FR45250E - Process for the production of tanning substances - Google Patents

Process for the production of tanning substances

Info

Publication number
FR45250E
FR45250E FR45250DA FR45250E FR 45250 E FR45250 E FR 45250E FR 45250D A FR45250D A FR 45250DA FR 45250 E FR45250 E FR 45250E
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 FR45250E publication Critical patent/FR45250E/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)
FR45250D 1934-09-11 1934-09-11 Process for the production of tanning substances Expired FR45250E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45250T 1934-09-11

Publications (1)

Publication Number Publication Date
FR45250E true FR45250E (en) 1935-07-17

Family

ID=8681018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45250D Expired FR45250E (en) 1934-09-11 1934-09-11 Process for the production of tanning substances

Country Status (1)

Country Link
FR (1) FR45250E (en)

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