US1930910A - Tanning solution - Google Patents

Tanning solution Download PDF

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Publication number
US1930910A
US1930910A US27804528A US1930910A US 1930910 A US1930910 A US 1930910A US 27804528 A US27804528 A US 27804528A US 1930910 A US1930910 A US 1930910A
Authority
US
United States
Prior art keywords
salts
tanning
solution
kilogrammes
phosphoric acid
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 - Lifetime
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English (en)
Inventor
Otto Röhm
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US1930910A publication Critical patent/US1930910A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • salts by way of example, I would mention in the first place, the chlorides and sulfates, whereas or the salts of phosphoric acid I would mention the sodium phosphate and of the. esters, for instance, the glycerinefiphosphoric acid, eventually in combination with alkali .15 or alkaline earth metals.
  • Example 1 20 kilogrammespf iron sulfate chloride fto which 1 kilogramme of phosphoric acid has been To this are added, while the solution is continually stirred,]l70 liters of water wherein are contained 4.2 kilogrammes of neutral sodium carbonate. With this tanning liquor 100 kilogrammes of pelts are'tannedfiby being moved around for 6 130 8 hours in the tanning-vessel. 1 i.
  • Example 2 5 kilogrammes of alum, to which are added 3 kilogrammes of common salt and 0.5 kilogrammes of glycerine. phosphoric acid are dissolved in-l00 liters of water, and in this solution 100 kilogrammes of pelts are tanned by being moved around for 6 to 8 hours in the tanning vessel. j
  • the phosphoric acid, or the acids of arsenic, or the corresponding salts or esters can be added either during the tanning operation, or can be used already in the pickle, or they can be used in the stumn'g.
  • a tanning solution comprising iron salts containing atrivalent cation, and esters of phosphoric acid.
  • a tanning solution comprising chromium salts containinga trivalent cation, and esters of v i q '75 3.
  • Atanning solution comprising aluminum salts containing a trivalent cation, and esters of phosphoric acid.
  • a tanning solution comprising. ironsalts and salts of the 0 5.
  • a tanning solution comprising chromium salts containing a trivalent catiornand salts of the esters of phosphoric acid.
  • a tanning solution comprising aluminum 35 salts containinga trivalent cation, and salts of the esters of phosphoric acid.
  • a tanning solution comprising iron sulfate

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)
US27804528 1927-06-20 1928-05-15 Tanning solution Expired - Lifetime US1930910A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE41261X 1927-06-20
DE1977973X 1927-06-20
DE1930910X 1927-06-20
DER71538D DE520091C (de) 1927-06-20 1927-06-21 Mineraleinbadgerbverfahren

Publications (1)

Publication Number Publication Date
US1930910A true US1930910A (en) 1933-10-17

Family

ID=60570993

Family Applications (2)

Application Number Title Priority Date Filing Date
US27804528 Expired - Lifetime US1930910A (en) 1927-06-20 1928-05-15 Tanning solution
US676319A Expired - Lifetime US1977973A (en) 1927-06-20 1933-06-17 Treatment of skins and hides

Family Applications After (1)

Application Number Title Priority Date Filing Date
US676319A Expired - Lifetime US1977973A (en) 1927-06-20 1933-06-17 Treatment of skins and hides

Country Status (3)

Country Link
US (2) US1930910A (nl)
DE (1) DE520091C (nl)
NL (1) NL23343C (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989362A (en) * 1954-08-13 1961-06-20 Bohme Fettchemie Gmbh Washing process for the removal of chrome soaps from chrome-tanned furs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989362A (en) * 1954-08-13 1961-06-20 Bohme Fettchemie Gmbh Washing process for the removal of chrome soaps from chrome-tanned furs

Also Published As

Publication number Publication date
DE520091C (de) 1931-03-07
US1977973A (en) 1934-10-23
NL23343C (nl) 1931-01-15

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