FI944808L - Menetelmä selluloosamassojen käsittelemiseksi - Google Patents

Menetelmä selluloosamassojen käsittelemiseksi Download PDF

Info

Publication number: FI944808L
Authority: FI; Finland
Prior art keywords: treating cellulose; cellulose pulps; pulps; treating; cellulose
Prior art date: 1994-10-13

Application number

FI944808A

Other languages

English (en)

Swedish (sv)

Other versions

FI944808A0 (fi

FI102301B1 (fi

FI102301B (fi

Inventor

Tapani Vuorinen

Johanna Buchert

Anita Teleman

Maija Tenkanen

Original Assignee

Ahlstroem Oy

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.)

1994-10-13

Filing date

1994-10-13

Publication date

1996-04-14

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8541578&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI944808(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1994-10-13 Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy

1994-10-13 Priority to FI944808A priority Critical patent/FI102301B/fi

1994-10-13 Publication of FI944808A0 publication Critical patent/FI944808A0/fi

1995-10-12 Priority to PT95934164T priority patent/PT786029E/pt

1995-10-12 Priority to RU97107353A priority patent/RU2126862C1/ru

1995-10-12 Priority to ES95934164T priority patent/ES2147303T3/es

1995-10-12 Priority to AU36559/95A priority patent/AU3655995A/en

1995-10-12 Priority to PCT/FI1995/000566 priority patent/WO1996012063A1/en

1995-10-12 Priority to CA002160430A priority patent/CA2160430C/en

1995-10-12 Priority to JP1996512965A priority patent/JP3534412B6/ja

1995-10-12 Priority to FI971508A priority patent/FI971508A0/fi

1995-10-12 Priority to CN95196599A priority patent/CN1075143C/zh

1995-10-12 Priority to NZ293983A priority patent/NZ293983A/en

1995-10-12 Priority to EP95934164A priority patent/EP0786029B1/en

1995-10-12 Priority to DE69517532T priority patent/DE69517532D1/de

1995-10-13 Priority to SE9503595A priority patent/SE518080C2/sv

1995-10-13 Priority to ZA958655A priority patent/ZA958655B/xx

1996-04-14 Publication of FI944808L publication Critical patent/FI944808L/fi

1997-04-11 Priority to NO971682A priority patent/NO971682L/no

1997-09-08 Priority to US08/925,321 priority patent/US6776876B1/en

1998-11-13 Publication of FI102301B1 publication Critical patent/FI102301B1/fi

1998-11-13 Publication of FI102301B publication Critical patent/FI102301B/fi

1998-11-13 Application granted granted Critical

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
- D21C9/001—Modification of pulp properties
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

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

FI944808A 1994-10-13 1994-10-13 Menetelmä selluloosamassojen käsittelemiseksi FI102301B (fi)

Priority Applications (17)

Application Number	Priority Date	Filing Date	Title
FI944808A FI102301B (fi)	1994-10-13	1994-10-13	Menetelmä selluloosamassojen käsittelemiseksi
DE69517532T DE69517532D1 (de)	1994-10-13	1995-10-12	Verfahren zum entfernen von hexenuronsäuregruppen in zellstoffbrei durch wärmebehandlung
CN95196599A CN1075143C (zh)	1994-10-13	1995-10-12	通过热处理除去纤维素纸浆中己烯糖醛酸类的方法
NZ293983A NZ293983A (en)	1994-10-13	1995-10-12	Treatment of sulphate pulp at acidic ph and elevated temperature to remove hexenuronic acid
ES95934164T ES2147303T3 (es)	1994-10-13	1995-10-12	Procedimiento de eliminacion de grupos de acido hexenuronico en la pasta de celulosa mediante tratamiento termico.
AU36559/95A AU3655995A (en)	1994-10-13	1995-10-12	Method for removal of hexenuronic acid groups in cellulose pulp by heat treatment
PCT/FI1995/000566 WO1996012063A1 (en)	1994-10-13	1995-10-12	Method for removal of hexenuronic acid groups in cellulose pulp by heat treatment
CA002160430A CA2160430C (en)	1994-10-13	1995-10-12	Method of treating cellulose pulps
JP1996512965A JP3534412B6 (ja)	1994-10-13	1995-10-12	セルロースパルプ中のヘキセンウロン酸基を熱処理により除去する方法
FI971508A FI971508A0 (fi)	1994-10-13	1995-10-12	Menetelmä heksenuronihapporyhmien poistamiseksi selluloosamassasta lämpökäsittelyllä
PT95934164T PT786029E (pt)	1994-10-13	1995-10-12	Processo para a remocao de grupos de acido hexeno-uronico em folha de celulose por tratamento termico
RU97107353A RU2126862C1 (ru)	1994-10-13	1995-10-12	Способ удаления групп гексенуроновых кислот из целлюлозы путем термообработки
EP95934164A EP0786029B1 (en)	1994-10-13	1995-10-12	Method for removal of hexenuronic acid groups in cellulose pulp by heat treatment
ZA958655A ZA958655B (en)	1994-10-13	1995-10-13	Method of treating cellulose pulps
SE9503595A SE518080C2 (sv)	1994-10-13	1995-10-13	Behandling av massa med syra för att avlägsna hexenuronsyragrupper
NO971682A NO971682L (no)	1994-10-13	1997-04-11	Fremgangsmåte for fjerning av heksenuronsyregrupper i cellulosemasse ved varmebehandling
US08/925,321 US6776876B1 (en)	1994-10-13	1997-09-08	Method of treating cellulosic pulp to remove hexenuronic acid

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI944808		1994-10-13
FI944808A FI102301B (fi)	1994-10-13	1994-10-13	Menetelmä selluloosamassojen käsittelemiseksi

Publications (4)

Publication Number	Publication Date
FI944808A0 FI944808A0 (fi)	1994-10-13
FI944808L true FI944808L (fi)	1996-04-14
FI102301B1 FI102301B1 (fi)	1998-11-13
FI102301B FI102301B (fi)	1998-11-13

Family

ID=8541578

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FI944808A FI102301B (fi)	1994-10-13	1994-10-13	Menetelmä selluloosamassojen käsittelemiseksi
FI971508A FI971508A0 (fi)	1994-10-13	1995-10-12	Menetelmä heksenuronihapporyhmien poistamiseksi selluloosamassasta lämpökäsittelyllä

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FI971508A FI971508A0 (fi)	1994-10-13	1995-10-12	Menetelmä heksenuronihapporyhmien poistamiseksi selluloosamassasta lämpökäsittelyllä

Country Status (14)

Country	Link
EP (1)	EP0786029B1 (fi)
CN (1)	CN1075143C (fi)
AU (1)	AU3655995A (fi)
CA (1)	CA2160430C (fi)
DE (1)	DE69517532D1 (fi)
ES (1)	ES2147303T3 (fi)
FI (2)	FI102301B (fi)
NO (1)	NO971682L (fi)
NZ (1)	NZ293983A (fi)
PT (1)	PT786029E (fi)
RU (1)	RU2126862C1 (fi)
SE (1)	SE518080C2 (fi)
WO (1)	WO1996012063A1 (fi)
ZA (1)	ZA958655B (fi)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI105701B (fi) *	1995-10-20	2000-09-29	Ahlstrom Machinery Oy	Menetelmä ja laitteisto massan käsittelemiseksi
US6331354B1 (en)	1996-08-23	2001-12-18	Weyerhaeuser Company	Alkaline pulp having low average degree of polymerization values and method of producing the same
US6235392B1 (en)	1996-08-23	2001-05-22	Weyerhaeuser Company	Lyocell fibers and process for their preparation
US6605350B1 (en)	1996-08-23	2003-08-12	Weyerhaeuser Company	Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
US6306334B1 (en)	1996-08-23	2001-10-23	The Weyerhaeuser Company	Process for melt blowing continuous lyocell fibers
US6210801B1 (en)	1996-08-23	2001-04-03	Weyerhaeuser Company	Lyocell fibers, and compositions for making same
US6221487B1 (en)	1996-08-23	2001-04-24	The Weyerhauser Company	Lyocell fibers having enhanced CV properties
BE1010677A3 (fr) *	1996-10-11	1998-11-03	Solvay Interox	Procede de delignification et de blanchiment de pate a papier chimique.
BE1010880A3 (fr) *	1997-01-27	1999-02-02	Solvay Interox	Procede de fabrication de pate a papier chimique.
FI122654B (fi) *	1997-12-08	2012-05-15	Ovivo Luxembourg Sarl	Menetelmä paperisellumassan valmistamiseksi
FI119383B (fi) *	1998-03-06	2008-10-31	Andritz Oy	Menetelmä massan käsittelemiseksi
US6685856B2 (en)	1999-02-24	2004-02-03	Weyerhaeuser Company	Use of thinnings and other low specific gravity wood for lyocell products method
US6797113B2 (en)	1999-02-24	2004-09-28	Weyerhaeuser Company	Use of thinnings and other low specific gravity wood for lyocell pulps method
US6686040B2 (en)	1999-02-24	2004-02-03	Weyerhaeuser Company	Use of thinnings and other low specific gravity wood for lyocell products
US6686039B2 (en)	1999-02-24	2004-02-03	Weyerhaeuser Company	Use of thinnings and other low specific gravity wood for lyocell pulps
WO2000075420A1 (en) *	1999-06-08	2000-12-14	Eastern Pulp And Paper Corporation	Bleaching pulp with high-pressure o¿2?
SE516090C2 (sv) *	2000-05-31	2001-11-19	Kvaerner Pulping Tech	Förfarande för reglering av en process för tillverkning av pappersmassa genom optisk mätning av mängden hexenuronsyra
JP4603298B2 (ja) *	2004-06-08	2010-12-22	日本製紙株式会社	パルプの漂白方法
US20060201642A1 (en) *	2005-03-08	2006-09-14	Andritz Inc.	Methods of treating chemical cellulose pulp
FI122626B (fi) *	2006-03-31	2012-04-30	Laennen Tutkimus Western Res Inc Oy	Kemiallisen massan valkaisumenetelmä
US20070240837A1 (en) *	2006-04-13	2007-10-18	Andritz Inc.	Hardwood alkaline pulping processes and systems
ZA200805042B (en) *	2007-06-18	2009-09-30	Andritz Inc	Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone
US8262856B2 (en)	2007-06-18	2012-09-11	Andritz Inc.	Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone
CN102995478B (zh) *	2011-09-09	2015-04-15	吉林化纤集团有限责任公司	一种制备高质量低污染竹材溶解浆的漂白方法
FI123926B (fi)	2012-04-03	2013-12-13	Upm Kymmene Corp	Menetelmä sellun valkaisemiseksi
CN105518212B (zh) *	2013-09-11	2018-09-04	日本制纸株式会社	溶解牛皮纸浆的制造方法
US20150184338A1 (en)	2013-12-31	2015-07-02	Weyerhaeuser Nr Company	Treated kraft pulp compositions and methods of making the same
CN104404807A (zh) *	2014-09-23	2015-03-11	广西大学	一种减少蔗渣浆二氧化氯漂白过程aox形成量的方法
FI128736B (fi) *	2018-03-09	2020-11-13	Valmet Automation Oy	Menetelmä ja mittauslaite suspension mittaamiseksi
CN110258160A (zh) *	2019-07-23	2019-09-20	广西大学	一种安全节能高效的高温二氧化氯纸浆漂白方法及漂白装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1601408A (fi) *	1967-06-20	1970-08-24
SU1514855A1 (ru) *	1987-05-15	1989-10-15	Институт Органической Химии Ан Киргсср	Способ получени целлюлозы дл химической переработки
SE466061B (sv) *	1990-04-23	1991-12-09	Eka Nobel Ab	Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
SE470065C (sv) *	1991-04-30	1996-01-15	Eka Nobel Ab	Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
FI89613C (fi) *	1991-12-05	1993-10-25	Valtion Teknillinen	Foerfarande foer enzymatisk behandling av cellulosamassor

1994
- 1994-10-13 FI FI944808A patent/FI102301B/fi active
1995
- 1995-10-12 FI FI971508A patent/FI971508A0/fi unknown
- 1995-10-12 RU RU97107353A patent/RU2126862C1/ru active
- 1995-10-12 EP EP95934164A patent/EP0786029B1/en not_active Revoked
- 1995-10-12 DE DE69517532T patent/DE69517532D1/de not_active Expired - Lifetime
- 1995-10-12 ES ES95934164T patent/ES2147303T3/es not_active Expired - Lifetime
- 1995-10-12 CN CN95196599A patent/CN1075143C/zh not_active Expired - Lifetime
- 1995-10-12 WO PCT/FI1995/000566 patent/WO1996012063A1/en not_active Ceased
- 1995-10-12 AU AU36559/95A patent/AU3655995A/en not_active Abandoned
- 1995-10-12 CA CA002160430A patent/CA2160430C/en not_active Expired - Lifetime
- 1995-10-12 NZ NZ293983A patent/NZ293983A/en not_active IP Right Cessation
- 1995-10-12 PT PT95934164T patent/PT786029E/pt unknown
- 1995-10-13 SE SE9503595A patent/SE518080C2/sv not_active IP Right Cessation
- 1995-10-13 ZA ZA958655A patent/ZA958655B/xx unknown
1997
- 1997-04-11 NO NO971682A patent/NO971682L/no not_active Application Discontinuation

Also Published As

Publication number	Publication date
CN1075143C (zh)	2001-11-21
RU2126862C1 (ru)	1999-02-27
SE9503595D0 (sv)	1995-10-13
FI971508L (fi)	1997-04-10
NO971682D0 (no)	1997-04-11
WO1996012063A1 (en)	1996-04-25
EP0786029B1 (en)	2000-06-14
SE9503595L (sv)	1996-04-14
FI944808A0 (fi)	1994-10-13
PT786029E (pt)	2000-09-29
JP3534412B2 (ja)	2004-06-07
JPH10508346A (ja)	1998-08-18
NO971682L (no)	1997-06-11
AU3655995A (en)	1996-05-06
FI102301B1 (fi)	1998-11-13
FI971508A7 (fi)	1997-04-10
CN1168706A (zh)	1997-12-24
ZA958655B (en)	1996-05-13
SE518080C2 (sv)	2002-08-20
EP0786029A1 (en)	1997-07-30
DE69517532D1 (de)	2000-07-20
FI971508A0 (fi)	1997-04-10
CA2160430A1 (en)	1996-04-14
ES2147303T3 (es)	2000-09-01
NZ293983A (en)	1999-04-29
FI102301B (fi)	1998-11-13
CA2160430C (en)	2004-12-07

Publication	Publication Date	Title
FI944808L (fi)	1996-04-14	Menetelmä selluloosamassojen käsittelemiseksi
FI942969L (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
FI954677L (fi)	1995-10-02	Paperinvalmistusprosessi
FI954676A7 (fi)	1995-10-02	Paperinvalmistusprosessi
FI960145L (fi)	1996-01-12	Menetelmä sellun valmistamiseksi
FI961901A7 (fi)	1996-05-03	Menetelmä selluloosakuitujen valmistamiseksi
FI962477A7 (fi)	1996-08-14	Menetelmä valkaistun selluloosamassan valmistamiseksi
FI970303L (fi)	1997-12-01	Menetelmä kemiallisen massan valkaisemiseksi
FI942968A7 (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
FI944348L (fi)	1996-03-20	Menetelmä kraft-massan valkaisemiseksi
FI942970L (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
FI970961A7 (fi)	1997-03-13	Menetelmä ja laite selluloosamassan valmistamiseksi jatkuvatoimisesti
FI905954A7 (fi)	1992-06-04	Menetelmä selluloosamassan valkaisemiseksi
FI964715A7 (fi)	1998-05-27	Menetelmä selluloosamassan valkaisemiseksi
FI970419A7 (fi)	1997-08-03	Menetelmä selluloosamassan valmistamiseksi
FI974145L (fi)	1999-05-06	Menetelmä selluloosamassojen suotautuvuuden parantamiseksi
FI905456A7 (fi)	1992-05-03	Menetelmä selluloosamassan valkaisemiseksi
FI974284L (fi)	1997-11-19	Selluloosamassan valkaisumenetelmä
FI942424L (fi)	1994-11-27	Parannettu menetelmä massan valkaisemiseksi
FI951166A7 (fi)	1995-09-15	Massan valkaisumenetelmä
FI950785L (fi)	1996-08-22	Menetelmä massan valkaisemiseksi
FI950200A7 (fi)	1995-09-17	Menetelmä massan valkaisemiseksi
FI974029L (fi)	1999-04-23	Menetelmä selluloosamassan käsittelemiseksi
BR9505211A (pt)	1997-09-16	Método tratamento de polpas de celulose
FI971023A7 (fi)	1997-03-18	Menetelmä kraft-massan valkaisemiseksi

Legal Events

Date	Code	Title	Description
1995-03-30	GB	Transfer or assigment of application	Owner name: AHLSTROM MACHINERY OY
1995-11-01	GB	Transfer or assigment of application	Owner name: AHLSTROM MACHINERY OY
1997-01-14	GB	Transfer or assigment of application	Owner name: AHLSTROM MACHINERY OY
2004-09-06	RF	Appeal filed
2006-02-20	RF	Appeal filed
2007-06-18	FCK	Appeal rejected	Free format text: APPLICATION REJECTED