DE79839C - - Google Patents

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Publication number
DE79839C
DE79839C DENDAT79839D DE79839DA DE79839C DE 79839 C DE79839 C DE 79839C DE NDAT79839 D DENDAT79839 D DE NDAT79839D DE 79839D A DE79839D A DE 79839DA DE 79839 C DE79839 C DE 79839C
Authority
DE
Germany
Prior art keywords
representation
acid
hydrochloric acid
protected process
leuco body
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
DENDAT79839D
Other languages
German (de)
Publication of DE79839C publication Critical patent/DE79839C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B19/00—Oxazine dyes
    • C09B19/005—Gallocyanine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Description

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

Claims (2)

Patent-Ansprüche:Patent Claims: 1. Darstellung eines zu Druckereizwecken geeigneten Leukokörpers nach dem durch Anspruch 1. des Patentes Nr. 77452 geschützten Verfahren durch Condensation der Schaeffer'schen ß-Naphtolsulfosäure mit dem aus Gallaminsäure und salzsaurem Diäthylamidoazobenzol bezw. salzsaurem Nitrosodiäthylanilin erhaltenen Gallocyaninfarbstoff bei Wasserbadtemperatur in Gegenwart eines geeigneten Lösungsmittels.1. Representation of a leuco body suitable for printing purposes after the Claim 1 of the patent no. 77452 protected process by condensation Schaeffer's ß-naphthol sulfonic acid with that of gallamic acid and hydrochloric acid Diethylamidoazobenzene respectively. hydrochloric acid nitrosodiethylaniline gallocyanin dye obtained at water bath temperature in the presence of a suitable solvent. 2. Darstellung eines blauen Farbstoffs nach dem durch Anspruch 2. des Patentes Nr. 77452 geschützten Verfahren durch Oxydation des nach vorangehendem Patent-Anspruch erhaltenen Leukokörpers.2. Representation of a blue dye according to claim 2 of the patent No. 77452 protected process by oxidation according to the preceding patent claim preserved leuco body.
DENDAT79839D Active DE79839C (en)

Publications (1)

Publication Number Publication Date
DE79839C true DE79839C (en)

Family

ID=352448

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT79839D Active DE79839C (en)

Country Status (1)

Country Link
DE (1) DE79839C (en)

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