Issued Patents All Time
Showing 25 most recent of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9738811 | Phase change inks containing wax-soluble near-infrared dyes | Jule W. Thomas, Jr., Bo Wu, Stephan V. Drappel | 2017-08-22 |
| 9528015 | Phase change ink compositions comprising crystalline diurethanes and derivatives thereof | Naveen Chopra, Jennifer L. Belelie, Gabriel Iftime, Kentaro Morimitsu, Peter G. Odell | 2016-12-27 |
| 9422440 | Bis-ureas as amorphous materials for phase-change ink | Naveen Chopra, Adela Goredema, Kentaro Morimitsu, Stephan V. Drappel | 2016-08-23 |
| 9394319 | Boron subphthalocyanine compounds and method of making | Wolfgang G. Wedler, Stephan V. Drappel | 2016-07-19 |
| 9193869 | Dye compounds, method of making the compounds and ink composition employing the compounds | Jule W. Thomas, Jr., Bo Wu, Stephan V. Drappel | 2015-11-24 |
| 9096767 | Curable solid inks containing cyclohexyl-based crystalline gellants | Naveen Chopra, Barkev Keoshkerian, Daryl W. Vanbesien, Jenny Eliyahu, Stephan V. Drappel +3 more | 2015-08-04 |
| 8981088 | Boron subphthalocyanine compounds and method of making | Wolfgang G. Wedler, Stephan V. Drappel | 2015-03-17 |
| 8974047 | Phase change ink containing ethylene vinyl acetate | Salma Falah Toosi, Mihaela Maria Birau, Biby Esther Abraham, Stephan V. Drappel, James D. Mayo +2 more | 2015-03-10 |
| 8961673 | Phase change ink compositions comprising diurethanes as amorphous materials | Naveen Chopra, Stephan V. Drappel, Jennifer L. Belelie, Gabriel Iftime, Kentaro Morimitsu +1 more | 2015-02-24 |
| 8884012 | Dye compound and method of making the compound | Bo Wu, Nathan G. Starr, Stephan V. Drappel | 2014-11-11 |
| 8882256 | Low molecular weight amide gellants and methods for making the same | Naveen Chopra, Barkev Keoshkerian, Daryl W. Vanbesien, Jenny Eliyahu, Stephan V. Drappel +3 more | 2014-11-11 |
| 8851648 | Blends of semi-crystalline materials for inks for direct-to-paper printing | Stephan V. Drappel, Peter G. Odell, Paul J. McConville, Jennifer Rea | 2014-10-07 |
| 8833917 | Solid ink compositions comprising crystalline-amorphous mixtures | Jennifer L. Belelie, Peter G. Odell, Stephan V. Drappel, Kentaro Morimitsu, Naveen Chopra +4 more | 2014-09-16 |
| 8747535 | Solid ink compositions comprising crystalline-amorphous mixtures | Naveen Chopra, Guerino G. Sacripante, Adela Goredema, Kentaro Morimitsu, Stephan V. Drappel | 2014-06-10 |
| 8372188 | Compounds suitable for use in inks and inks having such compounds | Stephan V. Drappel, Michael B. Meinhardt, Randall R. Bridgeman, Alex J. Kugel | 2013-02-12 |
| 8328923 | Compounds suitable for use in inks and inks having such compounds | Stephan V. Drappel, Michael B. Meinhardt, Randall R. Bridgeman, Alex J. Kugel | 2012-12-11 |
| 8303671 | Colorant compounds | — | 2012-11-06 |
| 8236870 | Curable solid ink compositions | Marcel P. Breton, Michelle N. Chretien, Stephan V. Drappel, Ian R. Duffy, Christopher A. Wagner | 2012-08-07 |
| 8168359 | Nanosized particles of phthalocyanine pigments | James D. Mayo, Rina Carlini, Adela Goredema, Peter G. Odell | 2012-05-01 |
| 8163074 | Phase change inks containing colorant compounds | — | 2012-04-24 |
| 8128300 | Hand held photochromic marking implement | Alexander J. Kugel | 2012-03-06 |
| 8070866 | Compounds suitable for use in inks and inks having such compounds | Stephan V. Drappel, Michael B. Meinhardt, Randall R. Bridgeman, Alex J. Kugel | 2011-12-06 |
| 8057589 | Phase change inks | — | 2011-11-15 |
| 8029610 | Compounds suitable for use in inks and inks having such compounds | Stephan V. Drappel, Michael B. Meinhardt, Randall R. Bridgeman, Alex J. Kugel | 2011-10-04 |
| 7997712 | Phase change inks containing colorant compounds | — | 2011-08-16 |