Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7608388 | Inkjet-imageable lithographic printing members and methods of preparing and imaging them | Eugene L. Langlais | 2009-10-27 |
| 6796235 | Chemical imaging of a lithographic printing plate | Bruce R. Harrison | 2004-09-28 |
| 6691618 | Chemical imaging of a lithographic printing plate | Lawrence D. David, David B. West | 2004-02-17 |
| 6523471 | Chemical imaging of a lithographic printing plate | Bruce R. Harrison | 2003-02-25 |
| 6315916 | Chemical imaging of a lithographic printing plate | Bruce R. Harrison | 2001-11-13 |
| 5688627 | Light sensitive diazonium compounds having both bisulfate and zincate parts, method of making the compounds and compositions utilizing them | — | 1997-11-18 |
| 4777111 | Photographic element with diazo contrast enhancement layer and method of producing image in underlying photoresist layer of element | David Blumel | 1988-10-11 |
| 4672021 | Contrast enhancement layer composition with naphthoquinone diazide, indicator dye and polymeric binder | David Blumel | 1987-06-09 |
| 4391894 | Colored photosensitive composition | Ken-ichi Shimazu | 1983-07-05 |
| 4379830 | Developer for positive photolithographic articles | Christopher F. Lyons, Robert Piller | 1983-04-12 |
| 4299907 | Storage stable photosensitive diazo lithographic printing plates | Stephen E. Burkle, Robert Piller | 1981-11-10 |