US4402984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of 1-hydropentadecafluoroadamantane and perfluoroadamantane
Assignee: Adamantech Inc
•
Filing: 1982-03-16
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Granted: 1983-09-06
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Expires: 2002-03-16
Abstract
Abstract Perfluoroadamantane and 1-hydropentadecafluoroadamantane are prepared by perfluorinating adamantane and/or bromoadamantane by contacting CoF 3 at an elevated temperature. The fluoroadamantanes have utility as synthetic blood substitutes or perfusion media.
Inventors
- 👤 Robert E. Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:52
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/38; C07C17/00; C07C17/093; C07C17/10; C07C17/20; C07C17/202; C07C17/208
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
37 words
A liquid composition, useful as a synthetic blood substitute or a perfusion medium, comprising a normally solid component selected from perfluoroadamantane, 1-hydropentadecafluoroadamantane and a mixture thereof and which solid component is dissolved in a suitable liquid perfluorocarbon.
Claim 2
Dependent Claim
37 words
A liquid composition, useful as a synthetic blood substitute or a perfusion medium, comprising a normally solid component selected from perfluoroadamantane, 1-hydropentadecafluoroadamantane and a mixture thereof and which solid component is dissolved in a suitable liquid perfluorocarbon.
Claim 3
Dependent Claim
16 words
The composition of claim 1 wherein the solid component is said mixture of perfluoroadamantane and 1-hydropentadecafluoroadamantane.
Claim 4
Dependent Claim
22 words
The composition of claim 1 additionally containing water and a surfactant in amounts effective to emulsify said solid component and liquid perfluorocarbon.
Claim 5
Dependent Claim
16 words
The composition of claim 3 wherein the solid component is a mixture of perfluoroadamantane and 1-hydropentadecafluoroadamantane.
Claim 6
Dependent Claim
11 words
The composition of claim 3 wherein the solid component is perfluoroadamantane.
Claim 7
Dependent Claim
11 words
The composition of claim 3 wherein the solid component is 1-hydropentadecafluoroadamantane.
Claim 8
Dependent Claim
23 words
The composition of claim 1 wherein the liquid perfluorocarbon is selected from F-decalin, F-tricyclo[5.2.1.0 2 ,6 ] decane, F-menthane, F-1-methyldecalin and F-alkyl adamantanes.
Claim 9
Dependent Claim
35 words
The composition of claim 3 wherein the solid component is a mixture of perfluoroadamantane and 1-hydropentadecafluoroadamantane, and the liquid perfluorocarbon is selected from F-decalin, F-tricyclo [5.2.1.0 2 ,6 ] decane, F-menthane, F-1-methyldecalin and F-alkyl adamantanes.
Claim 10
Dependent Claim
22 words
The composition of claim 4 wherein the mixture contains 8-10 wt.% perfluoroadamantane and 90-92 wt.% 1-hydropentadecafluoroadamantane, and the liquid perfluorocarbon is F-decalin.
References Cited (Backward Citations)
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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) | 1986-09-05 | 1987-03-07 | 1987-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-05 | 1991-03-07 | 1991-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-05 | 1995-03-07 | 1995-09-06 | $7700.00 | Window Closed / Lapsed |