Hydrazone dyestuffs
Abstract
Abstract HYDRAZONE DYESTUFFS OF FORMULA 1-R2,2-(R4-C6H4-N(-R3)-N=CH-),3,3-DI(CH3-),R1-3H-INDOLE A(-) WHEREIN R1 AND R4 REPRESENT HYDROGEN, HALOGEN, LOWER ALKYL, CYCLOALKYL, LOWER ALKOXY, NITRO, CARBALKOXY, NITRILE, ACYL OR ARALKYL, AND AT LEAST ONE OF THE SUBSTITUENTS R1 AND R4 REPRESENTS ARALKYL, R2 REPRESENTS LOWER ALKYL, CYCLOALKYL, ARALKYL, OR ARYL, R3 REPRESENTS ALKYL AND A- REPRESENTS AN ANION, AND WHEREIN THE ALKYL RADICALS AND THE AROMATIC CARBOCYCLIC RINGS ARE NOT FURTHER SUBSTITUTED OR CONTAIN FURTHER NON-IONIC SUBSTITUENTS, PROCESSES FOR THEIR MANUFACTURE AND THEIR USE FOR DYEING AND PRINTING OF POLYMERISED OR COPOLYMERISED ACRYLNITRILE, ACID-MODIFIED POLYESTER FIBRES AND POLAMIDE FIBERS.
Inventors
- 👤 K Lehment
- 👤 E Schmitt
- 👤 R Raue
Bibliographic Details
Claims Analysis
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