Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982157 | Aqueous laser-sensitive composition for marking substrates | Jonathan Campbell, Robert M. O'Neil | 2018-05-29 |
| 9267042 | Coating composition for marking substrates | Jonathan Campbell | 2016-02-23 |
| 8900414 | Fiber products | — | 2014-12-02 |
| 8853314 | Heat absorbing additives | Marc Andrew Mamak, Urs Lehmann, Ralf Knischka, Francesca Peri | 2014-10-07 |
| 8685116 | Shading process | Alfred Hohener, Frank Bachmann, Chandrasekhar Dayal Mudaliar, Dinesh Narendra Rele, Sneha Shankar Rane +1 more | 2014-04-01 |
| 8585784 | Shading process | Hans Kramer, Frank Bachmann, Christof Dosenbach, Mini Jeevanath, Georg Roentgen +1 more | 2013-11-19 |
| 8178277 | Electromagnetic radiation or thermally sensitive composition | Jonathan Campbell | 2012-05-15 |
| 8101731 | Yellow anionic disazo dyes | Michael Lennartz, Sandra Weiss | 2012-01-24 |
| 8034129 | Aqueous solutions of direct dyes | Holger Lautenbach | 2011-10-11 |
| 7998653 | Coating compositions comprising a latent activator for marking substrates | Karen O'Donoghue, Jonathan Campbell, Alan Platt, John Whitworth, Howard Roger Dungworth | 2011-08-16 |
| 7976586 | 1-phenoxy-2-propanol as a formulating aid for dyes | Holger Lautenbach | 2011-07-12 |
| 7909892 | Aqueous dye solutions | Holger Lautenbach, Michael Heneghan | 2011-03-22 |
| 7799098 | Shading process | Alfred Hohener, Frank Bachmann, Chandrasekhar Dayal Mudaliar, Dinesh Narendra Rele, Sneha Shankar Rane +1 more | 2010-09-21 |
| 7723494 | Yellow anionic disazo dyes | Michael Lennartz, Sandra Weiss | 2010-05-25 |
| 7682406 | Disazo dyes and dye compositions for shading white paper | Wolfgang Schlenker | 2010-03-23 |
| 7527657 | Liquid preparation of a copper phthalocyanine dye | Charles Hunger | 2009-05-05 |
| 7341607 | Yellow anionic disazo dyes | Michael Lennartz, Sandra Weiss | 2008-03-11 |
| 7078497 | Disazo dyes, and copper complexes thereof, for dyeing paper | Holger Lautenbach | 2006-07-18 |
| 6984723 | Use of copper complexes of disazo dyes for dyeing natural and synthetic material | — | 2006-01-10 |
| 6860906 | Process for preparing solutions of anionic organic compounds | Jacek Malisz, Rainer Kaufel, Holger Lautenbach, Elke Polley, Martina Hoffmann | 2005-03-01 |
| 6719906 | Process for the preparation of solutions of anionic organic compounds | Jacek Malisz, Rainer Kaufel, Holger Lautenbach, Elke Polley, Martina Hoffmann | 2004-04-13 |
| 6635092 | Dye mixtures | Wolfgang Schlenker | 2003-10-21 |
| 5674299 | Process for dyeing paper | — | 1997-10-07 |
| 5635607 | Cationic or basic azo dyes consisting of an amino benzothiazole diazo component and a disubstituted aniline component, which dyes contain at least one aromatic radical | — | 1997-06-03 |
| 5487761 | Process for dyeing paper with disazo dyes | — | 1996-01-30 |