Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Reexamination Certificate
2005-05-10
2005-05-10
Wu, David W. (Department: 1713)
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
C423S331000, C423S332000, C423S333000, C423S335000, C423S155000, C423S179000, C524S492000
Reexamination Certificate
active
06890503
ABSTRACT:
The present development is a silica additive for use in rubbers and similar cross-linked materials having a silicon atom intercalated within an oxygenated framework. The additive may be prepared starting with crystalline, fused or amorphous silica powder, thereby reducing the cost of the additive as compared to using precipitated silica.
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Cole Thomas A.
Kaufman Harvey
Mula Joseph A.
Lee Rip A
Middleton & Reutlinger
Minop Co.
Witters Steven A.
Wu David W.
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