Optical bleaching of organic material
Abstract
Abstract AN OPTICAL BLEACHING AGENT FOR ORGANIC MATERIALS COMPRISING AS AN EFFECTIVE INGREDIENT A BISTRIAZOLYL STYRENE DERIVATIVE EXPRESSED BY THE GENERAL FORMULA 1-((2-(R2-PHENYL)-2H-1,2,3-TRIAZOL-4-YL)-CH=CH-),4-(4,5- (-A-)-2H-1,2,3-TRIAZOL-2-YL)BENZENE WHEREIN A REPRESENTS A BENZENE, NAPHTALENE OR ACENAPHTHENE NUCLEUS, WITH THE PROVISO THAT WHEN A IS A BENZENE OR NAPHTHALENE NUCLEUS, IT MAY HAVE AN ALKYL GROUP, ALKOXY GROUP, ACYLAMINO GROUP, SULPHONIC ACID GROUP, SULPHONATE GROUP, OR SULPHONAMIDE GROUP AS A SUBSTITUENT; R1 REPRESENTS A CYANO GROUP, SULPHONIC ACID GROUP, SUBSTITUTED OR UNSUBSTITUTED SULPHONAMIDE GROUP, ARYL SULPHONATE GROUP, ALKYLSULPHONE GROUP, CARBAMOYL GROUP, OR CARBOXYLATE GROUP; AND R2 REPRESENTS A HYDROGEN ATOM, HALOGEN ATOM OR METHYL GROUP.
Inventors
- 👤 Ichiro Okubo
- 👤 Michihiro Tsujimoto
Bibliographic Details
Claims Analysis
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