Title:
新規フィルム・コーティング
Document Type and Number:
Japanese Patent JP2005522542
Kind Code:
A
Abstract:
The present invention provides a novel film coating dispersion obtainable by the polymerization of the following monomers in water: acrylic acid or an ester thereof in the range 40 to 80% by weight; methacrylic acid or an ester thereof in the range 20 to 60% by weight; and a polymerizable surfactant in the range 0.01 to 9% by weight. The dispersion is suitable for coating pharmaceutical formulations to provide controlled release of the active ingredient.
Inventors:
Rush Johann Pontus de Verdière Jardostam
Hegdar, David W.
Stafan Shunts
Hegdar, David W.
Stafan Shunts
Application Number:
JP2003584135A
Publication Date:
July 28, 2005
Filing Date:
April 09, 2003
Export Citation:
Assignee:
ASTRAZENECA AKTIEBOLAG
International Classes:
C08F2/24; A61K9/58; C08F220/00; C08F220/12; (IPC1-7): C08F220/00; C08F2/24
Domestic Patent References:
| JPS5525165A | 1980-02-22 | |||
| JPH04264019A | 1992-09-18 | |||
| JPH0881392A | 1996-03-26 | |||
| JPS5645412A | 1981-04-25 | |||
| JPH06116528A | 1994-04-26 | |||
| JPH06296856A | 1994-10-25 | |||
| JPS6354401A | 1988-03-08 | |||
| JPH01113322A | 1989-05-02 |
Attorney, Agent or Firm:
Aoyama Aoi
Mitsutaka Iwasaki
Shoji Nakajima
Kazuaki Kojima
Mitsutaka Iwasaki
Shoji Nakajima
Kazuaki Kojima