Patent · US Active

Film coating

US7815938B2 · kind B2 · utility

0Cited by

20References

16Claims

0Family size

Assignee

ASTRAZENECA AB · SE

Inventors

Jan-Erik Lofroth · Mölndal, SE
Staffan Schantz · Timrå, SE
Anders Welin · Mölndal, SE
Lars Johan Pontus de Verdier Hjartstam · Hermeskeil, DE

Key dates

Filing date	Sep 16, 2004
Grant date	Oct 19, 2010
Priority date	—
Expiry date	Jun 8, 2027

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A film coating composition suitable for use in coating pharmaceutical formulations to provide modified release comprising a dispersion which includes: a) an acrylic polymer, b) a vinyl acetate polymer, and c) a water-containing liquid. The film coat is useful for the achievement of modified release from pharmaceutical formulations such as tablets, pellets, etc.

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