RO94764B1 - Colorant rosu-galbui direct, nebenzidinic si procedeu de obtinere a acestuia - Google Patents

Colorant rosu-galbui direct, nebenzidinic si procedeu de obtinere a acestuia

Info

Publication number
RO94764B1
RO94764B1 RO122873A RO12287386A RO94764B1 RO 94764 B1 RO94764 B1 RO 94764B1 RO 122873 A RO122873 A RO 122873A RO 12287386 A RO12287386 A RO 12287386A RO 94764 B1 RO94764 B1 RO 94764B1
Authority
RO
Romania
Prior art keywords
preparing
same
direct non
dye
red
Prior art date
Application number
RO122873A
Other languages
English (en)
Inventor
Iaroslav Vaclav Aurel Havlik
Dorin Gageonea
Elena Ciobotea
Iulia Havlik
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 RO122873A priority Critical patent/RO94764B1/ro
Publication of RO94764B1 publication Critical patent/RO94764B1/ro

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Abstract

Inventia se refera la un colorant rosu-galbui direct pentru vopsirea fibrelor celulozice si de amestec, obtinut prin dicuplarea simetrica a 4,4'-diaminobenzanilidei-bis-diazotate cu acidul 1-naftilamino-4-sulfonic si transformarea colorantului în sare de amoniu.
RO122873A 1986-04-04 1986-04-04 Colorant rosu-galbui direct, nebenzidinic si procedeu de obtinere a acestuia RO94764B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO122873A RO94764B1 (ro) 1986-04-04 1986-04-04 Colorant rosu-galbui direct, nebenzidinic si procedeu de obtinere a acestuia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO122873A RO94764B1 (ro) 1986-04-04 1986-04-04 Colorant rosu-galbui direct, nebenzidinic si procedeu de obtinere a acestuia

Publications (1)

Publication Number Publication Date
RO94764B1 true RO94764B1 (ro) 1989-06-02

Family

ID=40904348

Family Applications (1)

Application Number Title Priority Date Filing Date
RO122873A RO94764B1 (ro) 1986-04-04 1986-04-04 Colorant rosu-galbui direct, nebenzidinic si procedeu de obtinere a acestuia

Country Status (1)

Country Link
RO (1) RO94764B1 (ro)

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