US 5,709,716 AGranted

Fibre treatment

AssigneeCourtaulds Fibres (Holdings) Limited

InventorJames Martin Taylor

Life of this patent

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Abstract

The color properties (i.e., the freedom from frosted ppearance, especially in dyed form) of lyocell fibre, in particular in fabric form, can be improved by mercerizing the fabric. The hand of the mercerized fabric can be softened to a marked degree by treatment with a cellulase enzyme.

Claims8

Dependent claims

A method of improving the colour properties of lyocell fibre, comprising the step of mercerizing the fibre.

Dependencies are inferred from the claim text.

Facts

Application: 08/704,632Filed 4 Sep 1996
Priority: GB 94045109 Mar 1994
Granted: 20 Jan 1998
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

D06P 1/6735
Salts or hydroxides: of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
D01F 2/00
Monocomponent artificial filaments or the like of cellulose or cellulose derivatives
D06M 11/40
Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table: combined with, or in absence of, mechanical tension, e.g. slack mercerising
D06M 16/003
Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic: with enzymes or microorganisms

Family

No related US applications are recorded in the indexed filing history.

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