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Birefringent marking
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Patent number 7,495,740
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Issue date Feb 24, 2009
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Merck Patent GmbH
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Robert Hammond-Smith
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Liquid crystalline medium
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Patent number 7,419,706
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Issue date Sep 2, 2008
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Merck Patent Gesellschaft mit beschrankter Haftung
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Michael Heckmeier
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Printable liquid crystal material
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Patent number 7,344,762
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Issue date Mar 18, 2008
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Merck Patent GmbH
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Robert Hammond-Smith
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Optically variable marking
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Patent number 7,081,282
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Issue date Jul 25, 2006
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Merck Patent GmbH
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Matthias Kuntz
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Birefringent marking
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Patent number 7,033,653
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Issue date Apr 25, 2006
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Merck Patent GmbH
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Matthias Kuntz
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Anisotropic polymer film
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Patent number 6,953,611
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Issue date Oct 11, 2005
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Merck Patent GmbH
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Robert Hammond-Smith
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Polymer beads
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Patent number 6,860,927
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Issue date Mar 1, 2005
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Merck Patent GmbH
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Matthias Kuntz
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Polymer beads
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Patent number 6,677,042
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Issue date Jan 13, 2004
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Merck Patent GmbH
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Matthias Kuntz
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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