Inventor
RIDDLE RODNEY
GB13 patents
Patents
13 patentsUS6641874B2Nov 4, 2003
Multilayer reflective film or pigment with viewing angle dependent reflection characteristics
MERCK PATENT GMBH139 citations97
US7081282B2Jul 25, 2006
Optically variable marking
MERCK PATENT GMBH20 citations92
US5614472AMar 25, 1997
Spray-pyrolysis process of preparing superconductor precursors
MERCK PATENT GMBH37 citations89
US7083834B2Aug 1, 2006
Method of preparing an anisotropic polymer film on a substrate with a structured surface
MERCK PATENT GMBH21 citations87
US5753026AMay 19, 1998
Process for the preparation of inclusion pigments
MERCK PATENT GMBH35 citations87
US6419736B1Jul 16, 2002
Sulfide and oxysulphide pigments
MERCK PATENT GMBH17 citations84
US7344762B2Mar 18, 2008
Printable liquid crystal material
MERCK PATENT GMBH12 citations83
US7033653B2Apr 25, 2006
Birefringent marking
MERCK PATENT GMBH8 citations71
US5814585ASep 29, 1998
Bi(Pb)SrCaCuO superconductors
MERCK PATENT GMBH11 citations71
US5177055AJan 5, 1993
Process for the preparation of superconductor precursor metal oxide powders comprising spraying a mixed metal salt solution into a horizontal furnace
MERCK PATENT GMBH14 citations64
US7297292B2Nov 20, 2007
Flakes comprising non-chiral liquid crystal material
MERCK PATENT GMBH4 citations62
US7041233B2May 9, 2006
Method of generating a 3-dimensional effect
MERCK PATENT GMBH5 citations62
US7495740B2Feb 24, 2009
Birefringent marking
MERCK PATENT GMBH1 citations50