BE452026A - - Google Patents

Info

Publication number
BE452026A
BE452026A BE452026DA BE452026A BE 452026 A BE452026 A BE 452026A BE 452026D A BE452026D A BE 452026DA BE 452026 A BE452026 A BE 452026A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE452026A publication Critical patent/BE452026A/xx

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
    • D21C3/26—Multistage processes
    • D21C3/266—Multistage processes the same pulping agent being used in all stages
    • 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
    • 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
    • D21C3/26—Multistage processes
BE452026D 1942-10-28 1943-08-25 BE452026A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP0085066 1942-10-28
DEP0085067 1942-10-28

Publications (1)

Publication Number Publication Date
BE452026A true BE452026A (enrdf_load_stackoverflow) 1943-09-30

Family

ID=25991031

Family Applications (1)

Application Number Title Priority Date Filing Date
BE452026D BE452026A (enrdf_load_stackoverflow) 1942-10-28 1943-08-25

Country Status (2)

Country Link
BE (1) BE452026A (enrdf_load_stackoverflow)
FR (2) FR897271A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR897371A (fr) 1945-03-20
FR897271A (fr) 1945-03-16

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