US1460758A - Process for dyeing skins, hairs, and the like - Google Patents

Process for dyeing skins, hairs, and the like Download PDF

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Publication number
US1460758A
US1460758A US531778A US53177822A US1460758A US 1460758 A US1460758 A US 1460758A US 531778 A US531778 A US 531778A US 53177822 A US53177822 A US 53177822A US 1460758 A US1460758 A US 1460758A
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United States
Prior art keywords
skins
hairs
dyeing
berlin
germany
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Expired - Lifetime
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US531778A
Inventor
Kaltwasser Oskar
Kirberger Leopold
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Agfa Gevaert NV
Original Assignee
Aktiengesellschaft fuer Anilinfabrikation GmbH
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Application filed by Aktiengesellschaft fuer Anilinfabrikation GmbH filed Critical Aktiengesellschaft fuer Anilinfabrikation GmbH
Priority to US531778A priority Critical patent/US1460758A/en
Application granted granted Critical
Publication of US1460758A publication Critical patent/US1460758A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/30—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts
    • D06P3/305—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts with oxidation dyes

Definitions

  • PROCESS FOR DYEING SKINS, HAIBS, AND THE LIKE PROCESS FOR DYEING SKINS, HAIBS, AND THE LIKE.
  • chromium mordants are brownish grav,f80
  • Our invention relates to a new process for 1.
  • thalene in the presence of an oxidizing are generally agent. speaking gray inclining to green of a very .2. .

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)

Description

Patented July 3, 1923. i
UNITED STATES PATENT omen.
J osm RALTWABSER AND LEQPOLD KIRBEBGEB, F BERLIN AND BERLIN-GRAB- LOTTENBUBG, GERMANY, ASSIGNOBS .TO AGTIEN GEBELLBCHAFT FUR ANILIN I'ADBIKA'IION, OF BERLIN, GERMANY.
PROCESS FOR DYEING SKINS, HAIBS, AND THE LIKE.
llo Drawing. Applicatlon flled January 25, 1922. Seriaifl o. 581,778.
To all wkomz't may concern: chromium mordants are brownish grav,f80
Be it known that we, Osm KALTWASSER those on skins prepared with copper morand LnoronnKmnnnenn, citizens of the Gerdan-ts are greenish gray; on skins pre man Republic residing at Berlin, Germany, with iron mordants a gray is produce and Berlin-Charlottenbur'g, German our By d ein in an alkaline solution, for ex- P. 0. address bei Urbanstr. 178, erlin, ample y a dition of 2 grams of ammonia 35 Germany, and Schi lerstr. 121, Berlin, Ger- (of 25% strength) .to the above dyeing bath many, have invented certain new and useful dyeings which are more yellowish result.-
Improvements in Processes for Dyeing Having now described our invention and 1 Skins, Hairs, and the like, of which the folthe manner in which it may be performed lowing is a ification. what we claim is, a
Our invention relates to a new process for 1. The herein-described process for dyedyeing skins, hairsand the like and consists ing furs, feathers, hairs and the like matein ash with a solution of 2.7 -d'ioxynaphrial, eonsistingin acting on the material to p thalene 1n the presence of an oxidizing agent be dyed with a solution of 2.7-diox a hupon mordanted or non-mordanted material. thalene in the presence of an oxidizing (a The tints thus obtained are generally agent. speaking gray inclining to green of a very .2. .The herein-described rocess for dyegood fastness. ing furs, feathers and the 1i 0 material, con- The following example illustrates our insisting in acting on the mordanted material vention without limiting it; with a solution of 2.7-dioxynaphthalene in '50 The well-washed skin is handled for some the-presence of an oxidizing 11 nt. hours at ordinary temperature in a bath In testimony whereof we a our signa-' which contains r liter2 grams 2.7-dioxytunes in presence of two witnesses; v
na hthalene ami f 0 grams of hydrogen per- OSKAR KALTWASSER.
oxide (about 3% strength). The skin is i LEOPOLD KIRBERGER. then well washed. and ished as usual, a Witnesses: gra "shade being obtained. v C. Ho nznnmamr,
'Ehetints obtained on skins prepared with. Cmmns L.
US531778A 1922-01-25 1922-01-25 Process for dyeing skins, hairs, and the like Expired - Lifetime US1460758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US531778A US1460758A (en) 1922-01-25 1922-01-25 Process for dyeing skins, hairs, and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US531778A US1460758A (en) 1922-01-25 1922-01-25 Process for dyeing skins, hairs, and the like

Publications (1)

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US1460758A true US1460758A (en) 1923-07-03

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