US2805261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alhohols and ethers
Assignee: Sinclair Refining Co
•
Filing: 1955-06-10
•
Granted: 1957-09-03
•
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
2026-11-01 23:46
CPC Classifications
C; C07; C07C; C07C27/00; C07C41/00; C07C41/01; C07C41/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
THE METHOD OF CONVERTING MONO-OLEFIN CONTAINING 2 TO 4 CARBONS TO ALCOHOLS AND ETHERS WHICH COMPRSES HYDRATING OLEFIN WITH WATER WHILE IN CONTACT WITH A CATALYTIC AMOUNT OF SULFONATED ASPALTENE.
Claim 2
Independent Claim
30 words
THE METHOD OF CONVERTING MONO-OLEFIN CONTAINING 2 TO 4 CARBONS TO ALCOHOLS AND ETHERS WHICH COMPRSES HYDRATING OLEFIN WITH WATER WHILE IN CONTACT WITH A CATALYTIC AMOUNT OF SULFONATED ASPALTENE.
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) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |