Issued Patents 1994
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348842 | Method for producing positive photoresist image utilizing diazo ester of benzolactone ring compound and diazo sulfonyl chloride | Dinesh N. Khanna, Douglas McKenzie, Chester J. Sobodacha | 1994-09-20 |
| 5346806 | Acid-cleavable radiation-sensitive compounds, radiation-sensitive mixture containing these compounds, and radiation-sensitive recording material produced with this mixture | Georg Pawlowski, Horst Roeschert, Walter Spiess, Charlotte Eckes | 1994-09-13 |
| 5346804 | Acid-cleavable radiation-sensitive compounds, positive working radiation-sensitive mixture containing theses compounds, and radiation-sensitive recording material produced with this mixture | Geog Pawlowski, Horst Roeschert, Walter Spiess, Charlotte Eckes | 1994-09-13 |
| 5342727 | Copolymers of 4-hydroxystyrene and alkyl substituted-4-hydroxystyrene in admixture with a photosensitizer to form a photosensitive composition | Richard Vicari, Douglas J. Gordon, William D. Hinsberg, Dennis McKean, Carlton G. Willson | 1994-08-30 |
| 5340682 | Positive-working radiation-sensitive mixture and copying material produced therefrom comprising an .alpha.-carbonyl-.alpha.-sulfonyl diazomethane, a water-insoluble binder and an acid cleavable compound | Georg Pawlowski, Hans-Joachim Merrem, Juergen Lingnau, Horst Roeschert | 1994-08-23 |
| 5338641 | Positive-working radiation-sensitive mixture and copying material produced therefrom comprising an .alpha.,.alpha.-bis(sulfonyl) diazo methane as an acid forming compound | Georg Pawlowski, Hans-Joachim Merrem, Juergen Lingnau, Horst Roeschert | 1994-08-16 |
| 5326826 | Radiation-sensitive polymers containing diazocarbonyl groups and a process for their preparation | Horst Roeschert, Hans-Joachim Merrem, Georg Pawlowski, Juergen Fuchs | 1994-07-05 |
| 5302488 | Radiation-sensitive polymers containing naphthoquinone-2-diazide-4-sulfonyl groups and their use in a positive working recording material | Horst Roeschert, Hans-Joachim Merrem, Georg Pawlowski, Juergen Fuchs | 1994-04-12 |
| 5286602 | Acid-cleavable compounds, positive-working radiation-sensitive mixture containing these compounds, and radiation-sensitive recording material produced with this mixture | Georg Pawlowski, Horst Roeschert, Walter Spiess | 1994-02-15 |