DE275304C - - Google Patents

Info

Publication number
DE275304C
DE275304C DENDAT275304D DE275304DA DE275304C DE 275304 C DE275304 C DE 275304C DE NDAT275304 D DENDAT275304 D DE NDAT275304D DE 275304D A DE275304D A DE 275304DA DE 275304 C DE275304 C DE 275304C
Authority
DE
Germany
Prior art keywords
doubly
leather
treated
sulphurous
clay
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.)
Active
Application number
DENDAT275304D
Other languages
German (de)
Publication of DE275304C publication Critical patent/DE275304C/de
Active 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
    • C14C11/00—Surface finishing of leather

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)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-An SPEU CH:Patent to SPEU CH: Verfahren zum Entfärben von Leder, dadurch gekennzeichnet, daß die mit beliebigen vegetabilischen Gerbstoffen behandelte Blöße mit einer verdünnten Lösung von doppeltschwefligsaurer Tonerde oder an deren Stelle mit einem Gemenge von Tonerdesulfat und Natriumbisulfit getränkt wird, wobei das Leder gegebenenfalls vor der Einwirkung der doppeltschwefligsauren Tonerde noch in an sich bekannter Weise mit einer verdünnten Alkalikarbonatlösung behandelt werden kann.Process for decolorizing leather, characterized in that with any pelt treated with vegetable tanning agents with a dilute solution of doubly sulphurous clay or in their place soaked with a mixture of alumina sulphate and sodium bisulphite is, the leather optionally before the action of the doubly sulphurous acid Clay still in a known manner with a dilute alkali carbonate solution can be treated.
DENDAT275304D Active DE275304C (en)

Publications (1)

Publication Number Publication Date
DE275304C true DE275304C (en)

Family

ID=531599

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT275304D Active DE275304C (en)

Country Status (1)

Country Link
DE (1) DE275304C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000042A1 (en) * 1980-06-23 1982-01-07 S Gebelius Flag-pole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000042A1 (en) * 1980-06-23 1982-01-07 S Gebelius Flag-pole

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