Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2007-01-23
2007-01-23
Lorengo, J. A. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S436000, C423S610000, C428S402000, C428S403000, C428S499000
Reexamination Certificate
active
10638154
ABSTRACT:
A method and material for improved TiO2pigment for paper and laminates is described. Phosphorous, titanium, and aluminum compounds are successively added to a TiO2pigment suspension. Resulting pigments show improved greying resistance and hiding power over prior art pigments, and show improved results as pigments in tests of paper and laminates.
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Bluemel Siegfried
Drews-Nicolai Lydia
Elfenthal Lothar
Schmitt Volker
Hailey Patricia L.
Hodgson Rodney T.
Kronos International Inc
Lorengo J. A.
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