US2548619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of acetylene from hydrocarbon mixtures
Assignee: Phillips Petroleum Co
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Filing: 1948-06-28
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Granted: 1951-04-10
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Expires: 1968-06-28
Abstract
No abstract record available.
Inventors
- 👤 Gardner C Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:29
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/14808; C07C7/14816
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS FOR THE REMOVAL OF ACETYLENE FROM A GASEOUS HYDROCARBON MIXTURE WHICH COMPRISES ADDING TO SAID MIXTURE AN AMOUNT OF OXYGEN SLIGHTLY IN EXCESS OF THAT AMOUNT REQUIRED TO COMPLETELY OXIDIZE SAID ACETYLENE AND PASSING SAID OXYGEN CONTAINING MIXTURE OVER A CATALYST COMPRISING A DIFFICULTLY REDUCIBEL METAL OXIDE SELECTED
Claim 2
Dependent Claim
50 words
A PROCESS FOR THE REMOVAL OF ACETYLENE FROM A GASEOUS HYDROCARBON MIXTURE WHICH COMPRISES ADDING TO SAID MIXTURE AN AMOUNT OF OXYGEN SLIGHTLY IN EXCESS OF THAT AMOUNT REQUIRED TO COMPLETELY OXIDIZE SAID ACETYLENE AND PASSING SAID OXYGEN CONTAINING MIXTURE OVER A CATALYST COMPRISING A DIFFICULTLY REDUCIBEL METAL OXIDE SELECTED
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |