| 10336124 |
Security element comprising an interference pigment and a nanometric filler |
Jacques Machizaud, Aurelie Maman |
2019-07-02 |
| 10328738 |
Security element comprising a masking structure containing a mixture of nanometric fillers |
Jacques Machizaud, Aurelie Maman |
2019-06-25 |
| 9701151 |
Security thread |
Pierre Doublet |
2017-07-11 |
| 8449719 |
Security paper |
Stephane Mallol, Ivan Thierry, Pierre Doublet |
2013-05-28 |
| 8439402 |
Optical structure, in particular for a security document and/or a document of value |
Henri Rosset |
2013-05-14 |
| 8397995 |
Security structure including nematic liquid crystals |
— |
2013-03-19 |
| 8372241 |
Process for manufacturing a sheet material |
Pierre Doublet |
2013-02-12 |
| 8056820 |
Security structure, particularly for a security document and/or a valuable document |
Pierre Doublet, Pascal Marlin |
2011-11-15 |
| 5755694 |
Device for protecting a hypodermic needle |
— |
1998-05-26 |
| 4710614 |
Security document using optical fibers and authentication method |
— |
1987-12-01 |
| 4618402 |
Safety means, paper and document against falsification by chemical agent |
— |
1986-10-21 |