DE242532C - - Google Patents

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Publication number
DE242532C
DE242532C DENDAT242532D DE242532DA DE242532C DE 242532 C DE242532 C DE 242532C DE NDAT242532 D DENDAT242532 D DE NDAT242532D DE 242532D A DE242532D A DE 242532DA DE 242532 C DE242532 C DE 242532C
Authority
DE
Germany
Prior art keywords
sponsorship
indigoid
indigo
aldehydes
dissociation
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
DENDAT242532D
Other languages
German (de)
Publication of DE242532C publication Critical patent/DE242532C/de
Active legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B7/00Indigoid dyes

Description

BERLIN. GEDHUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE EMPIRE PRINTING.

Claims (1)

45 Pate nt-Anspruch:45 Sponsorship claim: Abänderung des Verfahrens des Patents 237368, darin bestehend, daß man Indigo sowie andere indigoide Farbstoffe und Farbstoffe der Thioindigoreihe bei Gegenwart von Aldehyden aus Leukoverbindungen durch Oxydationsmittel oder aus mineralsauren Lösungen oder Suspensionen durch Dissoziation mittels bzw. durch Einwirkung von Wasser zur Entstehung bringt.Modification of the method of patent 237368, which consists in using indigo as well as other indigoid and thioindigo series dyes in the presence of aldehydes from leuco compounds through oxidizing agents or from mineral acids Brings about solutions or suspensions by dissociation by means of or by the action of water. *) Frühere Zusatzpatente: 239336, 239337, 23933^> 239339> 241140, 241141 und 241802.*) Former additional patents: 239336, 239337, 2 3933 ^> 2 39339> 241140, 241141 and 241802.
DENDAT242532D Active DE242532C (en)

Publications (1)

Publication Number Publication Date
DE242532C true DE242532C (en)

Family

ID=501731

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT242532D Active DE242532C (en)

Country Status (1)

Country Link
DE (1) DE242532C (en)

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