RO93294B1 - Procedeu de obtinere a unor coloranti nebenzidinici albastri - Google Patents

Procedeu de obtinere a unor coloranti nebenzidinici albastri

Info

Publication number
RO93294B1
RO93294B1 RO121313A RO12131385A RO93294B1 RO 93294 B1 RO93294 B1 RO 93294B1 RO 121313 A RO121313 A RO 121313A RO 12131385 A RO12131385 A RO 12131385A RO 93294 B1 RO93294 B1 RO 93294B1
Authority
RO
Romania
Prior art keywords
benzidinic
colouring agents
preparing non
blue colouring
coupling
Prior art date
Application number
RO121313A
Other languages
English (en)
Other versions
RO93294A2 (ro
Inventor
Iaroslav Vaclav Aurel Havlik
Dorin Gageonea
Elena Ciobotea
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 RO121313A priority Critical patent/RO93294B1/ro
Publication of RO93294A2 publication Critical patent/RO93294A2/ro
Publication of RO93294B1 publication Critical patent/RO93294B1/ro

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Polyamides (AREA)
  • Coloring (AREA)

Abstract

Inventia se refera la un procedeu de obtinere a unor coloranti nebenzidinici albastri pentru fibre celulozice si poliamidice cu formula generala I: (vezi formula) în care R reprezinta o grupa (vezi formula) sau o grua (vezi formula) prin cuplarea sarii de diazoniu a colorantului cu formula II: (vezi formula) cu acidul 1,6-sau 1,7-naftilamino-sulfonic (acid Cleve 1,6 si 1,7), procedeu în care reactia de cuplare se executa în prezenta unui accelerator de cuplare si a unui agent de dispersare.
RO121313A 1985-12-24 1985-12-24 Procedeu de obtinere a unor coloranti nebenzidinici albastri RO93294B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO121313A RO93294B1 (ro) 1985-12-24 1985-12-24 Procedeu de obtinere a unor coloranti nebenzidinici albastri

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO121313A RO93294B1 (ro) 1985-12-24 1985-12-24 Procedeu de obtinere a unor coloranti nebenzidinici albastri

Publications (2)

Publication Number Publication Date
RO93294A2 RO93294A2 (ro) 1987-12-31
RO93294B1 true RO93294B1 (ro) 1988-01-01

Family

ID=20118560

Family Applications (1)

Application Number Title Priority Date Filing Date
RO121313A RO93294B1 (ro) 1985-12-24 1985-12-24 Procedeu de obtinere a unor coloranti nebenzidinici albastri

Country Status (1)

Country Link
RO (1) RO93294B1 (ro)

Also Published As

Publication number Publication date
RO93294A2 (ro) 1987-12-31

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