Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998265 | Paired optically variable security element | Pierre Degott, Edgar Mueller | 2015-04-07 |
| 8794140 | Magnetic orienting and printing | Xiang Li, Claude-Alain Despland, Edgar Mueller, Pierre Degott, Alexandre Sudan | 2014-08-05 |
| 7702108 | Use of communication equipment and method for authenticating an item, unit and system for authenticating items, and authenticating device | Maurice A. Amon, Olivier Rozumek, Edgar Müller, Olivier Brémond | 2010-04-20 |
| 6926764 | Ink set, printed article, a method of printing and use of a colorant | Pierre Degott, Claude-Alain Despland, Edgar Müller | 2005-08-09 |
| 6673420 | Inorganic sheet carrying symbols for making pigments | Edgar Müller, Olivier Rozumek | 2004-01-06 |
| 6521036 | OPTICALLY VARIABLE PIGMENTS PROVIDING A COLOR SHIFT BETWEEN TWO DISTINCT COLORS, COATING COMPOSITION COMPRISING THE SAME, METHOD FOR PRODUCING THE SAME AND SUBSTRATE COATED WITH THE COATING COMPOSITION | Olivier Rozumek, Edgar Müller | 2003-02-18 |
| 6472455 | Ink composition comprising first and second optically variable pigments | Olivier Rozumek, Edgar Müller | 2002-10-29 |
| 6306929 | Bleeding ink for printing security documents | Philippe Amon, Olivier Rozumek, Pandelis PAPADIMITRIOU | 2001-10-23 |
| 6160046 | Abrasion-removable coating and method of application | Olivier Rozumek, Patrick Veya | 2000-12-12 |
| 6114018 | Paired optically variable article with paired optical structures and ink, paint and foil incorporating the same and method | Roger W. Phillips, Charles T. Markantes, Shari Powell Fisher, Robert G. Slusser, Patrick K. Higgins | 2000-09-05 |
| 5807625 | Security document with reversibly photochromic printing inks | Albert Amon, Haim Bretler | 1998-09-15 |
| 5766738 | Paired optically variable article with paired optically variable structures and ink, paint and foil incorporating the same and method | Roger W. Phillips, Charles T. Markantes, Shari Powell Fisher, Robert G. Slusser, Patrick K. Higgins | 1998-06-16 |
| 5658964 | Highly reactive printing inks | Philippe Amon, Haim Bretler, Olivier Rozumek, Pierre Degott | 1997-08-19 |
| 5630869 | Reversibly photochromic printing inks | Albert Amon, Haim Bretler | 1997-05-20 |
| RE34389 | Security document printing ink | Albert Amon, Pierre Degott, Olivier Rozumek, Haim Bretler | 1993-09-28 |
| 4966628 | Security document printing ink | Albert Amon, Pierre Degott, Olivier Rozumek, Haim Bretler | 1990-10-30 |
| 4349655 | Water-dilutable binders carrying oxazolidine groups | Wolfgang Leitner, Georg Pampouchidis | 1982-09-14 |
| 4327200 | Water-dilutable oxazolidine group containing epoxy resin esters, coating compositions prepared therefrom, and their use as cathodically depositable paints | Wolfgang Leitner, Georg Pampouchidis | 1982-04-27 |