FR474336A - Process for the production of a tannic extract from sulphite lye obtained by treating substances containing cellulose - Google Patents

Process for the production of a tannic extract from sulphite lye obtained by treating substances containing cellulose

Info

Publication number
FR474336A
FR474336A FR474336DA FR474336A FR 474336 A FR474336 A FR 474336A FR 474336D A FR474336D A FR 474336DA FR 474336 A FR474336 A FR 474336A
Authority
FR
France
Prior art keywords
production
containing cellulose
substances containing
treating substances
sulphite lye
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)
Inventor
Hans Brun Landmark
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR474336A publication Critical patent/FR474336A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/24—Chemical tanning by organic agents using lignin derivatives, e.g. sulfate liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR474336D 1914-06-30 1914-06-30 Process for the production of a tannic extract from sulphite lye obtained by treating substances containing cellulose Expired FR474336A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR474336T 1914-06-30

Publications (1)

Publication Number Publication Date
FR474336A true FR474336A (en) 1915-02-17

Family

ID=1512312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR474336D Expired FR474336A (en) 1914-06-30 1914-06-30 Process for the production of a tannic extract from sulphite lye obtained by treating substances containing cellulose

Country Status (1)

Country Link
FR (1) FR474336A (en)

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