AT460B - Process for the preparation of black secondary disazo dyes with α-naphthylamine in the middle position from p-amidodiphenylamine sulfonic acids. - Google Patents

Process for the preparation of black secondary disazo dyes with α-naphthylamine in the middle position from p-amidodiphenylamine sulfonic acids.

Info

Publication number
AT460B
AT460B AT460DA AT460B AT 460 B AT460 B AT 460B AT 460D A AT460D A AT 460DA AT 460 B AT460 B AT 460B
Authority
AT
Austria
Prior art keywords
amidodiphenylamine
naphthylamine
preparation
middle position
sulfonic acids
Prior art date
Application number
Other languages
German (de)
Original Assignee
Actien Ges Fuer Anilin Fabrica
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE1897101274D external-priority patent/DE101274C/de
Application filed by Actien Ges Fuer Anilin Fabrica filed Critical Actien Ges Fuer Anilin Fabrica
Application granted granted Critical
Publication of AT460B publication Critical patent/AT460B/en

Links

AT460D 1897-01-23 1899-01-01 Process for the preparation of black secondary disazo dyes with α-naphthylamine in the middle position from p-amidodiphenylamine sulfonic acids. AT460B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1897101274D DE101274C (en) 1897-01-23

Publications (1)

Publication Number Publication Date
AT460B true AT460B (en) 1899-10-25

Family

ID=5648838

Family Applications (1)

Application Number Title Priority Date Filing Date
AT460D AT460B (en) 1897-01-23 1899-01-01 Process for the preparation of black secondary disazo dyes with α-naphthylamine in the middle position from p-amidodiphenylamine sulfonic acids.

Country Status (1)

Country Link
AT (1) AT460B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD355183S (en) 1992-07-31 1995-02-07 Oki Electric Industry Co., Ltd. Portable radio telephone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD355183S (en) 1992-07-31 1995-02-07 Oki Electric Industry Co., Ltd. Portable radio telephone

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