Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2006-11-28
2009-12-29
Green, Anthony J (Department: 1793)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S031750, C106S031770, C106S031780, C106S493000, C106S496000, C106S498000
Reexamination Certificate
active
07637994
ABSTRACT:
A color pigment containing, based upon the total weight of the pigment, at least 70.0 weight % of a first compound COP according to Formula (I):wherein one of R1and R2is hydrogen and the other one of R1and R2represents —COOR4; R4and R5represent methyl; R3is selected from the group consisting of:with C* representing the point of attachment of R3to the nitrogen in Formula (I); and having a pigment surface including between 2.0 and 30.0 weight %, based upon the total weight of the pigment of a second compound according to Formula (I), wherein —R1, R2−, R3, R4and R5have the same meaning as above with the exception that at least one of R4and R5represents hydrogen. Also, methods of preparation of the pigment and non-aqueous pigment dispersions.
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Official communication issued in the International Application No. PCT/EP2006/069021, mailed on Oct. 10, 2007.
Deroover Geert
Gilleir Jan
Agfa Graphics NV
Green Anthony J
Keating and Bennett, LLP
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