Patent US2530987A successfully refreshed from Google Patents.
US2530987A
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US
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Production of unsaturated aldehydes
Assignee: Standard Oil Development Co
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Filing: 1945-12-13
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Granted: 1950-11-21
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Expires: 1965-12-13
Abstract
No abstract record available.
Inventors
- 👤 Henry O Mottern
- 👤 Vincent F Mistretta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:12
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/20; C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C07C45/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PROCESS FOR THE PRODUCTION OF AN UNSATURATED ALDEHYDE BY THE REACTION OF TWO MOLECULES OF ACETALDEHYDE WHICH COMPRISES PREPARING A VAPOR MIXTURE CONSISTING OF ACETALDEHYDE VAPOR AND HYDROGEN, REACTING THE MIXTURE AT A TEMPERATURE OF 400*C. AND AT ATMOSPHERIC OR HIGHER PRESSURE IN THE PRESENCE OF A CATAALYST CONSISTING OF A MIXTURE OF OXIDES COMPRISING 94% BY WEIGHT OF ZINC OXIDE AND 6% BY WEIGHT OF BISMUTH OXIDE DEPOSITED ON STEEL TURNINGS, AND COOLING THE RESULTING REACTION MATERIALS CONTAINING UNSATURATED ALDEHYDE.
Claim 2
Dependent Claim
82 words
A PROCESS FOR THE PRODUCTION OF AN UNSATURATED ALDEHYDE BY THE REACTION OF TWO MOLECULES OF ACETALDEHYDE WHICH COMPRISES PREPARING A VAPOR MIXTURE CONSISTING OF ACETALDEHYDE VAPOR AND HYDROGEN, REACTING THE MIXTURE AT A TEMPERATURE OF 400*C. AND AT ATMOSPHERIC OR HIGHER PRESSURE IN THE PRESENCE OF A CATAALYST CONSISTING OF A MIXTURE OF OXIDES COMPRISING 94% BY WEIGHT OF ZINC OXIDE AND 6% BY WEIGHT OF BISMUTH OXIDE DEPOSITED ON STEEL TURNINGS, AND COOLING THE RESULTING REACTION MATERIALS CONTAINING UNSATURATED ALDEHYDE.
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) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |