Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652636 | Phthalocyanine cyan dye with appended chelating arm to induce monomer dye formation and increased chroma | Hiang P. Lauw | 2003-11-25 |
| 6494942 | Dye-based ink jet compositions having improved stability and light fastness | James D. White, Christopher Lincoln | 2002-12-17 |
| 6465065 | Metal catalyzed ascorbate compounds as oxygen scavengers | Fred N. Teumac, Bruce D. Zenner, Bert A. Ross, Mahmood R. Rassouli | 2002-10-15 |
| 5858075 | Dye set for improved ink-jet image quality | Hiang P. Lauw, Mary Austin | 1999-01-12 |
| 5851273 | Dye set for improved ink-jet print quality | Peter C. Morris, David H. Donovan, Gregg A. Lane | 1998-12-22 |
| 5788754 | Ink-jet inks for improved image quality | Mary Austin, Hiang P. Lauw | 1998-08-04 |
| 5492742 | Packages and containers comprising salicylic acid chelates as oxygen scavengers | Bruce D. Zenner, Fred N. Teumac, Bert A. Ross | 1996-02-20 |
| 5364555 | Polymer compositions containing salicylic acid chelates as oxygen scavengers | Bruce D. Zenner, Fred N. Teumac, Bert A. Ross | 1994-11-15 |
| 5202052 | Amino polycarboxylic acid compounds as oxygen scavengers | Bruce D. Zenner, Fred N. Teumac, Bert A. Ross | 1993-04-13 |
| 4959135 | Polyalkylamine complexes for ligand extraction and generation | Bruce D. Zenner, Joseph P. Ciccone, Emory S. De Castro, John B. Kerr | 1990-09-25 |