Methods for preparing alkali cellulose and cellulose ether
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 3, 2017
Grant Date -
Jun 28, 2007
app pub date -
Dec 22, 2006
filing date -
Dec 27, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention is an efficient method for preparing alkali cellulose having the low water content and a uniform alkali distribution therein. More specifically, the invention is a method for continuously preparing alkali cellulose comprising steps of bringing pulp into continuous contact with an alkali metal hydroxide solution to generate a contact mixture and then draining the contact mixture by a centrifugal separator. The invention also includes a method for preparing cellulose ether comprising a step of etherifying the alkali cellulose.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully