FR67231E - Procédé de production de matières tannantes - Google Patents

Procédé de production de matières tannantes

Info

Publication number
FR67231E
FR67231E FR67231DA FR67231E FR 67231 E FR67231 E FR 67231E FR 67231D A FR67231D A FR 67231DA FR 67231 E FR67231 E FR 67231E
Authority
FR
France
Prior art keywords
production process
material production
tanning material
tanning
production
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
English (en)
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of FR67231E publication Critical patent/FR67231E/fr
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)
FR67231D 1954-12-10 1954-12-10 Procédé de production de matières tannantes Expired FR67231E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR67231T 1954-12-10

Publications (1)

Publication Number Publication Date
FR67231E true FR67231E (fr) 1957-11-25

Family

ID=8699461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67231D Expired FR67231E (fr) 1954-12-10 1954-12-10 Procédé de production de matières tannantes

Country Status (1)

Country Link
FR (1) FR67231E (fr)

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