Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9200204 | Identification and authentication using polymeric liquid crystal material markings | Xavier Marguerettaz, Frédéric Gremaud, Aurélien Commeureuc, Vickie Aboutanos, Thomas Tiller | 2015-12-01 |
| 8864037 | Multilayer flake with high level of coding | Andrea Callegari, Frédéric Gremaud, Cecile Pasquier, Tristan Jauzein, Brahim Kerkar +2 more | 2014-10-21 |
| 8821756 | Substrate with a modified liquid crystal polymer marking | Thomas Tiller, Tristan Jauzein, Andrea Callegari, Frédéric Gremaud, Brahim Kerkar | 2014-09-02 |
| 8740088 | Identification and authentication using liquid crystal material markings | Xavier Marguerettaz, Frédéric Gremaud, Aurélien Commeureuc, Vickie Aboutanos, Thomas Tiller | 2014-06-03 |
| 8734679 | Identification and authentication using liquid crystal material markings | Xavier Marguerettaz, Frédéric Gremaud, Aurélien Commeureuc, Vickie Aboutanos, Thomas Tiller | 2014-05-27 |
| 8734678 | Identification and authentication using polymeric liquid crystal material markings | Xavier Marguerettaz, Frédéric Gremaud, Aurélien Commeureuc, Vickie Aboutanos, Thomas Tiller | 2014-05-27 |
| 8426014 | Modified marking based on chiral liquid crystal polymers | Thomas Tiller, Frédéric Gremaud, Andrea Callegari, Brahim Kerkar | 2013-04-23 |
| 7798403 | Item carrying at least two data storage elements | Thomas Tiller | 2010-09-21 |
| 7702108 | Use of communication equipment and method for authenticating an item, unit and system for authenticating items, and authenticating device | Maurice A. Amon, Anton Bleikolm, Edgar Müller, Olivier Brémond | 2010-04-20 |
| 7188768 | Printing ink, use of micro-wires as antennas in security documents, method for producing a security document and methods for authentication of security documents | Edgar Müller | 2007-03-13 |
| 6793720 | Solid marking composition as writing means, a writing instrument, an optically variable marking layer and use of a plurality of optically variable pigments | Edgar Müller | 2004-09-21 |
| 6695905 | PIGMENTS HAVING A VIEWING ANGLE DEPENDENT SHIFT OF COLOR, METHOD FOR PRODUCING SAID PIGMENTS, USE OF SAID PIGMENTS IN SECURITY APPLICATIONS, COATING COMPOSITION COMPRISING SAID PIGMENTS AND A DETECTING DEVICE | Edgar Müller | 2004-02-24 |
| 6673420 | Inorganic sheet carrying symbols for making pigments | Edgar Müller, Anton Bleikolm | 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 | Anton Bleikolm, Edgar Müller | 2003-02-18 |
| 6472455 | Ink composition comprising first and second optically variable pigments | Anton Bleikolm, Edgar Müller | 2002-10-29 |
| 6306929 | Bleeding ink for printing security documents | Philippe Amon, Anton Bleikolm, Pandelis PAPADIMITRIOU | 2001-10-23 |
| 6200628 | Use of inorganic particles and method for making and identifying a substrate or an article | Edgar Müller | 2001-03-13 |
| 6160046 | Abrasion-removable coating and method of application | Anton Bleikolm, Patrick Veya | 2000-12-12 |
| 5658964 | Highly reactive printing inks | Philippe Amon, Haim Bretler, Anton Bleikolm, Pierre Degott | 1997-08-19 |
| RE34389 | Security document printing ink | Albert Amon, Anton Bleikolm, Pierre Degott, Haim Bretler | 1993-09-28 |
| 4966628 | Security document printing ink | Albert Amon, Anton Bleikolm, Pierre Degott, Haim Bretler | 1990-10-30 |