DE3874683D1 - Bleichmittelzusatz. - Google Patents

Bleichmittelzusatz.

Info

Publication number
DE3874683D1
DE3874683D1 DE8888119265T DE3874683T DE3874683D1 DE 3874683 D1 DE3874683 D1 DE 3874683D1 DE 8888119265 T DE8888119265 T DE 8888119265T DE 3874683 T DE3874683 T DE 3874683T DE 3874683 D1 DE3874683 D1 DE 3874683D1
Authority
DE
Germany
Prior art keywords
pref
bleach
additive
iii
modified
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
DE8888119265T
Other languages
English (en)
Inventor
Raven Axel Dr Von
Josef Weigl
Friedrich Dr Ruf
Herbert Mayer
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.)
Evonik Operations GmbH
Original Assignee
Sued Chemie AG
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
Application filed by Sued Chemie AG filed Critical Sued Chemie AG
Priority to DE8888119265T priority Critical patent/DE3874683D1/de
Application granted granted Critical
Publication of DE3874683D1 publication Critical patent/DE3874683D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Lubricants (AREA)
DE8888119265T 1987-11-23 1988-11-19 Bleichmittelzusatz. Expired - Lifetime DE3874683D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888119265T DE3874683D1 (de) 1987-11-23 1988-11-19 Bleichmittelzusatz.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873739655 DE3739655A1 (de) 1987-11-23 1987-11-23 Bleichmittelzusatz
DE8888119265T DE3874683D1 (de) 1987-11-23 1988-11-19 Bleichmittelzusatz.

Publications (1)

Publication Number Publication Date
DE3874683D1 true DE3874683D1 (de) 1992-10-22

Family

ID=6341062

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873739655 Withdrawn DE3739655A1 (de) 1987-11-23 1987-11-23 Bleichmittelzusatz
DE8888119265T Expired - Lifetime DE3874683D1 (de) 1987-11-23 1988-11-19 Bleichmittelzusatz.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19873739655 Withdrawn DE3739655A1 (de) 1987-11-23 1987-11-23 Bleichmittelzusatz

Country Status (6)

Country Link
US (1) US5039377A (de)
EP (1) EP0317921B1 (de)
JP (1) JPH01162887A (de)
AT (1) ATE80677T1 (de)
DE (2) DE3739655A1 (de)
FI (1) FI91003C (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118899C1 (de) * 1991-06-08 1992-10-22 Degussa Ag, 6000 Frankfurt, De
CA2082557C (en) * 1992-02-24 1997-03-11 Charles W. Hankins Integrated pulping process of waste paper yielding tissue-grade paper fibers
CA2063351C (en) * 1992-03-18 1996-08-13 Stanley Alan Heimburger Process for bleaching hardwood pulp
WO1993025522A1 (en) * 1992-06-10 1993-12-23 Mitsubishi Gas Chemical Company, Inc. Process for producing thiourea dioxide and bleaching of papermaking pulp with thiourea dioxide produced thereby
US5958184A (en) * 1992-06-10 1999-09-28 Mitsubishi Gas Chemical Company Inc. Process for producing thiourea dioxide
US5447603A (en) * 1993-07-09 1995-09-05 The Dow Chemical Company Process for removing metal ions from liquids
ZA952081B (en) * 1994-03-14 1996-12-12 Procter & Gamble Granular bleaching composition
US5882476A (en) * 1995-05-05 1999-03-16 Solvay Minerals, Inc. Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate
US5998183A (en) * 1997-07-07 1999-12-07 Le Fevre; Gerard N. Enzyme immobilization on a siliceous support with a polyaldehyde cross-linking agent
US6059927A (en) 1997-09-23 2000-05-09 Queen's University At Kingston Method of reducing brightness reversion and yellowness (B*) of bleached mechanical wood pulps
DE19753271A1 (de) * 1997-12-01 1999-06-02 Sued Chemie Ag Farbentwicklerpigment für Selbstdurchschreibepapiere
FI121311B (fi) 2005-05-03 2010-09-30 M Real Oyj Menetelmä paperin- ja kartonginvalmistukseen soveltuvan mekaanisen massan valmistamiseksi
DE102007036376A1 (de) * 2007-07-31 2009-02-05 Voith Patent Gmbh Gebleichter Faserstoff
US8475584B1 (en) 2009-10-12 2013-07-02 Raymond Lee Nip Zinc clays, zinc organoclays, methods for making the same, and compositions containing the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650887A (en) * 1969-04-21 1972-03-21 Kimberly Clark Co Wood pulp bleaching process utilizing peroxide-silicate bleaching solution
DE2535283A1 (de) * 1974-10-09 1976-04-22 Degussa Bleichend bzw. oxydierend wirkende wasserunloesliche silikate mit kationenaustauschvermoegen
US4235856A (en) * 1978-12-20 1980-11-25 J. M. Huber Corporation Method of producing a zeolite of controlled particle size
JPS5685488A (en) * 1979-12-17 1981-07-11 Mitsubishi Gas Chemical Co Hydrogen peroxide refiner bleaching method of pulp
JPS6141389A (ja) * 1984-07-27 1986-02-27 日本化成株式会社 パルプの過酸化物漂白法
US4623357A (en) * 1985-04-02 1986-11-18 Lever Brothers Company Bleach compositions
US4751023A (en) * 1985-07-19 1988-06-14 Ciba-Geigy Corporation Aqueous alkaline, silicate-containing composition for bleaching cellulosic fibre materials in the presence of per compounds
JPS6225796A (ja) * 1985-07-26 1987-02-03 松下電器産業株式会社 音声認識装置
JPS6262198A (ja) * 1985-09-12 1987-03-18 株式会社　光陽社 防弾防刃用防護具

Also Published As

Publication number Publication date
EP0317921A1 (de) 1989-05-31
JPH01162887A (ja) 1989-06-27
US5039377A (en) 1991-08-13
FI91003C (fi) 1994-04-25
EP0317921B1 (de) 1992-09-16
FI885428A0 (fi) 1988-11-23
ATE80677T1 (de) 1992-10-15
FI91003B (fi) 1994-01-14
DE3739655A1 (de) 1989-06-01
FI885428A (fi) 1989-05-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DEGUSSA AG, 60311 FRANKFURT, DE

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

Owner name: DEGUSSA-HUELS AG, 60311 FRANKFURT, DE

8339 Ceased/non-payment of the annual fee