FR39845E - Process for preparing tanning materials - Google Patents

Process for preparing tanning materials

Info

Publication number
FR39845E
FR39845E FR39845DA FR39845E FR 39845 E FR39845 E FR 39845E FR 39845D A FR39845D A FR 39845DA FR 39845 E FR39845 E FR 39845E
Authority
FR
France
Prior art keywords
tanning materials
preparing
preparing tanning
materials
tanning
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 FR39845E publication Critical patent/FR39845E/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)
FR39845D 1931-03-06 1931-03-06 Process for preparing tanning materials Expired FR39845E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39845T 1931-03-06

Publications (1)

Publication Number Publication Date
FR39845E true FR39845E (en) 1932-03-18

Family

ID=8676185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39845D Expired FR39845E (en) 1931-03-06 1931-03-06 Process for preparing tanning materials

Country Status (1)

Country Link
FR (1) FR39845E (en)

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