Patent US2803667A successfully refreshed from Google Patents.
US2803667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alcohols and ethers
Assignee: Sinclair Refining Co
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Filing: 1955-06-10
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Granted: 1957-08-20
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Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 Robert R Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:19
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/03; C07C29/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF CONVERTING MONO-OLEFIN CONTAINING 2 TO 4 CARBON ATOMS TO ALCOHOLS AND ETHERS WHICH COMPRISES HYDRATING OLEFIN WITH WATER WHILE IN CONTACT WITH A CATALYTIC AMOUNT OF SULFONATED HYDROGEN ION EXCHANGE RESIN AND WITH A SUFFICIENT AMOUNT OF AMMONIA PASSING TO THE REACTION ZONE TO ENHANCE OLEFIN CONVERSION SAID AMOUNT OF AMMONIA BEING FROM ABOUT 0.1 TO 10 WEIGHT PERCENT OF WATER IN THE REACTION ZONE.
Claim 2
Independent Claim
68 words
THE METHOD OF CONVERTING MONO-OLEFIN CONTAINING 2 TO 4 CARBON ATOMS TO ALCOHOLS AND ETHERS WHICH COMPRISES HYDRATING OLEFIN WITH WATER WHILE IN CONTACT WITH A CATALYTIC AMOUNT OF SULFONATED HYDROGEN ION EXCHANGE RESIN AND WITH A SUFFICIENT AMOUNT OF AMMONIA PASSING TO THE REACTION ZONE TO ENHANCE OLEFIN CONVERSION SAID AMOUNT OF AMMONIA BEING FROM ABOUT 0.1 TO 10 WEIGHT PERCENT OF WATER IN THE REACTION ZONE.
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) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |