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Reiner Delp
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Darmstadt, DE
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last 30 patents
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Patent Grant
Laser-markable pigments containing an absorber coated with a marker
Patent number
7,202,288
Issue date
Apr 10, 2007
Merck Patent GmbH
Helge Bettina Kniess
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optically variable marking
Patent number
7,081,282
Issue date
Jul 25, 2006
Merck Patent GmbH
Matthias Kuntz
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Colored inscription and marking of plastics and surface coatings
Patent number
6,924,077
Issue date
Aug 2, 2005
Merck Patent GmbH
Reiner Delp
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Laser-markable plastics
Patent number
6,727,308
Issue date
Apr 27, 2004
Merck Patent Gesellschaft mit beschrankter Haftung
Helge Kniess
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Laser-markable plastics
Patent number
6,376,577
Issue date
Apr 23, 2002
Merck PatentGesellschaft
Helge Kniess
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Laser-markable plastics
Patent number
6,291,551
Issue date
Sep 18, 2001
Merck Patent Gesellschaft mit beschrankter Haftung
Helge Kniess
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Luminescent plastics
Publication number
20050096420
Publication date
May 5, 2005
Reiner Delp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Laser-markable pigments
Publication number
20040157975
Publication date
Aug 12, 2004
Helge Bettina Kniess
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for laser marking of a liquid crystal film
Publication number
20040126503
Publication date
Jul 1, 2004
Matthias Kuntz
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Colored inscription and marking of plastics and surface coatings
Publication number
20040013969
Publication date
Jan 22, 2004
Merck Patent GmbH
Reiner Delp
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Optically variable marking
Publication number
20030012935
Publication date
Jan 16, 2003
Merck Patent GmbH
Matthias Kuntz
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
Laser-markable plastics
Publication number
20010030179
Publication date
Oct 18, 2001
Helge Knieb
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Laser-markable plastics
Publication number
20010021731
Publication date
Sep 13, 2001
Helge Kniess
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS