BRPI0719893A2 - PULP BLEACHING - Google Patents

PULP BLEACHING

Info

Publication number: BRPI0719893A2
Authority: BR; Brazil
Prior art keywords: pulp bleaching; bleaching; pulp
Prior art date: 2006-10-11

Application number

BRPI0719893-0A2A

Other languages

Portuguese (pt)

Inventor

Magnus Bjoerklund

Thomas Christopher Greschik

Hakan Faegersten

Original Assignee

Akzo Nobel Nv

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2006-10-11

Filing date

2007-09-06

Publication date

2014-05-06

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37807769&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0719893(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2007-09-06 Application filed by Akzo Nobel Nv filed Critical Akzo Nobel Nv

2014-05-06 Publication of BRPI0719893A2 publication Critical patent/BRPI0719893A2/en

Links

238000004076 pulp bleaching Methods 0.000 title 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

BRPI0719893-0A2A 2006-10-11 2007-09-06 PULP BLEACHING BRPI0719893A2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP06122119		2006-10-11
PCT/SE2007/050630 WO2008044988A1 (en)	2006-10-11	2007-09-06	Bleaching of pulp

Publications (1)

Publication Number	Publication Date
BRPI0719893A2 true BRPI0719893A2 (en)	2014-05-06

Family

ID=37807769

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI0719893-0A2A BRPI0719893A2 (en)	2006-10-11	2007-09-06	PULP BLEACHING

Country Status (12)

Country	Link
EP (1)	EP2082096B1 (en)
AR (1)	AR063160A1 (en)
BR (1)	BRPI0719893A2 (en)
CA (1)	CA2665969C (en)
CL (1)	CL2007002906A1 (en)
EA (1)	EA013901B1 (en)
ES (1)	ES2403371T3 (en)
NO (1)	NO20091815L (en)
PT (1)	PT2082096E (en)
UY (1)	UY30634A1 (en)
WO (1)	WO2008044988A1 (en)
ZA (1)	ZA200903205B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI20105862A0 (en)	2010-08-18	2010-08-18	Bo Akademi University	METHOD FOR REMOVING HEXENURURIC ACIDS
BR112016002498B1 (en)	2013-08-09	2022-05-24	Novozymes A/S	Method for reducing the content of hexenuronic acids in a chemical pulp and/or improving the brightness of chemical pulp and using a haloperoxidase

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3501374A (en) *	1968-12-26	1970-03-17	Hooker Chemical Corp	Sequential bleaching of kraft pulp with chlorine dioxide and chlorine
US5268075A (en) *	1989-10-19	1993-12-07	North Carolina State University	High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
US5030324A (en) *	1990-01-29	1991-07-09	Champion International Corporation	Sequential bleaching procedure using chlorine and chlorine dioxide in a first chlorination stage of a multistage bleaching process
US6776876B1 (en) *	1994-10-13	2004-08-17	Andritz Oy	Method of treating cellulosic pulp to remove hexenuronic acid
FI119383B (en) *	1998-03-06	2008-10-31	Andritz Oy	Procedure for treating pulp
WO2002099186A1 (en) *	2001-06-06	2002-12-12	Kvaerner Pulping Ab	Reduction of organically bound chlorine formed in chlorine dioxide bleaching
US20060201642A1 (en) *	2005-03-08	2006-09-14	Andritz Inc.	Methods of treating chemical cellulose pulp

2007
- 2007-09-06 WO PCT/SE2007/050630 patent/WO2008044988A1/en not_active Ceased
- 2007-09-06 PT PT07808867T patent/PT2082096E/en unknown
- 2007-09-06 BR BRPI0719893-0A2A patent/BRPI0719893A2/en not_active Application Discontinuation
- 2007-09-06 ES ES07808867T patent/ES2403371T3/en active Active
- 2007-09-06 EA EA200970367A patent/EA013901B1/en not_active IP Right Cessation
- 2007-09-06 CA CA2665969A patent/CA2665969C/en not_active Expired - Fee Related
- 2007-09-06 EP EP07808867A patent/EP2082096B1/en not_active Not-in-force
- 2007-10-08 UY UY30634A patent/UY30634A1/en not_active Application Discontinuation
- 2007-10-09 CL CL2007002906A patent/CL2007002906A1/en unknown
- 2007-10-09 AR ARP070104434 patent/AR063160A1/en active IP Right Grant
2009
- 2009-05-08 ZA ZA200903205A patent/ZA200903205B/en unknown
- 2009-05-08 NO NO20091815A patent/NO20091815L/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
PT2082096E (en)	2013-04-26
EA200970367A1 (en)	2009-08-28
NO20091815L (en)	2009-07-10
UY30634A1 (en)	2007-11-30
EP2082096A1 (en)	2009-07-29
WO2008044988A1 (en)	2008-04-17
AR063160A1 (en)	2008-12-30
CA2665969A1 (en)	2008-04-17
EA013901B1 (en)	2010-08-30
ES2403371T3 (en)	2013-05-17
CA2665969C (en)	2016-04-12
ZA200903205B (en)	2010-03-31
CL2007002906A1 (en)	2008-05-02
EP2082096B1 (en)	2013-02-20

Legal Events

Date	Code	Title	Description
2017-12-12	B07A	Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
2018-03-06	B25A	Requested transfer of rights approved	Owner name: AKZO NOBEL CHEMICALS INTERNATIONAL B.V. (NL)
2018-05-29	B09B	Patent application refused [chapter 9.2 patent gazette]
2018-08-14	B12B	Appeal against refusal [chapter 12.2 patent gazette]
2024-12-24	B11D	Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time

Publication	Publication Date	Title
EP1984563A4 (en)	2013-11-27	REFINER
BRPI0715704A2 (en)	2013-09-17	quadrilong handkerchiefs
FI20075862A0 (en)	2007-11-30	Refiner
CR10841A (en)	2009-06-30	IMIDAZOTRIAZINAS IMIDAZOPIRIMIDINAS INHIBIDORES DE CINASA
EP1996823A4 (en)	2013-03-06	NUT-RIVET
DE602007000508D1 (en)	2009-03-19	dryer
EP2054545A4 (en)	2010-01-20	DRYER
DE502007001364D1 (en)	2009-10-01	TEVORRICHTUNG
ITRA20060072A1 (en)	2008-05-25	GINNICA MACHINE
EP2069568A4 (en)	2013-08-21	DRYER
EP2198082A4 (en)	2013-10-23	REFINER
ATE520316T1 (en)	2011-09-15	FIBER
DK1911769T3 (en)	2014-01-13	cellulose
FI20075688A0 (en)	2007-09-28	Refiner
ITMI20070055U1 (en)	2007-08-24	LAUNDRY
PT2062053E (en)	2013-02-11	IMMUNO-METHODS IMPROVED
FI20060313L (en)	2007-10-01	Chemical pulp bleaching method
EP2344695A4 (en)	2013-09-11	BLEACH PROCEDURE
FI20060314L (en)	2007-10-01	Chemical pulp bleaching method
DE502006003727D1 (en)	2009-06-25	Spindles
ZA200903205B (en)	2010-03-31	Bleaching of pulp
ES1062979Y (en)	2006-12-01	DEFROSTING-SEPARATING MACHINE
ATE412728T1 (en)	2008-11-15	BLEACH
ES1063153Y (en)	2007-01-01	SHORT-COLLECTION MACHINE FORRAJE
FI20080329A0 (en)	2008-05-02	Refiner