Process for obtaining carboxymethyl cellulose from agro-industrial residues and carboxymethyl cellulose and use thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 23, 2016
Grant Date -
Dec 5, 2013
app pub date -
May 9, 2013
filing date -
May 9, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An advantageous and effective process for obtaining carboxymethyl cellulose (CMC) from agro-industrial residues, comprising the steps of a) Preparing the raw material, wherein the raw material is washed, dried, grounded and washed again; b) a pumping step, wherein the product obtained from the step a) is reacted with sodium hydroxide; c) a synthesis step, wherein consists in grounding the pulp; adding a solution of isopropanol and distilled water under stirring at room temperature; adding NaOH aqueous solution up to the alkalization of the mixture; adding monochloroacetic acid in isopropanol; filtrating; suspending in methanol solution and neutralizing with acetic acid. The CMC obtained from the process can be employed in a several industrial processes.
First Claim
Family
International Classification(s)
- A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
- C08H:DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- A23L:FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT....
- C08B:POLYSACCHARIDES; DERIVATIVES THEREOF
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....
- [Classification Symbol]
- [Patents Count]
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