Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110641 | Radiation sensitive composition containing novel dye | Peter Trefonas, III, Gerald C. Vizvary | 2000-08-29 |
| 6077643 | Polymers and photoresist compositions | Uday Kumar, Roger F. Sinta, Leonard Edward Bogan, Jr. | 2000-06-20 |
| 6057083 | Polymers and photoresist compositions | Gary N. Taylor | 2000-05-02 |
| 5876899 | Photoresist compositions | Gary N. Taylor, Robert L. Brainard, Manuel DoCanto | 1999-03-02 |
| 5866299 | Negative photoresist composition | Peter Trefonas, III | 1999-02-02 |
| 5674662 | Process for removing metal ions from organic photoresist solutions | Richard J. Carey | 1997-10-07 |
| 5571657 | Modified cation exhange process | Richard J. Carey | 1996-11-05 |
| 5472616 | Modified anion exchange process | Richard J. Carey | 1995-12-05 |
| 5443736 | Purification process | Richard J. Carey | 1995-08-22 |
| 5178986 | Positive photoresist composition with naphthoquinonediazidesulfonate of oligomeric phenol | Anthony Zampini, David C. Madoux, Peter Trefonas, III | 1993-01-12 |
| 4462860 | End point detection | — | 1984-07-31 |