US3274276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of cycloalkyl aromatic compounds
Assignee: Universal Oil Products Co
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Filing: 1963-05-29
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Granted: 1966-09-20
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Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 James J Louvar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:16
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/74; C07C2521/00; C07C2521/18; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/42; C07C2523/44; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCESS FOR THE PREPARATON OF A NON-CONDENSED CYCLOALKYL AROMATIC COMPOUND WHICH COMPRISES TREATING AN AROMATIC COMPOUND WITH HYDROGEN IN THE PRESENCE OF AN ALKYLATION-HYDROGENATION CATALYST COMPRISING ALUMIMUN CHLORIDE AND PLATINUM OR PALLADIUM AT A TEMPERATURE OF FROM ABOUT 25* C. TO ABOUT 50* C., AND RECOVERING THE RESULTANT CYCLOAKYL AROMATIC COMPOUND.
Claim 2
Dependent Claim
52 words
A PROCESS FOR THE PREPARATON OF A NON-CONDENSED CYCLOALKYL AROMATIC COMPOUND WHICH COMPRISES TREATING AN AROMATIC COMPOUND WITH HYDROGEN IN THE PRESENCE OF AN ALKYLATION-HYDROGENATION CATALYST COMPRISING ALUMIMUN CHLORIDE AND PLATINUM OR PALLADIUM AT A TEMPERATURE OF FROM ABOUT 25* C. TO ABOUT 50* C., AND RECOVERING THE RESULTANT CYCLOAKYL AROMATIC COMPOUND.
References Cited (Backward Citations)
US2927085A
Cited
US3153678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |