FR50277E - Process for preparing synthetic tanning substances - Google Patents

Process for preparing synthetic tanning substances

Info

Publication number
FR50277E
FR50277E FR50277DA FR50277E FR 50277 E FR50277 E FR 50277E FR 50277D A FR50277D A FR 50277DA FR 50277 E FR50277 E FR 50277E
Authority
FR
France
Prior art keywords
preparing synthetic
synthetic tanning
tanning substances
substances
preparing
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 FR50277E publication Critical patent/FR50277E/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)
FR50277D 1939-03-11 1939-03-11 Process for preparing synthetic tanning substances Expired FR50277E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR50277T 1939-03-11

Publications (1)

Publication Number Publication Date
FR50277E true FR50277E (en) 1940-01-29

Family

ID=8685303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50277D Expired FR50277E (en) 1939-03-11 1939-03-11 Process for preparing synthetic tanning substances

Country Status (1)

Country Link
FR (1) FR50277E (en)

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