FR67759E - Tanning substances and their production process - Google Patents

Tanning substances and their production process

Info

Publication number
FR67759E
FR67759E FR67759DA FR67759E FR 67759 E FR67759 E FR 67759E FR 67759D A FR67759D A FR 67759DA FR 67759 E FR67759 E FR 67759E
Authority
FR
France
Prior art keywords
production process
tanning substances
tanning
substances
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
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.)
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 FR67759E publication Critical patent/FR67759E/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR67759D 1955-04-02 1955-04-02 Tanning substances and their production process Expired FR67759E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR67759T 1955-04-02

Publications (1)

Publication Number Publication Date
FR67759E true FR67759E (en) 1958-03-19

Family

ID=8699914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67759D Expired FR67759E (en) 1955-04-02 1955-04-02 Tanning substances and their production process

Country Status (1)

Country Link
FR (1) FR67759E (en)

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