Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6326123 | Positive-working imaging composition and element and method of forming positive image with a laser | Paul R. West, John E. Walls | 2001-12-04 |
| 6117610 | Infrared-sensitive diazonaphthoquinone imaging composition and element containing non-basic IR absorbing material and methods of use | Eugene L. Sheriff, Paul R. West, Thap DoMinh | 2000-09-12 |
| 6090532 | Positive-working infrared radiation sensitive composition and printing plate and imaging method | Paul R. West, Neil F. Haley | 2000-07-18 |
| 6083662 | Methods of imaging and printing with a positive-working infrared radiation sensitive printing plate | Gary R. Miller, Melanie A. Felker, Paul R. West, Neil F. Haley | 2000-07-04 |
| 6060222 | 1Postitve-working imaging composition and element and method of forming positive image with a laser | Paul R. West, John E. Walls | 2000-05-09 |
| 5942372 | Sensitized photopolymerizable compositions and use thereof in lithographic printing plates | Paul R. West | 1999-08-24 |
| 5925498 | Photosensitive polymer composition and element containing photosensitive polyamide and mixture of acrylates | Thap DoMinh, Paul R. West, John Kalamen, Christopher J. Kloxin | 1999-07-20 |
| 5914215 | Sensitized photopolymerizable compositions and use thereof in lithographic printing plates | Paul R. West | 1999-06-22 |
| 5888700 | Lithographic printing plates having a photopolymerizable imaging layer overcoated with an oxygen barrier layer | Paul R. West | 1999-03-30 |
| 5821030 | Lithographic printing plates having a photopolymerizable imaging layer overcoated with an oxygen barrier layer | Paul R. West | 1998-10-13 |
| 5776655 | Peel-developable lithographic printing plate | Paul R. West | 1998-07-07 |
| 5759742 | Photosensitive element having integral thermally bleachable mask and method of use | Paul R. West | 1998-06-02 |
| 5705322 | Method of providing an image using a negative-working infrared photosensitive element | Paul R. West, Eugene L. Sheriff, Ralph Scott Schneebeli, Thomas Jordan, Gary R. Miller | 1998-01-06 |
| 5705309 | Photosensitive composition and element containing polyazide and an infrared absorber in a photocrosslinkable binder | Paul R. West | 1998-01-06 |
| 5629354 | Photopolymerization initiator system comprising a spectral sensitizer and a polycarboxylic acid co-initiator | Paul R. West | 1997-05-13 |