US2969407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Destruction of acetylenes in a hydrocarbon mixture containing acetylenes and butadiene
Assignee: Neches Butane Products Co
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Filing: 1959-08-12
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Granted: 1961-01-24
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Expires: 1979-08-12
Abstract
No abstract record available.
Inventors
- 👤 Mortimer L Rosenberg
- 👤 Charles R Everett
- 👤 James B Hutto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:29
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR SELECTIVELY DESTROYING ACETYLENES IN A MIXTURE OF HYDROCARBONS CONTAINING BUTADIENE AND BUTYLENE COMBINED IN A MAJOR PERCENTAGE AND ACETYLENES COMPRISING PASSING SAID MIXTURE TOGETHER WITH STEAM OVER AN ALKALIZED IRON OXIDE-CHROME OXIDE CATALYST AT A TEMPERATURE BETWEEN 900O AND 1025O F.
Claim 2
Dependent Claim
44 words
A PROCESS FOR SELECTIVELY DESTROYING ACETYLENES IN A MIXTURE OF HYDROCARBONS CONTAINING BUTADIENE AND BUTYLENE COMBINED IN A MAJOR PERCENTAGE AND ACETYLENES COMPRISING PASSING SAID MIXTURE TOGETHER WITH STEAM OVER AN ALKALIZED IRON OXIDE-CHROME OXIDE CATALYST AT A TEMPERATURE BETWEEN 900O AND 1025O F.
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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |