Invention Publication
- Patent Title: Method of reducing pulp to powder
- Patent Title (中): Verfahren zur Herstellung von Celluloseether
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Application No.: EP00305260.2Application Date: 2000-06-21
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Publication No.: EP1065216A1Publication Date: 2001-01-03
- Inventor: Shima, Yukio, Shin-Etsu Chemical Co. Ltd. , Narita, Mitsuo, Shin-Etsu Chemical Co. Ltd. , Hatayama, Atsushi, Shin-Etsu Chemical Co. Ltd.
- Applicant: Shin-Etsu Chemical Co., Ltd.
- Applicant Address: 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 JP
- Assignee: Shin-Etsu Chemical Co., Ltd.
- Current Assignee: Shin-Etsu Chemical Co., Ltd.
- Current Assignee Address: 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 JP
- Agency: Goddard, David John
- Priority: JP18294799 19990629
- Main IPC: C08B1/06
- IPC: C08B1/06
Abstract:
Pulp is ground by means of a vertical roller mill, Figure 1. The average particle diameter of the resulting powdered pulp is adjusted to 20-300 microns. The powdered pulp thus obtained is used as a starting material for the production of cellulose ethers.
Public/Granted literature
- EP1065216B1 Method for the production of a cellulose ether Public/Granted day:2005-08-17
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