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Norbert Kohl
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Muenster, DE
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Patents Grants
last 30 patents
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Patent Grant
Blue dye with particularly high purity and positive triboelectric c...
Patent number
7,621,967
Issue date
Nov 24, 2009
Clariant Produkte (Deutschland) GmbH
Eduard Michel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
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Patent Application
Blue dye with particularly high purity and positive triboelectric c...
Publication number
20060105265
Publication date
May 18, 2006
Eduard Michel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...