DE193074C - - Google Patents

Info

Publication number
DE193074C
DE193074C DENDAT193074D DE193074DA DE193074C DE 193074 C DE193074 C DE 193074C DE NDAT193074 D DENDAT193074 D DE NDAT193074D DE 193074D A DE193074D A DE 193074DA DE 193074 C DE193074 C DE 193074C
Authority
DE
Germany
Prior art keywords
treated
hydrosulfites
leather
temperature
products made
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
DENDAT193074D
Other languages
German (de)
Publication of DE193074C publication Critical patent/DE193074C/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
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes

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)
  • Coloring (AREA)

Description

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

Claims (1)

Patent-An speuch:Patent request: Verfahren zum Entfärben von mit gefärbten Gerbstoffextrakten hergestelltem Leder, dadurch gekennzeichnet, daß man es mit Hydrosulfiten bei gewöhnlicher Temperatur oder bei mäßiger Wärme behandelt. Process for decolorizing products made with colored tannin extracts Leather, characterized in that it is usually treated with hydrosulfites Temperature or treated with moderate heat.
DENDAT193074D Active DE193074C (en)

Publications (1)

Publication Number Publication Date
DE193074C true DE193074C (en)

Family

ID=456341

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT193074D Active DE193074C (en)

Country Status (1)

Country Link
DE (1) DE193074C (en)

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