Issued Patents All Time
Showing 25 most recent of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631101 | Ionic liquid release coat for use in metal flake manufacture | — | 2017-04-25 |
| 8389075 | Sulfur-containing inorganic media coatings for ink-jet applications | Steven D. Looman, Eric L. Burch, Gary Allan Ungefug, Rolf Steiger, Pierre-Alain Brugger +1 more | 2013-03-05 |
| 8263196 | Protection of printed images from gasfade | Matthew Thornberry | 2012-09-11 |
| 8177346 | Additives to eliminate bronzing of ink-jet inks printed on photo media | Linda C. Uhlir-Tsang, Mary Austin, LeAnn Bell | 2012-05-15 |
| 8147602 | Dye-based ink | Hiang P. Lauw, Linda C. Uhlir-Tsang | 2012-04-03 |
| 7976623 | Ink-jet inks containing sulfonated aromatic compounds for reducing ozone fade | Linda C. Uhlir-Tsang, Marlene McGorrin | 2011-07-12 |
| 7829608 | Polymeric additives to improve print quality and permanence attributes in ink-jet inks | Joseph W. Tsang | 2010-11-09 |
| 7794535 | Pigments stabilized to acid challenge | — | 2010-09-14 |
| 7704575 | Additives to eliminate bronzing of ink-jet inks | Linda C. Uhlir-Tsang, Tye Dodge | 2010-04-27 |
| 7674328 | Dye-based ink | Hiang P. Lauw, Linda C. Uhlir-Tsang | 2010-03-09 |
| 7446134 | Polymeric additives to improve print quality and permanence attributes in ink-jet inks | Joseph W. Tsang | 2008-11-04 |
| 7435291 | Amine- and phthalocyanine dye-containing ink-jet inks with improved ozone fastness | Linda C. Uhlir-Tsang, Joseph W. Tsang | 2008-10-14 |
| 7435448 | Sulfur-containing inorganic media coatings for ink-jet applications | Steven D. Looman, Eric L. Burch, Gary Allan Ungefug, Rolf Steiger, Pierre-Alain Brugger +1 more | 2008-10-14 |
| 7416594 | Pigments stabilized to acid challenge | — | 2008-08-26 |
| 7083671 | Metallized dye-based ink-jet inks with improved ozone fastness | Linda C. Uhlir-Tsang | 2006-08-01 |
| 7052535 | Additives to eliminate bronzing of inkjet ink formulations on specialty quick-dry inkjet photographic media | Linda C. Uhlir-Tsang, Mary Austin | 2006-05-30 |
| 6986572 | Use of cationic surfactant to improve print quality of dyebased inkjet inks | Hiang P. Lauw | 2006-01-17 |
| 6852153 | Nonionic additives to control puddling in inkjet inks | Linda C. Uhlir-Tsang | 2005-02-08 |
| 6814789 | Use of additives to reduce puddling in inkjet inks | Linda C. Uhlir-Tsang, Mary Austin | 2004-11-09 |
| 6786957 | Aqueous ink-jet inks for printing on commercial offset coated media | Mark L. Choy, Joseph W. Tsang | 2004-09-07 |
| 6767640 | Anti-ozonants covalently attached to silica gel for use in glossy print media | — | 2004-07-27 |
| 6602335 | Pigment solubilization via treatment with strong base and substitution | Joseph W. Tsang | 2003-08-05 |
| 6478418 | Inkjet ink having improved directionality by controlling surface tension and wetting properties | Paul F. Reboa, William R. Knight | 2002-11-12 |
| 6468340 | Laked dye solubilization with complexing agent | Joseph W. Tsang | 2002-10-22 |
| 6450632 | Underprinting fluid compositions to improve inkjet printer image color and stability | Joseph W. Tsang | 2002-09-17 |