Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2005-11-08
2005-11-08
Lorengo, J. A. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S316000, C106S443000
Reexamination Certificate
active
06962622
ABSTRACT:
The invention relates to a titanium dioxide pigment mixture comprising a pigment having high greying stability (pigment type A) and a pigment having increased SiO2and Al2O3content in flaky precipitation (pigment type B). Said mixture provides, for example in paper, a high level of opacity for sufficient greying stability. If necessary, the light-fastness of the paper can be further increased by means of known production-conditioned measures on pigment type B.
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Bender Jürgen
Blümel Siegfried
Schmitt Volker
Vielhaber-Kirsch Brigitte
Hodgson Rodney T.
Kronos Titan GmbH
Lorengo J. A.
Manlove S. S.
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