Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855480 | Photoresist composition | Stephen Wheeler, Robert K. Barr | 2005-02-15 |
| 5922509 | Photoimageable compositions having improved stripping properties in aqueous alkaline solutions | Robert K. Barr | 1999-07-13 |
| 5773518 | Esterified styrene/maleic anhydride polymer | Charles R. Keil | 1998-06-30 |
| 5698370 | Esterified styrene/maleic anhydride polymer and polymer-containing photoimageable composition having improved alkaline process resistance | Charles R. Keil | 1997-12-16 |
| 5698376 | Method of producing a resist pattern by contact imaging a photoimageable composition providing a tack-free surface | James J. Briguglio, Charles R. Keil, Vinai Ming Tara, Edward J. Reardon | 1997-12-16 |
| 5609991 | Photoimageable composition having improved alkaline process resistance and tack-free surface for contact imaging | James J. Briguglio, Charles R. Keil, Vinai Ming Tara, Edward J. Reardon | 1997-03-11 |
| 5576145 | Esterified styrene/maleic anhydride polymer and polymer-containing photoimageable composition having improved alkaline process resistance | Charles R. Keil | 1996-11-19 |
| 5225312 | Positive photoresist containing dyes | Sunit S. Dixit, Richard M. Lazarus, Thomas P. Carter, Joseph E. Oberlander, Andreas Goehring +1 more | 1993-07-06 |