US3784618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroalkylation process
Assignee: Texaco Inc
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Filing: 1972-08-25
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Granted: 1974-01-08
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Expires: 1992-08-25
Abstract
Abstract INCREASED YIELD OF CYCLOHEXYL BENZENE MAY BE ACHIEVED BY HYDROALKYLATING BENZENE IN THE PRESENCE OF DICYCLOHEXYL BENZENE.
Inventors
- 👤 R Suggitt
- 👤 J Crone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:35
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/74; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/54; C07C2523/56; C07C2523/64; C07C2523/652; C07C2523/70; C07C2523/74; C07C2523/76; C07C2523/84; C07C2523/85; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |