DE69221735T2 - Verfahren zur verringerung des niveaus von störenden chemikalien im wasserkreislauf von fasersuspensionsprozessen auf holzbasis - Google Patents

Verfahren zur verringerung des niveaus von störenden chemikalien im wasserkreislauf von fasersuspensionsprozessen auf holzbasis

Info

Publication number
DE69221735T2
DE69221735T2 DE69221735T DE69221735T DE69221735T2 DE 69221735 T2 DE69221735 T2 DE 69221735T2 DE 69221735 T DE69221735 T DE 69221735T DE 69221735 T DE69221735 T DE 69221735T DE 69221735 T2 DE69221735 T2 DE 69221735T2
Authority
DE
Germany
Prior art keywords
reducing
pct
level
water circuit
fiber suspension
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69221735T
Other languages
English (en)
Other versions
DE69221735T3 (de
DE69221735D1 (de
Inventor
Tapio Vihervaara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Schweiz AG
Original Assignee
Raisio Chemicals 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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8533471&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69221735(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Raisio Chemicals Oy filed Critical Raisio Chemicals Oy
Application granted granted Critical
Publication of DE69221735D1 publication Critical patent/DE69221735D1/de
Publication of DE69221735T2 publication Critical patent/DE69221735T2/de
Publication of DE69221735T3 publication Critical patent/DE69221735T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D21H17/29—Starch cationic

Landscapes

  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Paper (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
DE69221735T 1991-11-11 1992-11-09 Verfahren zur verringerung des niveaus von störenden chemikalien im wasserkreislauf von fasersuspensionsprozessen auf holzbasis Expired - Lifetime DE69221735T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI915310A FI91428C (fi) 1991-11-11 1991-11-11 Menetelmä puuperäisten kuitususpensioprosessien vesikierron häiriökemikaalien määrän vähentämiseksi
PCT/FI1992/000303 WO1993010305A1 (en) 1991-11-11 1992-11-09 A method for reducing the level of interference chemicals in the water circulation of wood-based fibre suspension processes

Publications (3)

Publication Number Publication Date
DE69221735D1 DE69221735D1 (de) 1997-10-16
DE69221735T2 true DE69221735T2 (de) 1998-03-26
DE69221735T3 DE69221735T3 (de) 2003-11-20

Family

ID=8533471

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69221735T Expired - Lifetime DE69221735T3 (de) 1991-11-11 1992-11-09 Verfahren zur verringerung des niveaus von störenden chemikalien im wasserkreislauf von fasersuspensionsprozessen auf holzbasis
DE0626022T Pending DE626022T1 (de) 1991-11-11 1992-11-09 Verfahren zur verringerung des niveaus von störenden chemikalien im wasserkreislauf von fasersuspensionsprozessen auf holzbasis.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0626022T Pending DE626022T1 (de) 1991-11-11 1992-11-09 Verfahren zur verringerung des niveaus von störenden chemikalien im wasserkreislauf von fasersuspensionsprozessen auf holzbasis.

Country Status (9)

Country Link
US (1) US5578169A (de)
EP (1) EP0626022B2 (de)
AT (1) ATE157132T1 (de)
CA (1) CA2123431C (de)
DE (2) DE69221735T3 (de)
DK (1) DK0626022T4 (de)
ES (1) ES2106200T5 (de)
FI (1) FI91428C (de)
WO (1) WO1993010305A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI93664C (fi) * 1993-11-12 1995-05-10 Raisio Chem Oy Kierrätettävän paperituotteen valmistaminen
DE19610995C2 (de) * 1996-03-21 2002-12-19 Betzdearborn Inc Papierleimungsmittel und -verfahren
FI107174B (fi) * 1998-07-10 2001-06-15 Raisio Chem Oy Paperinvalmistuksen lisäainekoostumus
FI107173B (fi) * 1998-07-10 2001-06-15 Raisio Chem Oy Paperinvalmistuksen lisäaine
US6716313B2 (en) 1998-07-10 2004-04-06 Raisio Chemicals, Ltd. Additive for paper making
FI105565B (fi) 1999-02-05 2000-09-15 Raisio Chem Oy Polymeeridispersio ja menetelmä sen valmistamiseksi
FR2810042B1 (fr) * 2000-06-13 2004-04-16 Roquette Freres Nouvelle composition amylacee contenant une matiere amylacee cationique
JP3265394B1 (ja) * 2001-03-14 2002-03-11 泰三 矢野 アクリル系樹脂手袋
FI20115690A0 (fi) 2011-06-30 2011-06-30 Kemira Oyj Fiksatiivikoostumus, sakeamassakoostumus ja menetelmä hydrofobisten ja/tai anionisten aineiden kiinnittämiseksi kuituihin
FR2992967B1 (fr) 2012-07-06 2016-01-22 Roquette Freres Melanges de polyvinylamines et de compositions de matieres amylacees cationiques liquides comme agents ameliorant la resistance a sec des papiers et des cartons

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876217A (en) * 1956-12-31 1959-03-03 Corn Products Co Starch ethers containing nitrogen and process for making the same
US3842005A (en) * 1970-07-01 1974-10-15 Staley Mfg Co A E Process of flocculating aqueous suspensions with cationic starch ethers
FR2434821A1 (fr) † 1978-08-31 1980-03-28 Roquette Freres Procede de cationisation de l'amidon, nouveaux amidons cationises ainsi obtenus et leurs applications
US4281109A (en) * 1980-03-03 1981-07-28 National Starch And Chemical Corporation Pollution-free cationization of starch
FR2557166B1 (fr) * 1983-10-27 1986-07-04 Roquette Freres Additif cationique de masse pour la fabrication du papier comprenant un melange d'au moins un amidon de cereale et d'au moins un amidon de tubercule cationique et son procede de fabrication
US4840705A (en) * 1987-02-02 1989-06-20 Nissan Chemical Industries Ltd. Papermaking method
DE3726427A1 (de) † 1987-08-08 1989-02-16 Degussa Verfahren zur trockenkationisierung von staerke ii
US5122231A (en) * 1990-06-08 1992-06-16 Cargill, Incorporated Cationic cross-linked starch for wet-end use in papermaking
JP3112710B2 (ja) † 1991-07-15 2000-11-27 ユニ・チャーム株式会社 パンツ型着用物品の接合方法およびその装置

Also Published As

Publication number Publication date
DK0626022T3 (da) 1998-03-23
DK0626022T4 (da) 2003-02-17
FI915310A0 (fi) 1991-11-11
DE69221735T3 (de) 2003-11-20
WO1993010305A1 (en) 1993-05-27
ATE157132T1 (de) 1997-09-15
DE69221735D1 (de) 1997-10-16
FI91428B (fi) 1994-03-15
EP0626022B2 (de) 2002-10-23
US5578169A (en) 1996-11-26
CA2123431C (en) 2006-03-14
CA2123431A1 (en) 1993-05-27
ES2106200T5 (es) 2003-02-16
FI915310A (fi) 1993-05-12
DE626022T1 (de) 1997-09-11
ES2106200T3 (es) 1997-11-01
FI91428C (fi) 1994-06-27
EP0626022A1 (de) 1994-11-30
EP0626022B1 (de) 1997-08-20

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: CIBA SPECIALITY CHEMICALS HOLDING INC., BASEL, CH

8327 Change in the person/name/address of the patent owner

Owner name: CIBA HOLDING INC., BASEL, CH

R071 Expiry of right

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