US3340313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of alcohol by hydration of olefin
Assignee: Kurashiki Rayon Co Ltd
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Filing: 1964-02-20
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Granted: 1967-09-05
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Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 Mitsutani Akio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:33
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/03; C07C29/04; B; B01; B01J; B01J27/00; B01J27/14; B01J27/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF SYNTHESIZING ALCOHOL BY THE HYDRATION OF AN OLEFIN HAVING FROM 2 TO 10 CRBON ATOMS WHICH COMPRISES CONTACTING THE OLEFIN AND WTER IN THE VAPOR PHASE AT A TEMPERATURE OF FROM 150*C. TO 500*C. WITH A CATALYST FREE OF WATER SOLUBLE COMPONENTS WHICH IS PREPARED BY A PROCESS CONSISTING OF HEAT TREATING A SOLID PHOSPHORIC ACID CATALYST CONSISTING OF PHOSPHORIC ACID DEPOSITED ON A CARRIER CONSISTING ESSENTIALLY OF SILICA, THE HEAT TREATMENT BEING CARRIED OUT AT A TEMPERATURE IN THE RANGE OF FROM 700*C. TO 1100*C. FOR MORE THAN TWO HOURS.
Claim 2
Independent Claim
94 words
A METHOD OF SYNTHESIZING ALCOHOL BY THE HYDRATION OF AN OLEFIN HAVING FROM 2 TO 10 CRBON ATOMS WHICH COMPRISES CONTACTING THE OLEFIN AND WTER IN THE VAPOR PHASE AT A TEMPERATURE OF FROM 150*C. TO 500*C. WITH A CATALYST FREE OF WATER SOLUBLE COMPONENTS WHICH IS PREPARED BY A PROCESS CONSISTING OF HEAT TREATING A SOLID PHOSPHORIC ACID CATALYST CONSISTING OF PHOSPHORIC ACID DEPOSITED ON A CARRIER CONSISTING ESSENTIALLY OF SILICA, THE HEAT TREATMENT BEING CARRIED OUT AT A TEMPERATURE IN THE RANGE OF FROM 700*C. TO 1100*C. FOR MORE THAN TWO HOURS.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |