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FR43914E - Process for the production of tanning substances - Google Patents

Process for the production of tanning substances

Info

Publication number
FR43914E
FR43914E FR43914DA FR43914E FR 43914 E FR43914 E FR 43914E FR 43914D A FR43914D A FR 43914DA FR 43914 E FR43914 E FR 43914E
Authority
FR
France
Prior art keywords
production
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.)
Novartis AG
Original Assignee
JR Geigy 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 JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of FR43914E publication Critical patent/FR43914E/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)
FR43914D 1933-09-26 1933-09-26 Process for the production of tanning substances Expired FR43914E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR43914T 1933-09-26

Publications (1)

Publication Number Publication Date
FR43914E true FR43914E (en) 1934-09-19

Family

ID=8679832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43914D Expired FR43914E (en) 1933-09-26 1933-09-26 Process for the production of tanning substances

Country Status (1)

Country Link
FR (1) FR43914E (en)

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