Azonia diazo ketones
Abstract
Abstract THIS INVENTION CONCERNS AZONIA DIAZO KETONES HAVING THE FOLLOWING STRUCTURE: (2-R2,3-R3,7-(O=),8-(N2=),9-R1,10-R4,11-R5-BENZO(B) QUINOLIZINIUM)N (X(-))N WHEREIN XO REPRESENTS AN ANION SUCH AS A HALIDE ION, A PERCHLORATE ION, A TETAFLUOROBORATE ION, OR THE LIKE, N IS A WHOLE INTERGER 1 OR 2; R1 AND R2 EACH REPRESENTS A HYDROGEN ATOM, AN ALKYL (E.G. 1-8 CARBON ATOMS), ARALKYL, CYCLOALKYL, ALKOXY OR ARYL GROUP, SAID GROUP OPTIONALLY CONTAINING HETERO ATOMS, OR SAID GROUP BEING OPTIONALLY SUBSTITUTED; R3 REPRESENTS A HYDROGEN ATOM OR THE ATOMS NECESSARY TO COMPLETE AN AROMATIC CARBOCYCLIC RING WITH R2, SAID RING BEING OPTIONALLY SUBSTITUTED; R5 RPRESENTS A HYDROGEN ATOM, ALKYL GROUPS OR PHENYL GROUPS OPIONALLY SUBSTITUTED; AND R4, WHEN N=2, REPRESENTS AN ALKYLENE GROUP OR CHEMICAL BOND AND, WHEN N=1, R4 REPRESENTS A HYDROGEN ATOM, AN ALKYL GROUP (E.G. 1-8 CARBON ATOMS), OR AN ARYL GROUP, AND THE TUSE OF THESE KETONES IN PHOTORESIST COMPOSITIONS AND IN LITHOGRAPHY.
Inventors
- 👤 Kenneth R Dunham
- 👤 Donald L Fields
- 👤 Douglas G Borden
- 👤 Jerry B Mille
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |