Title:
AQUEOUS COATING AGENT DISPERSION FOR DRUG VEHICLE, MANUFACTURE OF COATED DRUG VEHICLE GASTRIC JUICE-RESISTANTLYAND GASTRIC JUICE RESISTANT DRUG VEHICLE
Document Type and Number:
Japanese Patent JPS60190725
Kind Code:
A
Abstract:
Coated pharmaceutical dosage forms which are resistant to gastric juice and release their active ingredient rapidly at a predetermined pH value in the range from pH 5 to pH 8 are obtained in accordance with the invention by coating pharmaceutical dosage forms with an aqueous dispersion containing dispersed latex particles of a first polymer which contains carboxyl groups and is water soluble between pH 5 and pH 8 and of a second water insoluble film forming polymer, in a weight ratio between 60:40 and 5:95.
Inventors:
KURAUSU REEMAN
DEIITAA DOREEA
HARII GETSUTSU
DEIITAA DOREEA
HARII GETSUTSU
Application Number:
JP2665885A
Publication Date:
September 28, 1985
Filing Date:
February 15, 1985
Export Citation:
Assignee:
ROEHM GMBH
International Classes:
A61K9/28; A61K9/32; A61K9/50; A61K9/58; A61K47/32; C09D133/06; C09D133/08; C08L33/06; C08L33/08; (IPC1-7): A61K9/32; A61K9/58; A61K47/00
Domestic Patent References:
| JPS55500709A | 1980-09-25 |
Attorney, Agent or Firm:
Toshio Yano