US3852474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anesthetic trifluoromethylcyclobutanes
Assignee: WR Grace and Co Conn
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Filing: 1971-09-07
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Granted: 1974-12-03
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Expires: 1991-09-07
Abstract
Abstract Certain trifluoromethylcyclobutanes are disclosed which possess utility as inhalation anesthetics. They are: 1-chloro-2trifluoromethyl-2,3,3-trifluorocyclobutane, 1-bromo-2trifluoromethyl-2,3,3-trifluorocyclobutane, 1-methyl-2trifluoromethyl-2,3,3-trifluorocyclobutane and 1,2,3,3tetrafluoro-2-trifluoromethylcyclobutane.
Inventors
- 👤 C Simons
- 👤 R Holdsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:54
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/02; A61K31/025
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
37 words
THE PROCESS OF INDUCING ANESTHESIA IN A MAMMAL WHICH COMPRISES ADMINISTERING BY INHALATION TO SAID MANNAL AN EFFECTIVE QUANTITY TO INDUCE ANESTHESIA OF A CYCLOBUTANE SELECTED FROM THE GROUP CONSISTING OF THE 1-CHLORO-2TRIFLUOROMETHYL-2,3,3-TRIFLUOROCYCLOBUTANE, 1-BROMO-2TRIFLUOROMETHYL-2,3,3-TRIFLUOROCYCLOBUTANE, 1-METHYL-2YTIGLUOTOMRYHYL-2,3,3-TRIFLUOROCYCLOBUTANE AND 1,2,3,TETRAFLUORO-2-TRIFLUOROMETHYLCYCLOBUTANE.
Claim 2
Dependent Claim
37 words
THE PROCESS OF INDUCING ANESTHESIA IN A MAMMAL WHICH COMPRISES ADMINISTERING BY INHALATION TO SAID MANNAL AN EFFECTIVE QUANTITY TO INDUCE ANESTHESIA OF A CYCLOBUTANE SELECTED FROM THE GROUP CONSISTING OF THE 1-CHLORO-2TRIFLUOROMETHYL-2,3,3-TRIFLUOROCYCLOBUTANE, 1-BROMO-2TRIFLUOROMETHYL-2,3,3-TRIFLUOROCYCLOBUTANE, 1-METHYL-2YTIGLUOTOMRYHYL-2,3,3-TRIFLUOROCYCLOBUTANE AND 1,2,3,TETRAFLUORO-2-TRIFLUOROMETHYLCYCLOBUTANE.
Claim 3
Dependent Claim
11 words
The process of claim 1 wherein the cyclobutane administered is 1-chloro-2-trifluoromethyl-2,3,3-trifluorocyclobutane.
Claim 4
Dependent Claim
11 words
The process of claim 1 wherein the cyclobutane administered is 1-bromo-2-trifluoromethyl-2,3,3-trifluorocyclobutane.
Claim 5
Dependent Claim
11 words
The process of claim 1 wherein the cyclobutane administered is 1-methyl-2-trifluoromethyl-2,3,3-trifluorocyclobutane.
Claim 6
Dependent Claim
11 words
The process of claim 1 wherein the cyclobutane administered is 1,2,3,3-tetrafluoro-2-trifluoromethylcyclobutane.
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) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |