US3534110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of phenol by the catalytic dehydrogenation of cyclohexanol and/or cyclohexanone
Assignee: IFP Energies nouvelles
•
Filing: 1966-12-06
•
Granted: 1970-10-13
•
Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Bernard Juguin
- 👤 Jean Miquel
- 👤 Jean-Francois Le Page
- 👤 Claude Roux-Guerraz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:02
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/06; B; B01; B01J; B01J21/00; B01J21/06; B01J21/08; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/58; B01J27/00; B01J27/06; B01J27/128; B01J27/13; B01J35/00; B01J35/60; B01J35/61; B01J35/615; B01J35/63; B01J35/638; B01J37/00; B01J37/02; B01J37/0201; B01J37/16; B01J37/18; B01J38/00; B01J38/04; B01J38/12; C07C37/07; B01J2235/00; B01J2235/15; B01J35/50; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y02P20/584
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2503641A
Cited
US3336399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |