Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2007-12-04
2007-12-04
Koslow, C. Melisssa (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C428S404000, C428S407000
Reexamination Certificate
active
10732238
ABSTRACT:
A structurally coated silica can be prepared by spraying and mixing a pyrogenic silica with water and a coating agent in a suitable mixing vessel, then milling and then conditioning the product.The structurally coated silica can be used as a matting agent in lacquers.
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Christian Hans-Dieter
Meyer Jürgen
Spitznagel Kurt
DeGussa AG
Koslow C. Melisssa
Venable LLP
Wiseman Thomas G.
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