GB157851A - Process for tanning hides - Google Patents

Process for tanning hides

Info

Publication number
GB157851A
GB157851A GB157721A GB157721A GB157851A GB 157851 A GB157851 A GB 157851A GB 157721 A GB157721 A GB 157721A GB 157721 A GB157721 A GB 157721A GB 157851 A GB157851 A GB 157851A
Authority
GB
United Kingdom
Prior art keywords
tanning
agents
tanning hides
sulphonated
lime
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
GB157721A
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.)
CHEMISCHE FABRIKEN WORMS AG
Original Assignee
CHEMISCHE FABRIKEN WORMS 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 CHEMISCHE FABRIKEN WORMS AG filed Critical CHEMISCHE FABRIKEN WORMS AG
Publication of GB157851A publication Critical patent/GB157851A/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
    • 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

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Alkaline-earth salts of synthetic tanning-agents of the kinds described in Specification 156,254, are prepared for use in tanning. According to an example, a mixture of naphthalene and phenol is sulphonated and condensed with formaldehyde solution, the product is diluted, neutralized with lime, and filtered, and the solution used for tanning. The products may be employed alone or mixed with other tanning-agents.
GB157721A 1916-09-01 1921-01-10 Process for tanning hides Expired GB157851A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE91878X 1916-09-01

Publications (1)

Publication Number Publication Date
GB157851A true GB157851A (en) 1921-08-11

Family

ID=5643904

Family Applications (2)

Application Number Title Priority Date Filing Date
GB66621A Expired GB156670A (en) 1916-09-01 1921-01-06 Process for tanning hides
GB157721A Expired GB157851A (en) 1916-09-01 1921-01-10 Process for tanning hides

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB66621A Expired GB156670A (en) 1916-09-01 1921-01-06 Process for tanning hides

Country Status (2)

Country Link
CH (1) CH91878A (en)
GB (2) GB156670A (en)

Also Published As

Publication number Publication date
GB156670A (en) 1922-07-06
CH91878A (en) 1921-12-01

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