US3299154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing monomethylcyclohexene mixtures having high content of 1-methyl isomer
Assignee: El Paso Natural Gas Products Co
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Filing: 1964-08-18
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Granted: 1967-01-17
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Expires: 1984-08-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Louis E Kidwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:25
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/02; C07C2523/04; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR THE PRODUCTION OF A METHYCLYCLOBEXENE MIXTURE HAVING A WEIGHT RATIO OF 1-METHYLCYCLOHEXENE TO OTHER METHYLCYCLOHEXENE ISOMERS AND METHYLENECYCLOHEXANE OF GREATER THAN 1.3 COMPRISING PASSING 2-METHYLCYCLOHEXANOL OVER AN ALUMINUM OXIDE DEHYDRATING CATALYST AT A TEMPERATURE IN THE RANGE OF ABOUT 210* TO 250*C. AND AT A SPACE VELOCITY CORRELATED SO AS TO CONVERT ABOUT 2 TO 50% OF THE 2-METHYCLCLOHEXANOL TO MIXED METHYCYCLOHEXENES AND METHYLENECYLOHEXANE.
Claim 2
Dependent Claim
67 words
A PROCESS FOR THE PRODUCTION OF A METHYCLYCLOBEXENE MIXTURE HAVING A WEIGHT RATIO OF 1-METHYLCYCLOHEXENE TO OTHER METHYLCYCLOHEXENE ISOMERS AND METHYLENECYCLOHEXANE OF GREATER THAN 1.3 COMPRISING PASSING 2-METHYLCYCLOHEXANOL OVER AN ALUMINUM OXIDE DEHYDRATING CATALYST AT A TEMPERATURE IN THE RANGE OF ABOUT 210* TO 250*C. AND AT A SPACE VELOCITY CORRELATED SO AS TO CONVERT ABOUT 2 TO 50% OF THE 2-METHYCLCLOHEXANOL TO MIXED METHYCYCLOHEXENES AND METHYLENECYLOHEXANE.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |