Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2007-11-13
2007-11-13
Green, Anthony J. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S419000, C106S424000, C106S459000, C106S712000, C162S162000, C423S632000, C424S464000, C426S250000, C427S215000, C427S218000, C427S289000, C427S372200, C427S427000, C428S403000, C428S404000, C524S431000
Reexamination Certificate
active
11128590
ABSTRACT:
The present invention relates to pure-coloured, readily dispersible iron oxide red pigments having high grinding stability, to a process for preparing them, and to their use.
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Burow Wilfried
Rosenhahn Carsten
Schneider Volker
Green Anthony J.
Kohnoke Nicenor A.
LANXESS Deutschland GmbH
Thot Norman B.
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