US3095452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of crotonaldehyde
Assignee: Standard Oil Co
•
Filing: 1960-01-26
•
Granted: 1963-06-25
•
Expires: 1980-01-26
Abstract
No abstract record available.
Inventors
- 👤 James L Callahan
- 👤 Robert W Foreman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:58
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19; C; C07; C07C; C07C45/00; C07C45/27; C07C45/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A WHICH COMPRISES CONTACTING ETHYLENE WITH COPPER PHOSPHOMOLYBDATE AS A SOLID OXIDANT AT A TEMPERATURE IN THE RANGE OF 600*F. TO 1000*F.
Claim 2
Dependent Claim
22 words
A WHICH COMPRISES CONTACTING ETHYLENE WITH COPPER PHOSPHOMOLYBDATE AS A SOLID OXIDANT AT A TEMPERATURE IN THE RANGE OF 600*F. TO 1000*F.
References Cited (Backward Citations)
US2788258A
Cited
US2941007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |