FR823565A - Process for preparing synthetic tanning substances - Google Patents

Process for preparing synthetic tanning substances

Info

Publication number
FR823565A
FR823565A FR823565DA FR823565A FR 823565 A FR823565 A FR 823565A FR 823565D A FR823565D A FR 823565DA FR 823565 A FR823565 A FR 823565A
Authority
FR
France
Prior art keywords
preparing synthetic
synthetic tanning
tanning substances
substances
preparing
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR823565A publication Critical patent/FR823565A/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)
FR823565D 1936-07-08 1937-06-25 Process for preparing synthetic tanning substances Expired FR823565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE823565X 1936-07-08

Publications (1)

Publication Number Publication Date
FR823565A true FR823565A (en) 1938-01-22

Family

ID=6746655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823565D Expired FR823565A (en) 1936-07-08 1937-06-25 Process for preparing synthetic tanning substances

Country Status (1)

Country Link
FR (1) FR823565A (en)

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