Issued Patents All Time
Showing 101–123 of 123 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950640 | Infrared absorbing merocyanine dyes for dye-donor element used in laser-induced thermal dye transfer | Charles D. DeBoer | 1990-08-21 |
| 4950639 | Infrared absorbing bis(aminoaryl)polymethine dyes for dye-donor element used in laser-induced thermal dye transfer | Charles D. DeBoer | 1990-08-21 |
| 4948776 | Infrared absorbing chalcogenopyrylo-arylidene dyes for dye-donor element used in laser-induced thermal dye transfer | Charles D. DeBoer | 1990-08-14 |
| 4948777 | Infrared absorbing bis(chalcogenopyrylo)polymethine dyes for dye-donor element used in laser-induced thermal dye transfer | Charles D. DeBoer | 1990-08-14 |
| 4946825 | Arylidene pyrazolone dye-donor element for thermal dye transfer | Helmut Weber | 1990-08-07 |
| 4942141 | Infrared absorbing squarylium dyes for dye-donor element used in laser-induced thermal dye transfer | Charles D. DeBoer | 1990-07-17 |
| 4933226 | Thermal print element comprising a magenta 3-aryl-2-arylazo-5-aminothiazole or aminothiophene dye stabilized with a cyan indoaniline dye | Helmut Weber | 1990-06-12 |
| 4891354 | Thiazolylmethylene-2-pyrazoline-5-one dye-donor element for thermal dye transfer | Helmut Weber | 1990-01-02 |
| 4891353 | Thiazolylmethylene-3,5-pyrazolidinedione dye-donor element for thermal dye transfer | Helmut Weber | 1990-01-02 |
| 4866029 | Arylidene pyrazolone dye-donor element for thermal dye transfer | Helmut Weber | 1989-09-12 |
| 4853366 | Pyrazolidinedione arylidene dye-donor element for thermal dye transfer | Helmut Weber, Donald R. Diehl | 1989-08-01 |
| 4839336 | Alpha-cyano arylidene pyrazolone magenta dye-donor element for thermal dye transfer | Helmut Weber | 1989-06-13 |
| 4769360 | Cyan dye-donor element for thermal dye transfer | Helmut Weber | 1988-09-06 |
| 4743582 | N-alkyl-or n-aryl-aminopyrazolone merocyanine dye-donor element used in thermal dye transfer | Helmut Weber | 1988-05-10 |
| 4738950 | Amino-modified silicone slipping layer for dye-donor element used in thermal dye transfer | Noel R. Vanier | 1988-04-19 |
| 4737457 | Analytical composition, element and method for the determination of hydrogen peroxide | John W. Sutherland | 1988-04-12 |
| 4695287 | Cyan dye-donor element used in thermal dye transfer | Kin K. Lum | 1987-09-22 |
| 4495099 | Non-diffusible magenta compound capable of releasing a 4-(2-heterocyclazo)phenol having a heterocyclic ring fused thereto | James K. Elwood | 1985-01-22 |
| 4481141 | Nondiffusible yellow metallized azo dye-releasing compounds | — | 1984-11-06 |
| 4436799 | Photographic products and processes employing novel nondiffusible magenta dye-releasing compounds and precursors thereof | James K. Elwood | 1984-03-13 |
| 4420550 | Photographic products and processes employing novel nondiffusible magenta dye-releasing compounds and precursors thereof | James K. Elwood | 1983-12-13 |
| 4418131 | Photographic products and processes employing novel nondiffusible yellow dye-releasing compounds and precursors thereof | — | 1983-11-29 |
| 4407931 | Photographic products and processes employing nondiffusible yellow azo metal complexed dye-releasing compounds and precursors thereof | — | 1983-10-04 |