US2680763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of products derived from carbon monoxide and mono-olefins
Assignee: EIDP Inc
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Filing: 1949-06-04
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Granted: 1954-06-08
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Expires: 1969-06-04
Abstract
No abstract record available.
Inventors
- 👤 Merlin M Brubaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:21
CPC Classifications
C; C08; C08G; C08G67/00; C08G67/02; C07; C07C; C07C323/00; C07C327/00; C07C45/00; C07C45/49; C07C51/00; C07C51/10; C07C51/14; C07C51/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE PROCESS WHICH COMPRISES INTERREACTING CARBON MONOXIDE WITH A MONOOLEFIN HYDROCARBON AND WITH A REACTANT OF THE CLASS CONSISTING OF HALOGENS, HALOALKANES, KETOALKANES HAVING AT LEAST ONE HYDROGEN ON A CARBON ALPHA TO THE KETO GROUP, ETHERS HAVING AT LEAST ONE HYDROGEN ON A CARBON ALPHA TO THE ETHER OXYGEN, THIOL COMPOUNDS, AND ESTERS OF ALIPHATIC ACIDS HAVING HYDROGEN ON A CARBON ALPHA TO CARBOXYL, IN THE PRESENCE OF A SUBSTANCE WHICH GENERATES FREE RADICALS UNDER THE PREVAILING REACTION CONDITIONS, AT A TEMPERATURE ABOVE 25* C., UNDER SUPERATMOSPHERIC PRESSURE, AND THEREAFTER SEPARATING FROM THE RESULTING MIXTURE THE PRODUCT OBTAINED BY THE INTERREACTION OF THE SAID CARBON MONOXIDE, MONOOLEFIN AND SAID REACTANT.
Claim 2
Dependent Claim
111 words
THE PROCESS WHICH COMPRISES INTERREACTING CARBON MONOXIDE WITH A MONOOLEFIN HYDROCARBON AND WITH A REACTANT OF THE CLASS CONSISTING OF HALOGENS, HALOALKANES, KETOALKANES HAVING AT LEAST ONE HYDROGEN ON A CARBON ALPHA TO THE KETO GROUP, ETHERS HAVING AT LEAST ONE HYDROGEN ON A CARBON ALPHA TO THE ETHER OXYGEN, THIOL COMPOUNDS, AND ESTERS OF ALIPHATIC ACIDS HAVING HYDROGEN ON A CARBON ALPHA TO CARBOXYL, IN THE PRESENCE OF A SUBSTANCE WHICH GENERATES FREE RADICALS UNDER THE PREVAILING REACTION CONDITIONS, AT A TEMPERATURE ABOVE 25* C., UNDER SUPERATMOSPHERIC PRESSURE, AND THEREAFTER SEPARATING FROM THE RESULTING MIXTURE THE PRODUCT OBTAINED BY THE INTERREACTION OF THE SAID CARBON MONOXIDE, MONOOLEFIN AND SAID REACTANT.
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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |