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Class 536/39 - Comminuting


Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Processes which include physically subdividing units of
No. of patents: 2
Last issue date: 08/11/1998


NumberTitleIssue Date
5792856Process for preparing carboxyalkyl cellulose esters
This invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate). These new ether derivatives of cellulose esters exhibit solubility in a wide range...
08/11/1998
5378826Process for the preparation of a storage stable low esterified nitrocellulose moistened with alcohol or water
The present invention relates to a process for the preparation of nitrocellulose having particular properties by compression by means of contrarotating rollers....
01/03/1995
 
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