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Article: German Inventors Develop Cellulose Fibers Production Method
- Article from:
- US Fed News Service, Including US State News
- Article date:
- September 6, 2007
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ALEXANDRIA, Va., Sept. 6 -- Birgit Kosan and Christoph Michels, both of Rudolstadt, Germany, have developed cellulose fibers production method.
An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "A method for the production of cellulose fibers or filaments from cell material, by the dry-wet extrusion method with aqueous amine oxides, in particular, N-methylmorpholine-N-oxide as solve is described comprising the following steps: dispersion of a cell material, or a cell material mixture with a cuoxam dry point from 250-3000, in aqueous amine oxide, transformation of the obtained dispersion, by water evaporation with shear, at elevated temperature, into a ...