Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5812186 | Three-dimensional display method(s) and apparatus | Stephen J. Telfer | 1998-09-22 |
| 5795981 | Processes for the preparation of squarylium dyes | John Lee, Donald A. McGowan, Socorro M. Ramos, Stephen J. Telfer | 1998-08-18 |
| 5750464 | Thermographic recording | Edward J. Dombrowski, Donna J. Guarrera, Robert L. Jones, John C. Warner, Jiyue Yang | 1998-05-12 |
| 5667943 | Process for thermochemical generation of acid and for thermal imaging, and imaging medium for use therein | Roger A. Boggs, Jurgen M. Grasshoff, Anthony J. Puttick, Stephen J. Telfer, David P. Waller +1 more | 1997-09-16 |
| 5534393 | Process for thermochemical generation of acid and for thermal imaging | Roger A. Boggs, Jurgen M. Grasshoff, Anthony J. Puttick, Stephen J. Telfer, David P. Waller +1 more | 1996-07-09 |
| 5534388 | Process for generation of acid and for imaging, and imaging medium for use therein | Jurgen M. Grasshoff, John Marshall, Richard A. Minns, Anthony J. Puttick, Lloyd D. Taylor +1 more | 1996-07-09 |
| 5492795 | Squarylium dyes, and processes and intermediates for the preparation thereof | Richard M. Allen, Peter K. Chu, John Lee, Donald A. McGowan, Socorro M. Ramos +1 more | 1996-02-20 |
| 5445917 | Imaging medium | Jurgen M. Grasshoff, John Marshall, Richard A. Minns, Anthony J. Puttick, Lloyd D. Taylor +1 more | 1995-08-29 |
| 5411929 | Thermally-processable image recording materials including substituted purine compounds | Maureen F. Ford, Donna J. Guarrera, Ramdas Pai, John C. Warner | 1995-05-02 |
| 5401619 | Process for thermochemical generation of acid and for thermal imaging, and imaging medium for use therein | Roger A. Boggs, Jurgen M. Grasshoff, Anthony J. Puttick, Stephen J. Telfer, David P. Waller +1 more | 1995-03-28 |
| 5395736 | Process for generation of acid and for imaging, and imaging medium for use therein | Jurgen M. Grasshoff, John Marshall, Richard A. Minns, Anthony J. Puttick, Lloyd D. Taylor +1 more | 1995-03-07 |
| 5354873 | Squarylium dyes, and processes and intermediates for the preparation thereof | Richard M. Allen, Peter K. Chu, John Lee, Donald A. McGowan, Socorro M. Ramos +1 more | 1994-10-11 |
| 5334489 | Process for generation of squaric acid and for imaging, and imaging medium for use therein | Jurgen M. Grasshoff, Stephen J. Telfer | 1994-08-02 |
| 5278031 | Process for thermochemical generation of squaric acid and for thermal imaging, and imaging medium for use therein | Roger A. Boggs, Jurgen M. Grasshoff, Anthony J. Puttick, Stephen J. Telfer, David P. Waller +1 more | 1994-01-11 |
| 5227498 | Squarylium dyes, and processes and intermediates for the preparation thereof | John Lee, Donald A. McGowan, Socorro M. Ramos, Stephen J. Telfer | 1993-07-13 |
| 5227499 | Substituted squarylium dyes, and processes and intermediates for the preparation thereof | Donald A. McGowan, Stephen J. Telfer | 1993-07-13 |