|
|
|
|
|
Legal status
Patent not validated
| (51) | INT.CL. | B41M 3/00 |
| (11) | Number of the document | 3067214 |
| (13) | Kind of document | T |
| (96) | European patent application number | 15159107.0 |
| Date of filing the European patent application | 2015-03-13 | |
| (97) | Date of publication of the European application | 2016-09-14 |
| (45) | Date of publication and mention of the grant of the patent | 2017-12-20 |
| (46) | Date of publication of the claims translation |
| (72) |
Bollström, Roger, CH
Schoelkopf, Joachim, CH
Gane, Patrick A.C., CH
|
| (73) |
Omya International AG,
Baslerstrasse 42, 4665 Oftringen,
CH
|
| (54) | METHOD FOR CREATING A HIDDEN PATTERN |
| METHOD FOR CREATING A HIDDEN PATTERN |