FR807985A - Tanning agents and process for preparing them - Google Patents

Tanning agents and process for preparing them

Info

Publication number
FR807985A
FR807985A FR807985DA FR807985A FR 807985 A FR807985 A FR 807985A FR 807985D A FR807985D A FR 807985DA FR 807985 A FR807985 A FR 807985A
Authority
FR
France
Prior art keywords
preparing
tanning agents
tanning
agents
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 FR807985A publication Critical patent/FR807985A/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
    • C14C3/04—Mineral tanning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
FR807985D 1935-06-26 1936-06-25 Tanning agents and process for preparing them Expired FR807985A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE807985X 1935-06-26
DEI53550D DE663825C (en) 1935-06-26 1935-11-03 Process for the production of iron-containing tanning agents

Publications (1)

Publication Number Publication Date
FR807985A true FR807985A (en) 1937-01-26

Family

ID=60571002

Family Applications (1)

Application Number Title Priority Date Filing Date
FR807985D Expired FR807985A (en) 1935-06-26 1936-06-25 Tanning agents and process for preparing them

Country Status (2)

Country Link
DE (1) DE663825C (en)
FR (1) FR807985A (en)

Also Published As

Publication number Publication date
DE663825C (en) 1938-08-13

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