| 7495740 |
Birefringent marking |
John Patrick, Rodney Riddle, Matthias Kuntz, Michael Ukelis, Peter Schmitt +1 more |
2009-02-24 |
| 7344762 |
Printable liquid crystal material |
John Patrick, Rodney Riddle |
2008-03-18 |
| 7297292 |
Flakes comprising non-chiral liquid crystal material |
Rodney Riddle, John Patrick |
2007-11-20 |
| 7083834 |
Method of preparing an anisotropic polymer film on a substrate with a structured surface |
Matthias Kuntz, John Patrick, Guy Gregory, Tony Bleasdale, Rodney Riddle +2 more |
2006-08-01 |
| 7081282 |
Optically variable marking |
Matthias Kuntz, Reiner Delp, Rodney Riddle, John Patrick |
2006-07-25 |
| 7041233 |
Method of generating a 3-dimensional effect |
Matthias Kuntz, Rodney Riddle, John Patrick |
2006-05-09 |
| 7033653 |
Birefringent marking |
Matthias Kuntz, Rodney Riddle, John Patrick, Donald Gordon Graham |
2006-04-25 |
| 6953611 |
Anisotropic polymer film |
John Patrick, Alison Linda May |
2005-10-11 |
| 6924861 |
Birefringement film containing liquid crystal material having multi domains with splayed structure |
John Patrick, Donald Gordon Graham |
2005-08-02 |
| 6660345 |
Thermochromic liquid crystalline medium |
David Coates, David I. Bishop |
2003-12-09 |