US 2015/0308049 A1Published application

Chlorine dioxide treatment compositions and processes

AssigneesNovozymes A/S, Novozymes North America, Inc.

InventorsHui Xu, Kim Bloomfield, Henrik Lund

Life of this patent

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Abstract

The present invention relates to methods and compositions for chlorine dioxide delignification and/or bleaching processes by reacting pulp with chlorine dioxide and a peroxidase and/or a laccase.

Claims4

Dependent claims

A method for delignifying and/or bleaching of a pulp, comprising reacting chlorine dioxide, a haloperoxidase and a pulp.

Dependencies are inferred from the claim text.

Facts

Application: 14/795,630Filed 9 Jul 2015
Priority: 3 May 2004
Published: 29 Oct 2015
Term ends: Not estimatedThe source records don’t support an estimate.

Classification13 codes

D21H 17/74
Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes: of organic and inorganic material
C02F 1/76
By oxidation: with halogens or compounds of halogens
C02F 3/342
Characterised by the microorganisms used: characterised by the enzymes used
D21C 5/005
Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting…:…

Family

Application60/567,488Us provisional application · filed 3 May 2004
Application11/910,987Division · filed 27 Nov 2007
Application14/795,630Division
US 2008/0190573 A1Published application
US 2015/0308049 A1This patent

From the US filing history. Foreign family members aren’t listed.

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