FR30350E - Process for the preparation of tanning substances - Google Patents

Process for the preparation of tanning substances

Info

Publication number
FR30350E
FR30350E FR30350DA FR30350E FR 30350 E FR30350 E FR 30350E FR 30350D A FR30350D A FR 30350DA FR 30350 E FR30350 E FR 30350E
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of FR30350E publication Critical patent/FR30350E/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)
FR30350D 1925-04-22 1925-04-22 Process for the preparation of tanning substances Expired FR30350E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR30350T 1925-04-22

Publications (1)

Publication Number Publication Date
FR30350E true FR30350E (en) 1926-05-07

Family

ID=8668257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR30350D Expired FR30350E (en) 1925-04-22 1925-04-22 Process for the preparation of tanning substances

Country Status (1)

Country Link
FR (1) FR30350E (en)

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