US2799699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxynaphthalenes, esters thereof and their production
Assignee: GD Searle LLC
•
Filing: 1954-08-24
•
Granted: 1957-07-16
•
Expires: 1974-08-24
Abstract
No abstract record available.
Inventors
- 👤 Douglas S Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:38
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/753; C07C45/00; C07C45/61; C07C45/67; C07C45/673
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A COMPOUND OF THE STRUCTURAL FORMULA WHEREIN R IS A MEMBER OF THE CLASS CONSISTING OF HYDROGEN AND LOWER ALKYLCARBONYL RADICALS.
Claim 2
Dependent Claim
21 words
A COMPOUND OF THE STRUCTURAL FORMULA WHEREIN R IS A MEMBER OF THE CLASS CONSISTING OF HYDROGEN AND LOWER ALKYLCARBONYL RADICALS.
References Cited (Backward Citations)
GB514592A
Cited
US2687436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |