Patent US3702872A successfully refreshed from Google Patents.
US3702872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hexafluoropropanol
Assignee: OMNIS SURGICAL Inc A DE CORP
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Filing: 1970-07-27
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Granted: 1972-11-14
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Expires: 1990-07-27
Abstract
Abstract 1,1,1,3,3,3 - HEXAFLUOROPROPAN - 2 - O1 IS PREPARED BY THE VAPOR PHASE CATALYTIC REDUCTION OF HEXAFLUOROACETONE WITH HYDROGEN EMPLOYING A SUPPORTED PALLADIUM ON CARBON CATALYST.
Inventors
- 👤 Bernard M Regan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:34
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/143; C07C29/145
Claims Analysis
Total Claims: 0
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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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |