present invention provides a coated tablet characterized in that an uncoated tablet containing a drug having a guanidino group has been coated with a polyvinyl alcohol for film coating which comprises polyvinyl alcohol, acrylic acid, and methyl methacrylate.
Claims18
A method for preventing discoloration of a tablet containing a guanidino group-having drug due to close proximity with a tablet comprising a (5-methyl-2-oxo-1,3-dioxo1-4-yl)methyl (DMDO) group-having drug, said method comprises:
- providing a one-dose pack comprising:
- a coated tablet prepared by coating an uncoated tablet containing a guanidino group-having drug, with a polyvinyl alcohol copolymer for film-coating comprises polyvinyl alcohol, acrylic acid and methyl methacrylate;
- and
- a tablet comprising a drug having a (5-methyl-2-oxo-1,3-dioxol1-4-yl)methyl (DMDO) group-having drug.
Dependencies are inferred from the claim text.