Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-07-25
2006-07-25
Saeed, Kamal A. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S453000
Reexamination Certificate
active
07081540
ABSTRACT:
Compositions comprising water-based coating materials and a ternary 1,4-diketo-3,6-diphenylpyrrolo[3,4-c]pyrrole composition comprising compounds of formulae (I), (II) and (III), wherein X1and X2are each independently of the other hydrogen or chlorine, with the proviso that X1and X2are not simultaneously hydrogen, and R1and R2 ? are each independently of the other hydrogen, C1–C6alkyl, chlorine, bromine, C1–C6trifluoroalkyl, C1–C6alkoxy or a phenyl radical unsubstituted or substituted by C1–C6alkyl, chlorine, bromine or by C1–C6alkoxy, with the proviso that compounds of formulae (I), (II) and (III) are different, and also a process for the preparation thereof, and novel ternary 1,4-diketo-3,6-diphenyl-pyrrolo[3,4-c]pyrrole compositions, and the use thereof in the pigmenting of high or low molecular weight material
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Lenz Roman
Wallquist Olof
Chung Susannah L.
Ciba Specialty Chemicals Corporation
Suhadolnik Joseph C.
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