Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
セルロース系ポリマーの製造方法
Document Type and Number:
Japanese Patent JP4115658
Kind Code:
B2
Abstract:
A producing method of a cellulose polymer powder is provided, which comprises dissolving a cellulose polymer by exposure to an organic solvent containing, as the main component, an ester-based solvent having from 2 to 8 carbon atoms, a ketone-based solvent having from 4 to 10 carbon atoms, or an alcohol-based solvent having from 3 to 6 carbon atoms, and carbon dioxide, and then removing the carbon dioxide and the organic solvent from the solution. A producing method of an organic solvent solution of a cellulose polymer is also provided.

Inventors:
Tadahisa Sato
Kazuyoshi Yamakawa
Hiroshi Onishi
Tadahiro Tsujimoto
Application Number:
JP2000313651A
Publication Date:
July 09, 2008
Filing Date:
October 13, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUJIFILM Corporation
International Classes:
C08J3/12; C08B3/22; C08B11/20; C08J3/11; C08J3/14
Domestic Patent References:
JP6228473A
JP2000256468A
JP8134101A
JP8232115A
Attorney, Agent or Firm:
Toshizo Iida



 
Previous Patent: JPS4115657

Next Patent: JPS4115659