Patent US3356720A successfully refreshed from Google Patents.
US3356720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ketones from saturated hydrocarbons and carbon monoxide
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-07-01
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Granted: 1967-12-05
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Stanley B Mirviss
- 👤 Philip S Skell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:09
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A PROCESS FOR PREPARING OXYGENATED ORGANIC COMPOUNDS OF THE CLASS CONSISTING OF KETOONES AND CARBOXYLIC ACIDS FROM A SATURATED HYDROCARBON WHICH COMPRISES REACTING A C2-C25 SATURATD HYDROCARBON WITH CARBON MONOXIDE IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST, THE IMPROVEMENT WHICH COMPRISES EFFECTING SUCH REACTION IN THE PRESENCE OF A HYDROCARBON SUBSTITUTED CARBINYL HALIDE SELECTED FROM THE GROUP CONSISTING ESSENTIALLY OF TERTIALY ALKYL HALIDES, TERTIARY PHENYL ALKYL HALIDES AND TERTIARY PHENYL CARBINYL HALIDES HWEREIN SAID HALIDE IS SELECTED FROM THE GROUP CONSISTING OF CHLORIDE, BROMIDE AND IODIDE.
Claim 2
Dependent Claim
87 words
IN A PROCESS FOR PREPARING OXYGENATED ORGANIC COMPOUNDS OF THE CLASS CONSISTING OF KETOONES AND CARBOXYLIC ACIDS FROM A SATURATED HYDROCARBON WHICH COMPRISES REACTING A C2-C25 SATURATD HYDROCARBON WITH CARBON MONOXIDE IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST, THE IMPROVEMENT WHICH COMPRISES EFFECTING SUCH REACTION IN THE PRESENCE OF A HYDROCARBON SUBSTITUTED CARBINYL HALIDE SELECTED FROM THE GROUP CONSISTING ESSENTIALLY OF TERTIALY ALKYL HALIDES, TERTIARY PHENYL ALKYL HALIDES AND TERTIARY PHENYL CARBINYL HALIDES HWEREIN SAID HALIDE IS SELECTED FROM THE GROUP CONSISTING OF CHLORIDE, BROMIDE AND IODIDE.
References Cited (Backward Citations)
US2037050A
Cited
US2346701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |