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US 10,995,453 B2Granted
Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
AssigneeGP Cellulose GmbH
InventorsArthur J. Nonni, Charles E. Courchene, Phillip R. Campbell, Steven C. Dowdle, Joel M. Engle
Life of this patent
Estimating the term…
Abstract
A bleached softwood kraft pulp fiber with high alpha cellulose content and improved anti-yellowing is provided. Methods for making the kraft pulp fiber and products made from it are also described.
Claims10
A viscose containing product comprising:
- viscose comprising at least 5% by weight of an oxidized bleached softwood kraft fiber having a total carbonyl content of less than about 2.5 mmoles/100 g and a CED viscosity of less than about 5 mPa·s;
- and
- wherein the product is cellophane or a food casing.
Dependencies are inferred from the claim text.