PROCESS FOR THE PRODUCTION OF A TREATED PULP, TREATED PULP, AND TEXTILE FIBRES PRODUCED FROM THE TREATED PULP

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United States of America Patent

SERIAL NO

15526362

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Abstract

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The present invention relates to a process for the production of treated pulp comprising the steps of: i. providing a fibre source material; ii. subjecting the fibre source material to pre-hydrolysis; iii. subjecting the pre-hydrolysed fibre source material to alkaline chemical pulping process, preferably kraft pulping, to obtain an alkaline pulp; iv. optionally adjusting the pH of the obtained pulp to above pH 9; v. subjecting the alkaline pulp to a bleaching sequence comprising contacting the pulp with ozone (Z) in alkaline conditions to obtain a treated pulp. The invention also relates to a treated pulp obtained, textile fibres produced from the treated pulp, textile products comprising the textile fibres and to the use of the treated pulp.

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Patent Owner(s)

Patent OwnerAddress
INNVENTIA ABSTOCKHOLM SWE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Axegård, Peter Solna, SE 2 2
Bergnor, Elisabeth Stockholm, SE 1 0
Karlström, Katarina Järfälla, SE 1 0
Larsson, Tomas Lidingö, SE 16 105

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