US4017519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoro dioxolane anesthetic compounds
Assignee: Datex Ohmeda Inc
•
Filing: 1975-09-24
•
Granted: 1977-04-12
•
Expires: 1995-09-24
Abstract
Abstract Cyclic ether compounds of the formula ##STR1## wherein n is zero or one, and each X is F when n is zero and is H when n is one, are useful as inhalation anesthetics.
Inventors
- 👤 George L. Moore
- 👤 Ross C. Terrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:00
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/32; C07D317/42
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
29 words
A cyclic ether compound of the formula ##STR4##wherein n is zero or one, and each X is F when n is zero and is H when n is one.
Claim 2
Dependent Claim
29 words
A cyclic ether compound of the formula ##STR4##wherein n is zero or one, and each X is F when n is zero and is H when n is one.
Claim 3
Dependent Claim
14 words
The compound of claim 1 wherein n is zero and each X is F.
Claim 4
Dependent Claim
14 words
The compound of claim 1 wherein n is one and each X is H.
References Cited (Backward Citations)
US3699145A
Cited
US3795682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-11 | 1980-10-11 | 1981-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-11 | 1984-10-11 | 1985-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-11 | 1988-10-11 | 1989-04-12 | $7700.00 | Window Closed / Lapsed |