FR817847A - Tanning agents and process for preparing such products - Google Patents

Tanning agents and process for preparing such products

Info

Publication number
FR817847A
FR817847A FR817847DA FR817847A FR 817847 A FR817847 A FR 817847A FR 817847D A FR817847D A FR 817847DA FR 817847 A FR817847 A FR 817847A
Authority
FR
France
Prior art keywords
preparing
products
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 FR817847A publication Critical patent/FR817847A/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
    • 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)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Coloring (AREA)
FR817847D 1936-02-14 1937-02-15 Tanning agents and process for preparing such products Expired FR817847A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE817847X 1936-02-14
DE201010X 1936-02-14
DE2136997X 1936-02-14
DE490296X 1936-02-14
DE1936I0054331 DE698980C (en) 1936-02-14 1936-02-15 Method of tanning

Publications (1)

Publication Number Publication Date
FR817847A true FR817847A (en) 1937-09-11

Family

ID=60293621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR817847D Expired FR817847A (en) 1936-02-14 1937-02-15 Tanning agents and process for preparing such products

Country Status (5)

Country Link
US (1) US2136997A (en)
CH (1) CH201010A (en)
DE (1) DE698980C (en)
FR (1) FR817847A (en)
GB (1) GB490296A (en)

Also Published As

Publication number Publication date
CH201010A (en) 1938-11-15
DE698980C (en) 1940-11-20
US2136997A (en) 1938-11-15
GB490296A (en) 1938-08-12

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