Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6307085 | Process and composition for generation of acid | Jurgen M. Grasshoff, John Marshall, Richard A. Minns, Stephen G. Stroud, Stephen J. Telfer +3 more | 2001-10-23 |
| 6242154 | Process and composition for generation of acid | Jurgen M. Grasshoff, John Marshall, Richard A. Minns, Stephen G. Stroud, Stephen J. Telfer +3 more | 2001-06-05 |
| 6110638 | Process and composition for generation of acid | Roger A. Boggs, Jurgen M. Grasshoff, Eric S. Kolb, John Marshall, Richard A. Minns +3 more | 2000-08-29 |
| 6004719 | Imaging medium and process for producing an image | Russell Gaudiana, Robert W. Haddock, Serajul Haque, Iris B. Kliman Bloom, John Marshall +3 more | 1999-12-21 |
| 5977351 | Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use | Peter K. Chu, Serajul Haque, Anthony J. Puttick, Robert P. Short, Stephen G. Stroud +2 more | 1999-11-02 |
| 5914213 | Process and composition for generation of acid | Jurgen M. Grasshoff, John Marshall, Richard A. Minns, Stephen G. Stroud, Stephen J. Telfer +3 more | 1999-06-22 |
| 5795981 | Processes for the preparation of squarylium dyes | John Lee, Donald A. McGowan, Mark R. Mischke, Stephen J. Telfer | 1998-08-18 |
| 5627014 | Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use | Peter K. Chu, Serajul Haque, Anthony J. Puttick, Robert P. Short, Stephen G. Stroud +2 more | 1997-05-06 |
| 5492795 | Squarylium dyes, and processes and intermediates for the preparation thereof | Richard M. Allen, Peter K. Chu, John Lee, Donald A. McGowan, Mark R. Mischke +1 more | 1996-02-20 |
| 5405976 | Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use | Stephen J. Telfer, Robert P. Short, Stephen G. Stroud, Anthony J. Puttick, Michael J. Zuraw | 1995-04-11 |
| 5354873 | Squarylium dyes, and processes and intermediates for the preparation thereof | Richard M. Allen, Peter K. Chu, John Lee, Donald A. McGowan, Mark R. Mischke +1 more | 1994-10-11 |
| 5262549 | Benzpyrylium dyes, and processes for their preparation and use | Stephen J. Telfer, Michael J. Zuraw | 1993-11-16 |
| 5227498 | Squarylium dyes, and processes and intermediates for the preparation thereof | John Lee, Donald A. McGowan, Mark R. Mischke, Stephen J. Telfer | 1993-07-13 |