RO93346B1 - Colorant brun direct nebenzidinic si procedeu de obtinere a acestuia - Google Patents

Colorant brun direct nebenzidinic si procedeu de obtinere a acestuia

Info

Publication number
RO93346B1
RO93346B1 RO121428A RO12142885A RO93346B1 RO 93346 B1 RO93346 B1 RO 93346B1 RO 121428 A RO121428 A RO 121428A RO 12142885 A RO12142885 A RO 12142885A RO 93346 B1 RO93346 B1 RO 93346B1
Authority
RO
Romania
Prior art keywords
benzidinic
preparing
same
colouring agent
coupling
Prior art date
Application number
RO121428A
Other languages
English (en)
Other versions
RO93346A2 (ro
Inventor
Iaroslav-Vaclav-Aurel Havlik
Dorin Gageonea
Carmen-Daniela Olariu
Original Assignee
Centrul De Chimie
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
Application filed by Centrul De Chimie filed Critical Centrul De Chimie
Priority to RO121428A priority Critical patent/RO93346B1/ro
Publication of RO93346A2 publication Critical patent/RO93346A2/ro
Publication of RO93346B1 publication Critical patent/RO93346B1/ro

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Abstract

Inventia se refera la un colorant brun direct nebenzidinic pentru vopsirea firelor celulozice si de amestec cu rezistente ridicate la tratamente umede si lumina si la un procedeu de obtinere a acestuia prin cuplarea asimetrica a 4,4'-diaminobenzanilidei bis-diazotate cu acidul salicilic, urmata de cuplarea alcalina a diazoazocolorantului format cu complexul de cupru al colorantului obtinut prin cuplarea acidului 2-aminofenol-4-sulfonic diazotat cu rezorcina.
RO121428A 1985-12-27 1985-12-27 Colorant brun direct nebenzidinic si procedeu de obtinere a acestuia RO93346B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO121428A RO93346B1 (ro) 1985-12-27 1985-12-27 Colorant brun direct nebenzidinic si procedeu de obtinere a acestuia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO121428A RO93346B1 (ro) 1985-12-27 1985-12-27 Colorant brun direct nebenzidinic si procedeu de obtinere a acestuia

Publications (2)

Publication Number Publication Date
RO93346A2 RO93346A2 (ro) 1987-12-31
RO93346B1 true RO93346B1 (ro) 1988-01-01

Family

ID=20118610

Family Applications (1)

Application Number Title Priority Date Filing Date
RO121428A RO93346B1 (ro) 1985-12-27 1985-12-27 Colorant brun direct nebenzidinic si procedeu de obtinere a acestuia

Country Status (1)

Country Link
RO (1) RO93346B1 (ro)

Also Published As

Publication number Publication date
RO93346A2 (ro) 1987-12-31

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