Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232757 | Enhancement of positive contrast in optical recording | Harris A. Goldberg, Rachel S. Kohn | 1993-08-03 |
| 5139837 | Optical information medium exhibiting sharp threshold for marking and excellent CNR | Harris A. Goldberg, Frank J. Onorato | 1992-08-18 |
| 5053323 | Optical information media comprising phenyl-substituted naphthalocyanines and synthesis thereof | James P. Shepherd | 1991-10-01 |
| 5023167 | Optical information card | Frank J. Onorato | 1991-06-11 |
| 5021511 | Polymer compositions derived from acryloxyalkylcyanoacetamides | Gary Robert Larson, William D. Emmons | 1991-06-04 |
| 4997744 | Process for coating a polycarbonate or polymethylmethacrylate containing base | David E. Nikles | 1991-03-05 |
| 4977068 | Novel siloxy substituted naphthalocyanines and method of preparation | — | 1990-12-11 |
| 4929537 | Photoresist compositions based on hydroxystyrene copolymers | Balaram Gupta | 1990-05-29 |
| 4869994 | Photoresist compositions based on hydroxystyrene copolymers | Balaram Gupta | 1989-09-26 |
| 4854676 | Bistable optical devices | Anthony F. Garito | 1989-08-08 |
| 4824758 | Photoresist compositions based on acetoxystyrene copolymers | Balaram Gupta | 1989-04-25 |
| 4631249 | Process for forming thermally stable negative images on surfaces utilizing polyglutarimide polymer in photoresist composition | — | 1986-12-23 |
| 4569897 | Negative photoresist compositions with polyglutarimide polymer | — | 1986-02-11 |
| 4503248 | Substituted-quaterphenylene monomers for the production of polyamides therefrom | Russell Gaudiana | 1985-03-05 |
| 4393194 | Substituted-quaterphenylene polyamide | Russell Gaudiana | 1983-07-12 |