FR874213A - Process for the production of tannins - Google Patents

Process for the production of tannins

Info

Publication number
FR874213A
FR874213A FR874213DA FR874213A FR 874213 A FR874213 A FR 874213A FR 874213D A FR874213D A FR 874213DA FR 874213 A FR874213 A FR 874213A
Authority
FR
France
Prior art keywords
tannins
production
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR874213A publication Critical patent/FR874213A/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)
FR874213D 1940-07-29 1941-07-26 Process for the production of tannins Expired FR874213A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE874213X 1940-07-29

Publications (1)

Publication Number Publication Date
FR874213A true FR874213A (en) 1942-07-31

Family

ID=6816811

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874213D Expired FR874213A (en) 1940-07-29 1941-07-26 Process for the production of tannins

Country Status (1)

Country Link
FR (1) FR874213A (en)

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