DE3676490D1 - PULP PRE-TREATMENT PROCESS WITH STABILIZING AGENTS AND PEROXIDE BEFORE MECHANICAL REFINING. - Google Patents

PULP PRE-TREATMENT PROCESS WITH STABILIZING AGENTS AND PEROXIDE BEFORE MECHANICAL REFINING.

Info

Publication number
DE3676490D1
DE3676490D1 DE8686905113T DE3676490T DE3676490D1 DE 3676490 D1 DE3676490 D1 DE 3676490D1 DE 8686905113 T DE8686905113 T DE 8686905113T DE 3676490 T DE3676490 T DE 3676490T DE 3676490 D1 DE3676490 D1 DE 3676490D1
Authority
DE
Germany
Prior art keywords
treatment process
stabilizing agents
before mechanical
mechanical refining
peroxide before
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
DE8686905113T
Other languages
German (de)
Inventor
Gentile, Jr
Harry Douglas Wilder
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.)
Kimberly Clark Worldwide Inc
Original Assignee
Scott Paper Co
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=25113415&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3676490(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Scott Paper Co filed Critical Scott Paper Co
Application granted granted Critical
Publication of DE3676490D1 publication Critical patent/DE3676490D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
DE8686905113T 1985-09-20 1986-08-13 PULP PRE-TREATMENT PROCESS WITH STABILIZING AGENTS AND PEROXIDE BEFORE MECHANICAL REFINING. Expired - Lifetime DE3676490D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77845785A 1985-09-20 1985-09-20
PCT/US1986/001659 WO1987001746A1 (en) 1985-09-20 1986-08-13 Method of pretreating pulp with stabilizers and peroxide prior to mechanical refining

Publications (1)

Publication Number Publication Date
DE3676490D1 true DE3676490D1 (en) 1991-02-07

Family

ID=25113415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686905113T Expired - Lifetime DE3676490D1 (en) 1985-09-20 1986-08-13 PULP PRE-TREATMENT PROCESS WITH STABILIZING AGENTS AND PEROXIDE BEFORE MECHANICAL REFINING.

Country Status (10)

Country Link
EP (1) EP0239583B2 (en)
AR (1) AR243622A1 (en)
AU (3) AU605745B2 (en)
BR (1) BR8606875A (en)
CA (1) CA1274657A (en)
DE (1) DE3676490D1 (en)
ES (1) ES2002755A6 (en)
MX (1) MX174399B (en)
PT (1) PT83406B (en)
WO (1) WO1987001746A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458690B (en) * 1986-11-06 1989-04-24 Sunds Defibrator MAKE MANUFACTURING MECHANICAL MASS FROM LIGNOCELLULOSALLY MATERIAL IN PIECE FORM WITH A LENGTH IN THE FIBER DIRECTION OF AT LEAST 200 MM
CA2057231A1 (en) * 1991-01-07 1992-07-08 Ulrike Tschirner Method of pretreating lignocellulosic materials prior to alkaline peroxide high yield pulping
FR2672315B1 (en) * 1991-01-31 1996-06-07 Hoechst France NEW PROCESS FOR REFINING PAPER PULP.
CA2631545C (en) * 2005-12-02 2014-08-19 Akzo Nobel N.V. Process of producing high-yield pulp
US8268122B2 (en) 2005-12-02 2012-09-18 Akzo Nobel N.V. Process of producing high-yield pulp
US9273270B2 (en) 2014-02-20 2016-03-01 Church & Dwight Co., Inc. Unit dose cleaning products for delivering a peroxide-containing bleaching agent

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE496197C (en) * 1928-05-15 1930-04-17 Carl G Schwalbe Dr Process for the production of pulp from lignified fibers
CA895757A (en) * 1970-04-03 1972-03-21 E. Worster Hans Single-stage soda-oxygen pulping
US4187141A (en) * 1975-02-24 1980-02-05 Alf Societe Anonyme Method of producing bleached mechanical pulp
SE436368B (en) * 1979-01-12 1984-12-03 Sunds Defibrator METHODS OF MANUFACTURING BLEACHED, MECHANICAL, CHEMICAL MECHANICAL AND SEMI-CHEMICAL MASSES OF LIGNOCELLULOSE FIBER MATERIALS
JPS63402A (en) * 1986-06-18 1988-01-05 Toyota Motor Corp Powdery raw material for sintered forming and sintered forming method for using same

Also Published As

Publication number Publication date
AU6658290A (en) 1991-01-31
EP0239583A1 (en) 1987-10-07
PT83406A (en) 1986-10-01
AU6225386A (en) 1987-04-07
EP0239583A4 (en) 1988-03-22
EP0239583B1 (en) 1991-01-02
ES2002755A6 (en) 1988-10-01
AR243622A1 (en) 1993-08-31
PT83406B (en) 1989-05-12
AU663781B2 (en) 1995-10-19
BR8606875A (en) 1987-11-03
WO1987001746A1 (en) 1987-03-26
AU605745B2 (en) 1991-01-24
CA1274657A (en) 1990-10-02
MX174399B (en) 1994-05-13
EP0239583B2 (en) 1994-01-12
AU3984493A (en) 1993-08-19

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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: KIMBERLY-CLARK WORLDWIDE, INC. (N.D.GES.D.STAATES

8339 Ceased/non-payment of the annual fee