US3699130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halo azido naphthalenes
Assignee: Wyeth Holdings LLC
•
Filing: 1971-05-26
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Granted: 1972-10-17
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Expires: 1991-05-26
Abstract
Abstract Novel halo azido naphthalenes and dry photoimaging processes and compositions employing said naphthalenes are disclosed.
Inventors
- 👤 Balwant Singh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:06
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/675; G03C1/695
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
The compound according to claim 1: 8-azido-2,4-dibromo-1-naphthylamine.
Claim 2
Dependent Claim
7 words
The compound according to claim 1: 1,8-diazido-2,4-dibromonaphthalene.
References 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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |