Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169831 | Pavement marking composition comprising ceramic fibers | Eric E. Rice | 2007-01-30 |
| 6329128 | Stable antihalation materials for photographic and photothermographic elements | Charles W. Gomez, William D. Ramsden | 2001-12-11 |
| 5395747 | Stabilized thermal-dye-bleach constructions | William D. Ramsden, Roger A. Mader | 1995-03-07 |
| 5384237 | Quaternary-ammonium phenylsulfonylacetate thermal-dye-bleach agents | Dian E. Stevenson, Mark P. Kirk, Sylvia A. Farnum, William C. Frank, Jonathan P. Kitchin +7 more | 1995-01-24 |
| 5380635 | Dihydroperimidine squarylium dyes as antihalation and acutance materials for photographic and photothermographic articles | Charles W. Gomez, Lori S. Harring, William D. Ramsden, Tran Van Thien | 1995-01-10 |
| 5324627 | Tetra-alkylammonium phenylsulfonylacetate thermal-dye-bleach agents | Dian E. Stevenson, Mark P. Kirk, Sylvia A. Farnum, William C. Frank, Jonathan P. Kitchin +7 more | 1994-06-28 |
| 5314795 | Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent | Sylvia A. Farnum, Mark P. Kirk, Jonathan P. Kitchin, Roger A. Mader, Mark B. Mizen +6 more | 1994-05-24 |
| 5266452 | Photographic element containing a thermal dye bleach system | Jonathan P. Kitchin, Mark P. Kirk, Dian E. Stevenson | 1993-11-30 |
| 5258274 | Thermal dye bleach construction sensitive to ultraviolet radiation | George V. D. Tiers, Dian E. Stevenson | 1993-11-02 |
| 5135842 | Thermal dye bleach construction | Jonathan P. Kitchin, Mark P. Kirk, Dian E. Stevenson | 1992-08-04 |
| 4752559 | Primer/antihalation coating for photothermographic constructions | Gregory J. McCarney | 1988-06-21 |
| 4681830 | Fluorinated carbon-containing developer composition | Craig Burton | 1987-07-21 |