Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Reexamination Certificate
2008-07-22
2008-07-22
Johnson, Edward M (Department: 1793)
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
C423S338000
Reexamination Certificate
active
07402293
ABSTRACT:
A surface-modified, aerogel-type, structured silica is produced by spraying an aerogel-type, structured silica with a silanizing agent, post-mixing and conditioning. It can be used as a flatting agent.
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Christian Hans-Dieter
Ettlinger Manfred
Meyer Jürgen
Zeizinger Horst
Degussa - AG
Johnson Edward M
Venable LLP
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