US3293290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of unsaturated aldehydes and acids
Assignee: Union Oil Company of California
•
Filing: 1963-03-04
•
Granted: 1966-12-20
•
Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Duane L Flint
- 👤 William D Schaeffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:39
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/215; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; C07C51/25; C07C51/252
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR THE MANUFACTURE OF UNSATURATED ALDEHYDES AND ACIDS FROM A HYDROCARBON HAVING FROM 3 TO ABOUT 8 CARBON ATOMS AND SELECTED FROM THE CLASS CONSISTING OF MONOOLEFINS AND PARAFFINS THAT COMPRISES CONTACTING A GASEOUS MIXTURE OF SAID HYDROCARBON AND OXYGEN WITH A CATALYST COMPRISING AN ACTIVE COMPONENT SELECTED FROM THE CLASS CONSISTING OF PHOSPHOMOLYBDIC ACID, THE IRON AND BISMUTH SALTS OF SAID ACID AND MIXTURES THEREOF IN THE PRESENCE OF FROM SEVERAL PARTS PER MILLION TO ABOUT 1.0 VOLUME PERCENT OF SAID GASEOUS MIXTURE OF A PROMOTER SELECTED FROM THE CLASS CONSISTING OF HYDROGEN BROMIDE AND HYDROGEN IODIDE AT A TEMPERATURE FROM ABOUT 300* TO ABOUT 600* CENTIGRADE.
Claim 2
Dependent Claim
110 words
A PROCESS FOR THE MANUFACTURE OF UNSATURATED ALDEHYDES AND ACIDS FROM A HYDROCARBON HAVING FROM 3 TO ABOUT 8 CARBON ATOMS AND SELECTED FROM THE CLASS CONSISTING OF MONOOLEFINS AND PARAFFINS THAT COMPRISES CONTACTING A GASEOUS MIXTURE OF SAID HYDROCARBON AND OXYGEN WITH A CATALYST COMPRISING AN ACTIVE COMPONENT SELECTED FROM THE CLASS CONSISTING OF PHOSPHOMOLYBDIC ACID, THE IRON AND BISMUTH SALTS OF SAID ACID AND MIXTURES THEREOF IN THE PRESENCE OF FROM SEVERAL PARTS PER MILLION TO ABOUT 1.0 VOLUME PERCENT OF SAID GASEOUS MIXTURE OF A PROMOTER SELECTED FROM THE CLASS CONSISTING OF HYDROGEN BROMIDE AND HYDROGEN IODIDE AT A TEMPERATURE FROM ABOUT 300* TO ABOUT 600* CENTIGRADE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |