US2704774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of 2, 4, 4,-trimethylphentanol
Assignee: Distillers Co Yeast Ltd
•
Filing: 1951-01-10
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Granted: 1955-03-22
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Expires: 1971-01-10
Abstract
No abstract record available.
Inventors
- 👤 Gasson Edward James
- 👤 Wild Anthony Musgrave
- 👤 Robson Ian Kenneth Miles
- 👤 Millidge Alfred Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:35
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/56; C07C45/57; C07C45/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A PROCESS WHICH COMPRISES PASSING 1:2-EPOXY-2:4:4TRIMETHYL-PENTANE IN THE VAPOUR PHASE OVER AN ALUMINA ISOMERIZATION CATALYST AND SUBSEQUENTLY CONDUCTING THE MIXTURE RESULTING FROM THE ISOMERIZATION REACTION OVER A COPPER HYDROGENATION CATALYST WITH HYDROGEN TO HYDROGENATE THE CORRESPONDING TRIMETHYL PENTANAL TO FORM 2:4:4-TRIMETHYL-PENTANOL.
Claim 2
Dependent Claim
41 words
A PROCESS WHICH COMPRISES PASSING 1:2-EPOXY-2:4:4TRIMETHYL-PENTANE IN THE VAPOUR PHASE OVER AN ALUMINA ISOMERIZATION CATALYST AND SUBSEQUENTLY CONDUCTING THE MIXTURE RESULTING FROM THE ISOMERIZATION REACTION OVER A COPPER HYDROGENATION CATALYST WITH HYDROGEN TO HYDROGENATE THE CORRESPONDING TRIMETHYL PENTANAL TO FORM 2:4:4-TRIMETHYL-PENTANOL.
References Cited (Backward Citations)
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Cited
US1917179A
Cited
US1953548A
Cited
US2159507A
Cited
US2503050A
Cited
US2521170A
Cited
US2601538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |