Patent US5365926A successfully refreshed from Google Patents.
US5228434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixture for anesthesia
Assignee: Praxair Technology Inc
•
Filing: 1991-12-13
•
Granted: 1993-07-20
•
Expires: 2011-12-13
Abstract
Abstract A method for anesthetizing a patient comprising providing to the patient for breathing stable xenon, oxygen and helium and a gas mixture suitable therefor.
Inventors
- 👤 Royce S. Fishman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:00
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/104; A61K; A61K33/00; A61M16/105; A61M16/1055; A61M16/106; A61M16/1065; A61M16/22; A61M2202/00; A61M2202/02; A61M2202/025; A61M2202/0291; Y; Y02; Y02C; Y02C20/00; Y02C20/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
27 words
A mixture consisting of from 60 to 78.5 mole percent stable xenon, from 19.5 to 38 mole percent oxygen and from 2.5 to 20.5 mole percent helium.
Claim 2
Dependent Claim
27 words
A mixture consisting of from 60 to 78.5 mole percent stable xenon, from 19.5 to 38 mole percent oxygen and from 2.5 to 20.5 mole percent helium.
Claim 3
Dependent Claim
22 words
The mixture of claim 1 wherein e mixture is a gas mixture which is particularly useful as an anesthetic by patient inhalation.
Claim 4
Dependent Claim
9 words
The mixture of claim 1 contained in a cylinder.
Claim 5
Dependent Claim
23 words
The mixture of claim 1 wherein the xenon is present in a concentration within the range of rom 65 to 78.5 mole percent.
Claim 6
Dependent Claim
23 words
The mixture of claim 1 wherein the oxygen is present in a concentration within the range of from 20 to 24 mole percent.
Claim 7
Dependent Claim
23 words
The mixture of claim 1 wherein the helium is present in a concentration within the range of from 7.5 to 15 mole percent.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-07-19 | 1997-01-18 | 1997-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-07-19 | 2001-01-18 | 2001-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-07-19 | 2005-01-18 | 2005-07-20 | $7700.00 | Window Closed / Lapsed |