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Heiko Zeh
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Weiterstadt, DE
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last 30 patents
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Patent Grant
SiO.sub.2 flatting agent, process for its production and its use
Patent number
5,221,337
Issue date
Jun 22, 1993
W. R. Grace & Co.-Conn.
Georg Luers
C01 - INORGANIC CHEMISTRY
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Patent Grant
Photoinitiator dispersions
Patent number
4,965,294
Issue date
Oct 23, 1990
Merck Patent Gesellschaft mit beschrankter Haftung
Jorg Ohngemach
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...