FR1367719A - Improvements in the manufacture of cellulose pulps from wood with pyrogallic tannins - Google Patents

Improvements in the manufacture of cellulose pulps from wood with pyrogallic tannins

Info

Publication number
FR1367719A
FR1367719A FR938178A FR938178A FR1367719A FR 1367719 A FR1367719 A FR 1367719A FR 938178 A FR938178 A FR 938178A FR 938178 A FR938178 A FR 938178A FR 1367719 A FR1367719 A FR 1367719A
Authority
FR
France
Prior art keywords
pyrogallic
tannins
wood
manufacture
cellulose pulps
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
FR938178A
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR938178A priority Critical patent/FR1367719A/en
Application granted granted Critical
Publication of FR1367719A publication Critical patent/FR1367719A/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
FR938178A 1963-06-14 1963-06-14 Improvements in the manufacture of cellulose pulps from wood with pyrogallic tannins Expired FR1367719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR938178A FR1367719A (en) 1963-06-14 1963-06-14 Improvements in the manufacture of cellulose pulps from wood with pyrogallic tannins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR938178A FR1367719A (en) 1963-06-14 1963-06-14 Improvements in the manufacture of cellulose pulps from wood with pyrogallic tannins

Publications (1)

Publication Number Publication Date
FR1367719A true FR1367719A (en) 1964-07-24

Family

ID=8806098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938178A Expired FR1367719A (en) 1963-06-14 1963-06-14 Improvements in the manufacture of cellulose pulps from wood with pyrogallic tannins

Country Status (1)

Country Link
FR (1) FR1367719A (en)

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