Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CELLULOSE ETHER FILM
Document Type and Number:
Japanese Patent JP3716901
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a cellulose ether film which does not precipitate gelling auxiliary agent during long storage period, can surely keep its good appearance for a long time, and is satisfactorily applicable as a film for a hard capsule.
SOLUTION: This cellulose film uses, as a base material, a cellulose ether prepared by replacing a part of hydroxide group of a cellulose with an alkyl group and/or an hydroxyalkyl group, and compounding a gelling agent and a gelling auxiliary agent, and in which the total content of alkoxyl group and hydroxyalkoxyl group is controlled to not higher than 37.6 wt.%.


Inventors:
Seinosuke Matsuura
Tangami Masaru
Application Number:
JP10668999A
Publication Date:
November 16, 2005
Filing Date:
April 14, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Shionogi Qualica Inc.
International Classes:
A61K9/48; A61K47/38; C08B11/00; C08J5/18; C08L1/28; (IPC1-7): C08B11/00; C08J5/18; C08L1/28
Domestic Patent References:
JP8208458A
JP6116139A
JP415208B2
Attorney, Agent or Firm:
Takashi Kojima
Yuko Nishikawa