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Birefringent marking
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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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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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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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Sulfide and oxysulphide pigments
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Issue date Jul 16, 2002
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Merck Patent Gesellschaft mit beschrankter Haftung
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Gerhard Pfaff
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Bi(Pb)SrCaCuO superconductors
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Issue date Sep 29, 1998
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Merck Patent Gesellschaft mit beschrankter Haftung
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Rodney Riddle
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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