US3124614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of z-substituteb
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:30
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0026; C11B9/0034; C07; C07C; C07C45/00; C07C45/006; C07C49/00; C07C49/385; C07C49/403
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR THE PREPARATION OF 2-ALKYLCYCLOHEXANONES WHICH COMPRISES CATALYTICALLY HYDROGENATING AN OALKYL MONOHYDRIC PHENOL WHEREIN ONE AND ONLY ONE OF THE POSITIONS ORTHO TO THE PHENOLIC HYDROXYL GROUP IS SUBSTITUTED, THE SUBSTITUENT BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL GROUPS HAVING AT LEAST THREE CARBON ATOMS AND THE CYCLOHEXYL GROUP, WITH HYDROGEN AT PRESSURE OF AT LEAST THREE ATMOSPHERES ABSOLUTE AND TEMPERATURES OF FROM 100* TO 300*C. IN CONTACT WITH AN ACTIVE PALLADIUM CATLAYST CONTAINING PALLADIUM IN AMOUNT CORRESPONDING OF AT LEAST 0.01 PERACENT BY WEIGHT JOF THE STARTING PHENOL, AND CONTAINING THE HYDROGENATION REACTION UNTIL THE LPHENOL STARTING MATERIAL IS SUBSTANTIALLY REACTED. 3. 2-SEC-BUTYLCYCLOHEXANONE.
Claim 2
Independent Claim
107 words
A METHOD FOR THE PREPARATION OF 2-ALKYLCYCLOHEXANONES WHICH COMPRISES CATALYTICALLY HYDROGENATING AN OALKYL MONOHYDRIC PHENOL WHEREIN ONE AND ONLY ONE OF THE POSITIONS ORTHO TO THE PHENOLIC HYDROXYL GROUP IS SUBSTITUTED, THE SUBSTITUENT BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL GROUPS HAVING AT LEAST THREE CARBON ATOMS AND THE CYCLOHEXYL GROUP, WITH HYDROGEN AT PRESSURE OF AT LEAST THREE ATMOSPHERES ABSOLUTE AND TEMPERATURES OF FROM 100* TO 300*C. IN CONTACT WITH AN ACTIVE PALLADIUM CATLAYST CONTAINING PALLADIUM IN AMOUNT CORRESPONDING OF AT LEAST 0.01 PERACENT BY WEIGHT JOF THE STARTING PHENOL, AND CONTAINING THE HYDROGENATION REACTION UNTIL THE LPHENOL STARTING MATERIAL IS SUBSTANTIALLY REACTED. 3. 2-SEC-BUTYLCYCLOHEXANONE.
References Cited (Backward Citations)
US1882200A
Cited
US2829166A
Cited
US2443015A
Cited
US2549520A
Cited
US2710825A
Cited
US2773099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |