US2797247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alcohols and ethers
Assignee: Sinclair Refining Co
•
Filing: 1955-06-10
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Granted: 1957-06-25
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Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 Carl D Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:23
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J27/1802; B01J21/00; B01J21/16; B01J23/00; B01J23/70; B01J23/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE METHOD OF CONVERTING A MONO-OLEFIN CONTAINING 2 TO 4 CARBON ATOMS TO ALCOHOLS AND ETHERS WHICH COMPRISES HYDRATING THE OLEFIN WITH WATER WHILE IN CONTACT WITH A CATALYTIC AMOUNT OF CHRYSOCOLLA.
Claim 2
Independent Claim
32 words
THE METHOD OF CONVERTING A MONO-OLEFIN CONTAINING 2 TO 4 CARBON ATOMS TO ALCOHOLS AND ETHERS WHICH COMPRISES HYDRATING THE OLEFIN WITH WATER WHILE IN CONTACT WITH A CATALYTIC AMOUNT OF CHRYSOCOLLA.
References Cited (Backward Citations)
US1999620A
Cited
US2663744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |