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