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GB147534A - Improved process for the manufacture of artificial tanning substances - Google Patents

Improved process for the manufacture of artificial tanning substances

Info

Publication number
GB147534A
GB147534A GB5690/20A GB569020A GB147534A GB 147534 A GB147534 A GB 147534A GB 5690/20 A GB5690/20 A GB 5690/20A GB 569020 A GB569020 A GB 569020A GB 147534 A GB147534 A GB 147534A
Authority
GB
United Kingdom
Prior art keywords
manufacture
improved process
artificial tanning
tanning substances
caustic soda
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
GB5690/20A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB147534A publication Critical patent/GB147534A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/62—Sulfonated fats, oils or waxes of undetermined constitution
    • 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
    • C14C3/14—Fat tanning; Oil tanning
    • 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)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fats And Perfumes (AREA)

Abstract

Anthracene oil is sulphonated by means of concentrated sulphuric acid; the sulphonated product is diluted with water, neutralized by caustic soda, or by lime followed by caustic soda, and concentrated, and constitutes a tanning agent.
GB5690/20A 1918-12-24 1920-02-25 Improved process for the manufacture of artificial tanning substances Expired GB147534A (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE526967X 1918-12-24
DE137323X 1918-12-24
DEM64578D DE386297C (en) 1918-12-24 1918-12-25 Process for the production of sulphonic acids containing sulphurous derivatives of high molecular weight aromatic hydrocarbons
DE147534X 1919-07-15
DE92141X 1919-07-19
DEM66228D DE388546C (en) 1918-12-24 1919-07-20 Process for the production of sulphonic acids containing sulphurous derivatives of high molecular weight aromatic hydrocarbons
DE148738X 1919-07-21
DEM66235D DE458250C (en) 1918-12-24 1919-07-22 Process for the production of sulphonic acids from the acidic components of high molecular weight aromatic hydrocarbons

Publications (1)

Publication Number Publication Date
GB147534A true GB147534A (en) 1921-05-25

Family

ID=60410275

Family Applications (4)

Application Number Title Priority Date Filing Date
GB63/20A Expired GB137323A (en) 1918-12-24 1920-01-02 Improved manufacture of artificial tanning substances
GB5439/20A Expired GB148268A (en) 1918-12-24 1920-02-23 Improved process for the manufacture of artificial tanning substances
GB5691/20A Expired GB148738A (en) 1918-12-24 1920-02-25 Improved process for the manufacture of artificial tanning substances
GB5690/20A Expired GB147534A (en) 1918-12-24 1920-02-25 Improved process for the manufacture of artificial tanning substances

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GB63/20A Expired GB137323A (en) 1918-12-24 1920-01-02 Improved manufacture of artificial tanning substances
GB5439/20A Expired GB148268A (en) 1918-12-24 1920-02-23 Improved process for the manufacture of artificial tanning substances
GB5691/20A Expired GB148738A (en) 1918-12-24 1920-02-25 Improved process for the manufacture of artificial tanning substances

Country Status (4)

Country Link
CH (1) CH92141A (en)
DE (3) DE386297C (en)
FR (1) FR526967A (en)
GB (4) GB137323A (en)

Also Published As

Publication number Publication date
GB137323A (en) 1921-05-02
DE458250C (en) 1928-04-02
FR526967A (en) 1921-10-17
DE386297C (en) 1923-12-07
CH92141A (en) 1921-12-16
DE388546C (en) 1924-01-15
GB148268A (en) 1921-05-05
GB148738A (en) 1921-05-05

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