US2549240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acetylene manufacture
Assignee: Phillips Petroleum Co
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Filing: 1948-11-08
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Granted: 1951-04-17
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Expires: 1968-11-08
Abstract
No abstract record available.
Inventors
- 👤 Sam P Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:15
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/16; C; C07; C07C; C07C5/00; C07C5/32; C07C5/35
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
A PROCESS FOR THE MANUFACUTRE OF ACETYLENE, COMPRISING CONTACTING A MIXTURE OF ETHYLENE AND HYDROGEN WITH A CATALYST CONSISTING ESSENTIALLY OF TITANIUM DIOXIDE AT A TEMPERATURE WITHIN THE LIMITS OF 2000 AND 2600* F. FOR A CONTACT TIME WITHIN THE LIMITS OF 0.01 AND 1.0 SECOND, WHEREBY ACETYLENE IS FORMED, AND RECOVERING SAID ACETYLENE AS A PRODUCT OF THE PROCESS.
References Cited (Backward Citations)
FR750496A
Cited
US1995136A
Cited
US2030070A
Cited
US2167471A
Cited
GB470258A
Cited
FR823303A
Cited
US2389636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |