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Renate Weller
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Duisburg, DE
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last 30 patents
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Patent Grant
Scratch-resistant coating
Patent number
6,824,875
Issue date
Nov 30, 2004
Bayer Aktiengesellschaft
Peter Bier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Scratch-resistant coating
Publication number
20030194561
Publication date
Oct 16, 2003
Peter Bier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...