DE86828C - - Google Patents

Info

Publication number
DE86828C
DE86828C DENDAT86828D DE86828DA DE86828C DE 86828 C DE86828 C DE 86828C DE NDAT86828 D DENDAT86828 D DE NDAT86828D DE 86828D A DE86828D A DE 86828DA DE 86828 C DE86828 C DE 86828C
Authority
DE
Germany
Prior art keywords
amidonaphthol
sulfonic acid
acid
tetrazodiphenylamine
oxynaphtoic
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
DENDAT86828D
Other languages
German (de)
Publication of DE86828C publication Critical patent/DE86828C/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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/24—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl amine

Description

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

Claims (1)

Patent-Anspruch:Patent claim: Neuerung in dem durch Patent Nr. 55648 und dessen Zusätzen geschützten Verfahren zur Herstellung von gemischten Disazofarbstoffen aus y-Amidonaphtolsulfosäure, darin bestehend, dafs man den Zwischenkörper aus Tetrazodiphenylamin und y-Amidonaphtolsulfosäure, statt mit den im Patent-Anspruch 2 des Patentes Nr. 82694 genannten Körpern, hier mit a- oder ß-Oxynaphtoesäure vereinigt.Innovation in the process, protected by Patent No. 55648 and its additives, for the preparation of mixed disazo dyes from γ-amidonaphthol sulfonic acid, consisting in that the intermediate body is made from tetrazodiphenylamine and γ-amidonaphthol sulfonic acid, instead of with those in patent claim 2 of patent No. 82694 named bodies, here combined with a- or ß-oxynaphtoic acid.
DENDAT86828D Active DE86828C (en)

Publications (1)

Publication Number Publication Date
DE86828C true DE86828C (en)

Family

ID=358841

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT86828D Active DE86828C (en)

Country Status (1)

Country Link
DE (1) DE86828C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433632A (en) * 1942-12-23 1947-12-30 Rca Corp Fibrous sheet material for the electrolytic formation of azo dye image records thereon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433632A (en) * 1942-12-23 1947-12-30 Rca Corp Fibrous sheet material for the electrolytic formation of azo dye image records thereon

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