FR880168A - Tanning substances and process for their preparation - Google Patents

Tanning substances and process for their preparation

Info

Publication number
FR880168A
FR880168A FR880168DA FR880168A FR 880168 A FR880168 A FR 880168A FR 880168D A FR880168D A FR 880168DA FR 880168 A FR880168 A FR 880168A
Authority
FR
France
Prior art keywords
preparation
tanning substances
tanning
substances
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 FR880168A publication Critical patent/FR880168A/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)
FR880168D 1939-02-08 1941-10-18 Tanning substances and process for their preparation Expired FR880168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE880168X 1939-02-08

Publications (1)

Publication Number Publication Date
FR880168A true FR880168A (en) 1943-03-16

Family

ID=6820500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR880168D Expired FR880168A (en) 1939-02-08 1941-10-18 Tanning substances and process for their preparation

Country Status (1)

Country Link
FR (1) FR880168A (en)

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