US3459815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromic ion containing clay catalyst and process for producing alcohols from olefins
Assignee: Dow Chemical Co
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Filing: 1966-05-04
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Granted: 1969-08-05
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Expires: 1986-05-04
Abstract
No abstract record available.
Inventors
- 👤 Charles R Noddings
- 👤 Robert D Cleary
- 👤 Ronald G Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:15
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26; B01J21/00; B01J21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A METHOD FOR THE PRODUCTION OF A NON-PRIMARY ALCOHOL CONTAINING FROM 3 TO 5 CARBON ATOMS PER MOLECULE FROM THE CORRESPONDING MONO-OLEFIN WHICH COMRPISES BRINGING A VAPOR MIXTURE CONTAINING THE MONO-OLEFIN AND WATER VAPOR IN CONTACT WITH A SOLID CATALYST THE IMPROVEMENT WHICH CONSISTS OF EMPLOYING AS THE CATALYST A MINERAL ACID TREATED MONTMORILLONITE CLAY CONTAINING CHROMIUM IN THE CHROMIC ION FROM REPLACING AT LEAST A PORTION OF THE EXCHANGE SITES OF SAID CLAY AT A TEMPERATURE BETWEEN 50*C. AND 230*C.
Claim 2
Dependent Claim
82 words
IN A METHOD FOR THE PRODUCTION OF A NON-PRIMARY ALCOHOL CONTAINING FROM 3 TO 5 CARBON ATOMS PER MOLECULE FROM THE CORRESPONDING MONO-OLEFIN WHICH COMRPISES BRINGING A VAPOR MIXTURE CONTAINING THE MONO-OLEFIN AND WATER VAPOR IN CONTACT WITH A SOLID CATALYST THE IMPROVEMENT WHICH CONSISTS OF EMPLOYING AS THE CATALYST A MINERAL ACID TREATED MONTMORILLONITE CLAY CONTAINING CHROMIUM IN THE CHROMIC ION FROM REPLACING AT LEAST A PORTION OF THE EXCHANGE SITES OF SAID CLAY AT A TEMPERATURE BETWEEN 50*C. AND 230*C.
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) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |