FR2257733A1 - - Google Patents

Info

Publication number
FR2257733A1
FR2257733A1 FR7416912A FR7416912A FR2257733A1 FR 2257733 A1 FR2257733 A1 FR 2257733A1 FR 7416912 A FR7416912 A FR 7416912A FR 7416912 A FR7416912 A FR 7416912A FR 2257733 A1 FR2257733 A1 FR 2257733A1
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.)
Withdrawn
Application number
FR7416912A
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.)
International Paper Co
Original Assignee
International 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
Application filed by International Paper Co filed Critical International Paper Co
Publication of FR2257733A1 publication Critical patent/FR2257733A1/fr
Withdrawn legal-status Critical Current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
FR7416912A 1974-01-16 1974-05-15 Withdrawn FR2257733A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US433868A US3883391A (en) 1974-01-16 1974-01-16 Treatment of lignocellulosic material with an aqueous containing cyanide ions and an alkaline earth metal salt

Publications (1)

Publication Number Publication Date
FR2257733A1 true FR2257733A1 (zh) 1975-08-08

Family

ID=23721851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7416912A Withdrawn FR2257733A1 (zh) 1974-01-16 1974-05-15

Country Status (4)

Country Link
US (1) US3883391A (zh)
CA (1) CA1012708A (zh)
FR (1) FR2257733A1 (zh)
SE (1) SE391205B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929559A (en) * 1974-12-16 1975-12-30 Mac Millan Bloedel Ltd Stabilization of cellulosic material by treatment with ferricyanide ion
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane
US8591702B2 (en) 2008-12-08 2013-11-26 Fpinnovations Increasing alkaline pulping yield for softwood with metal ions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532596A (en) * 1967-09-22 1970-10-06 Westvaco Corp Method for stabilizing polysaccharides against alkaline attack
CA895757A (en) * 1970-04-03 1972-03-21 E. Worster Hans Single-stage soda-oxygen pulping
US3663358A (en) * 1970-04-29 1972-05-16 Westvaco Corp A METHOD FOR INCREASING BISULFITE PULP YIELD COMPRISING TREATING LIGNOCELLULOSIC MATERIAL WITH CYANIDE IONS AT A pH OF 7{14 12 PRIOR TO DIGESTION

Also Published As

Publication number Publication date
CA1012708A (en) 1977-06-28
SE7405422L (zh) 1975-07-17
SE391205B (sv) 1977-02-07
US3883391A (en) 1975-05-13

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Legal Events

Date Code Title Description
ST Notification of lapse