US2903492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cyclo-octane
Assignee: BASF SE
•
Filing: 1957-11-05
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Granted: 1959-09-08
•
Expires: 1977-11-05
Abstract
No abstract record available.
Inventors
- 👤 Schlichting Otto
- 👤 Schweter Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:16
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/889; B01J23/8892; C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/16; C07C2523/24; C07C2523/26; C07C2523/32; C07C2523/34; C07C2523/70; C07C2523/72; C07C2523/74; C07C2523/755; C07C2601/00; C07C2601/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR THE PRODUCTION OF CYCLO-OCTANE BY CATALYTIC HYDROGENATION OF CYCLO-OCTATETRAENE AT 50* C. TO 200* C. AND AT A PRESSURE OF 50 TO 350 ATMOSPHERES WHICH COMPRISES CARRYING OUT THE HYDROGENATION IN THE NEUTRAL RANGE IN THE PRESENCE OF A NICKEL-COPPER CATALYST WHICH CONTAINS A METAL SELECTED FROM THE GROUP CONSISTING OF MANGANESE AND CHROMIUM AND WHICH IS APPLIED TO A NEUTRAL AND FINELY-PORED CARRIER.
Claim 2
Dependent Claim
67 words
A PROCESS FOR THE PRODUCTION OF CYCLO-OCTANE BY CATALYTIC HYDROGENATION OF CYCLO-OCTATETRAENE AT 50* C. TO 200* C. AND AT A PRESSURE OF 50 TO 350 ATMOSPHERES WHICH COMPRISES CARRYING OUT THE HYDROGENATION IN THE NEUTRAL RANGE IN THE PRESENCE OF A NICKEL-COPPER CATALYST WHICH CONTAINS A METAL SELECTED FROM THE GROUP CONSISTING OF MANGANESE AND CHROMIUM AND WHICH IS APPLIED TO A NEUTRAL AND FINELY-PORED CARRIER.
References Cited (Backward Citations)
US2106735A
Cited
US2360555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |