US4762856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anesthetic composition and method of using the same
Assignee: Datex Ohmeda Inc
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Filing: 1987-02-02
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Granted: 1988-08-09
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Expires: 2007-02-02
Abstract
Abstract The present invention is directed to an anestesia inducing composition comprising a mixture of oxygen gas and an anesthesia inducing effective amount of a compound 2-(difluoromethoxy)-1,1,1,2-tetrafluoroethane having the formula ##STR1## The present invention is also directed to methods of inducing and/or maintaining anesthesia by administering the composition in sufficient amounts to warm blooded animals.
Inventors
- 👤 Ross C. Terrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:13
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/075; A61K31/08; A61P; A61P23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A method of inducing anesthesia in a warm blooded animal comprising administering by inhalation to said warm blooded animal an anesthesia inducing effective amount of 2-(difluoromethoxy)-1,1,1,2-tetrafluoroethane as an inhalation anesthetic while administering a life supporting amount of oxygen.
Claim 2
Independent Claim
38 words
A method of inducing anesthesia in a warm blooded animal comprising administering by inhalation to said warm blooded animal an anesthesia inducing effective amount of 2-(difluoromethoxy)-1,1,1,2-tetrafluoroethane as an inhalation anesthetic while administering a life supporting amount of oxygen.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-08-09 | 1992-02-08 | 1992-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-09 | 1996-02-08 | 1996-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-09 | 2000-02-08 | 2000-08-09 | $7700.00 | Window Closed / Lapsed |