FR1164748A - Improvements in the treatment of plant materials with a view to obtaining paper pulp - Google Patents

Improvements in the treatment of plant materials with a view to obtaining paper pulp

Info

Publication number
FR1164748A
FR1164748A FR1164748DA FR1164748A FR 1164748 A FR1164748 A FR 1164748A FR 1164748D A FR1164748D A FR 1164748DA FR 1164748 A FR1164748 A FR 1164748A
Authority
FR
France
Prior art keywords
treatment
view
paper pulp
plant materials
obtaining paper
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
Application number
Other languages
French (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.)
FR DU XYLON SOC
Original Assignee
FR DU XYLON SOC
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 FR DU XYLON SOC filed Critical FR DU XYLON SOC
Application granted granted Critical
Publication of FR1164748A publication Critical patent/FR1164748A/en
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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49085—Thermally variable
FR1164748D 1957-01-15 1957-01-15 Improvements in the treatment of plant materials with a view to obtaining paper pulp Expired FR1164748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2929757X 1957-01-15

Publications (1)

Publication Number Publication Date
FR1164748A true FR1164748A (en) 1958-10-14

Family

ID=9690048

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1164748D Expired FR1164748A (en) 1957-01-15 1957-01-15 Improvements in the treatment of plant materials with a view to obtaining paper pulp

Country Status (3)

Country Link
US (1) US2929757A (en)
DE (1) DE1107064B (en)
FR (1) FR1164748A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE388343C (en) * 1922-12-12 1924-01-11 Adolf Kaempf Dr Process for the production of pulp
US1777751A (en) * 1926-08-05 1930-10-07 Ig Farbenindustrie Ag Producing cellulose
DE512927C (en) * 1927-05-22 1930-11-14 I G Farbenindustrie Akt Ges Process for the digestion of vegetable fibers with chloric acid
NL45528C (en) * 1935-12-24
GB570259A (en) * 1942-08-07 1945-06-28 Mathieson Alkali Works Improvements in the pulping of fibrous cellulosic material
NO72186A (en) * 1943-12-23
US2502410A (en) * 1945-11-17 1950-04-04 Olin Mathieson Method of bleaching cellulosic materials
GB652431A (en) * 1948-03-09 1951-04-25 Stephen Rathbone Holden Edge Improvements relating to the manufacture of papermaking pulp from straws, reeds, esparto grass and other annual growths

Also Published As

Publication number Publication date
US2929757A (en) 1960-03-22
DE1107064B (en) 1961-05-18

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