Patents for C09B 51 - Nitro or nitroso dyes (412)
08/1976
08/17/1976US3975150 Transfer printing process
08/10/1976US3973900 Amino nitro benzenes
07/1976
07/27/1976US3971740 Dyes for polyester fibers
06/1976
06/29/1976US3966405 N-Alkyl nitro phenyl diethylene triamine dyeing of acid modified synthetic fibers
06/15/1976US3963436 Bis nitrophenyl diethylene triamine dyeing of synthetic acid modified fibers
06/08/1976US3961881 Polyamide textiles, tanning agent, disperse dyestuff
05/1976
05/25/1976US3959332 Water soluble nitro compounds
04/1976
04/13/1976US3950127 Hair dye compositions containing nitrodiphenylamine dyes and method for dyeing hair therewith
04/06/1976US3948990 Chemical compounds and compositions
03/1976
03/23/1976US3945991 Heterocyclic azo compounds containing a quaternated hydrazide group
03/16/1976US3944612 4-Fluoro-3-nitro anilines
01/1976
01/20/1976US3933886 Diamino-nitro-benzene compounds
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