FR897222A - Process for the production of tannins - Google Patents

Process for the production of tannins

Info

Publication number
FR897222A
FR897222A FR897222DA FR897222A FR 897222 A FR897222 A FR 897222A FR 897222D A FR897222D A FR 897222DA FR 897222 A FR897222 A FR 897222A
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 FR897222A publication Critical patent/FR897222A/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
    • C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
    • C14C3/20—Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR897222D 1941-11-21 1943-08-12 Process for the production of tannins Expired FR897222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE897222T 1941-11-21

Publications (1)

Publication Number Publication Date
FR897222A true FR897222A (en) 1945-03-15

Family

ID=1556977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897222D Expired FR897222A (en) 1941-11-21 1943-08-12 Process for the production of tannins

Country Status (1)

Country Link
FR (1) FR897222A (en)

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