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FR2248368B1 - - Google Patents

Info

Publication number
FR2248368B1
FR2248368B1 FR7438454A FR7438454A FR2248368B1 FR 2248368 B1 FR2248368 B1 FR 2248368B1 FR 7438454 A FR7438454 A FR 7438454A FR 7438454 A FR7438454 A FR 7438454A FR 2248368 B1 FR2248368 B1 FR 2248368B1
Authority
FR
France
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
Application number
FR7438454A
Other versions
FR2248368A1 (fr
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.)
GAF Corp
Original Assignee
GAF Corp
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 GAF Corp filed Critical GAF Corp
Publication of FR2248368A1 publication Critical patent/FR2248368A1/fr
Application granted granted Critical
Publication of FR2248368B1 publication Critical patent/FR2248368B1/fr
Expired 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • D21C5/027—Chemicals therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Paper (AREA)
FR7438454A 1972-11-01 1974-11-22 Expired FR2248368B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05302657 US3846227A (en) 1972-11-01 1972-11-01 Deinking of waste paper with an aqueous solution containing an n-alkyllactam solvent
US38124073A 1973-07-20 1973-07-20

Publications (2)

Publication Number Publication Date
FR2248368A1 FR2248368A1 (fr) 1975-05-16
FR2248368B1 true FR2248368B1 (fr) 1977-03-25

Family

ID=26973043

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7338455A Withdrawn FR2204737A1 (fr) 1972-11-01 1973-10-29
FR7438454A Expired FR2248368B1 (fr) 1972-11-01 1974-11-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7338455A Withdrawn FR2204737A1 (fr) 1972-11-01 1973-10-29

Country Status (6)

Country Link
US (1) US3846227A (fr)
JP (1) JPS49108303A (fr)
DE (1) DE2353771A1 (fr)
FR (2) FR2204737A1 (fr)
GB (2) GB1417354A (fr)
IT (1) IT1014516B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963560A (en) * 1972-11-01 1976-06-15 Gaf Corporation Composition for deinking waste paper
CA1249903A (fr) * 1984-05-10 1989-02-14 Christopher C. Mollett Composition et methode de desencrage de matiere cellulosique recyclee
DE3751821T2 (de) * 1986-06-27 1996-10-31 Isp Investments Inc Oberflächenaktive laktame
DE3811025A1 (de) * 1988-03-31 1989-10-12 Gruenau Gmbh Chem Fab Verfahren zum de-inken von bedrucktem altpapier
US5286346A (en) * 1988-11-23 1994-02-15 Henkel Kommanditgesellschaft Auf Aktien Deinking of wastepaper with quaternized hydroxyethyl cellulose
DE59104480D1 (de) * 1990-10-30 1995-03-16 Benckiser Knapsack Ladenburg Verfahren zur Wiedergewinnung von Fasern durch Flotationsdeinken aus Altpapier.
DE4110379C2 (de) * 1991-03-28 1994-03-31 Kleemann Stephan Verfahren und Mittel zur Druckfarbenentfernung aus Altpapier
US5234543A (en) * 1991-10-03 1993-08-10 International Paper Company Deinking method using ink agglomeration
US5342483A (en) * 1992-12-10 1994-08-30 Magnetic Separation Engineering, Inc. Process for deinking paper using water-soluble alcohols
US5520780A (en) * 1993-11-30 1996-05-28 Dxresources Corporation Method and apparatus for de-inking newsprint using counterflow extractor
ES2241408B1 (es) * 2002-11-13 2006-12-16 Universitat Politecnica De Catalunya Nuevo material a partir de residuos de papel impreso de alta calidad yy su metodo de obtencion.

Also Published As

Publication number Publication date
DE2353771A1 (de) 1974-05-09
GB1417353A (en) 1975-12-10
FR2204737A1 (fr) 1974-05-24
IT1014516B (it) 1977-04-30
GB1417354A (en) 1975-12-10
FR2248368A1 (fr) 1975-05-16
JPS49108303A (fr) 1974-10-15
US3846227A (en) 1974-11-05

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Legal Events

Date Code Title Description
ST Notification of lapse