Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492804 | Chromogenic leuco redox-dye-releasing compounds for photothermographic elements | Raffaella Biavasco, Lori S. Harring, Larry R. Krepski, Daniel E. Mickus, Mark B. Mizen +2 more | 1996-02-20 |
| 5492803 | Hydrazide redox-dye-releasing compounds for photothermographic elements | Kevin D. Landgrebe, Doreen C. Lynch, Justine A. Mooney, Andrew Mott, Duncan M. A. Grieve +4 more | 1996-02-20 |
| 5492805 | Blocked leuco dyes for photothermographic elements | Larry R. Krepski, Kim M. Vogel | 1996-02-20 |
| 5464738 | Sulfonyl hydrazide developers for photothermographic and thermographic elements | Doreen C. Lynch, Paul G. Skoug | 1995-11-07 |
| 5439790 | Phthalimide blocked post-processing stabilizers for photothermography | Ramaiah Muthyala, Raymond J. Kenney, Frank J. Manganiello, Kumars Sakizadeh | 1995-08-08 |
| 5432041 | Yellow and magenta chromogenic leuco dyes for photothermographic elements | Raffaella Biavasco, Stefano Parodi, Kim M. Vogel | 1995-07-11 |
| 5358843 | Photothermographic elements containing silyl blocking groups | Kumars Sakizadeh, Omar Farooq, Sam Kalousdian | 1994-10-25 |
| 5298390 | Speed enhancers and stabilizers for photothermography | Kumars Sakizadeh, Frank J. Manganiello, Alan R. Katritzky | 1994-03-29 |
| 5196301 | Post-processing stabilization of photothermographic emulsions | John R. Boon, Marco Bucci, Massino Bertoldi, Cristina Soncini, Kumars Sakizadeh | 1993-03-23 |
| 5194623 | Azlactone based photographic reagents | Larry R. Krepski | 1993-03-16 |
| 5175081 | Post-processsing stabilization of photothermographic emulsions | Larry R. Krepski, Kumars Sakizadeh, David R. Whitcomb | 1992-12-29 |
| 5158866 | Post-processing stabilization of photothermographic emulsions with amido compounds | Larry R. Krepski, Kumars Sakizadeh, David R. Whitcomb | 1992-10-27 |
| 5013622 | Supersensitization of silver halide emulsions | John R. Boon | 1991-05-07 |
| 4873184 | Supersensitization of silver halide photothermographic emulsions | — | 1989-10-10 |
| 4619892 | Color photographic element containing three silver halide layers sensitive to infrared | John M. McQuade, John R. Boon | 1986-10-28 |