Patent · US Active

Coating film, and granules and tablets each utilizing same

US8992988B2 · kind B2 · utility

1Cited by

1References

9Claims

0Family size

Assignee

ASAHI KASEI CHEMICALS CORPORATION · JP

Inventors

Naoya Yoshida · Tokyo, JP
Kazuhiro Obae · Nobeoka, JP

Key dates

Filing date	Oct 6, 2010
Grant date	Mar 31, 2015
Priority date	—
Expiry date	Sep 7, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D133/10
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A coating film comprising ethyl cellulose as a component A and an (ethyl acrylate)-(methyl methacrylate) copolymer or a plasticized vinyl acetate polymer as a component B, and having a tensile elongation of 150% or more and a tensile strength of 9 N or more.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.