Patent US3065283A successfully refreshed from Google Patents.
US3065283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidative coupling of an acetylene hydrocarbon
Assignee: Individual
•
Filing: 1958-04-23
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Granted: 1962-11-20
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Expires: 1978-04-23
Abstract
No abstract record available.
Inventors
- 👤 Happel John
- 👤 Charles J Marsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:33
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/04; C07C; C07C2/00; C07C2/76; C07C2/82; C07C2/84; C07C33/00; C07C33/04; C07C33/048; C07C51/00; C07C51/347; C07C51/353; C07C57/00; C07C57/18; C07C57/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PROCESS FOR OXIDATIVE COUPLING WHICH COMPRISES SUBJECTING AND ACETYLENE HYDROCARBON HAVING A TERMINAL ACETYLENE GROUP TO SELECTIVE OXIDATIVE COUPLING IN AQUEOUS SOLUTION IN THE PRESENCE OF A METALLIC SALT SELECTED FROM THE GROUP CONSISTING OF COPPER SALTS, SILVER SALTS, CADMIUM SALTS, AND MERCURY SALTS, AND CAPABLE OF FORMING A SALT THEREWITH AND OXYGEN, SAID OXIDATIVE COUPLING BEING CARRIED OUT IN THE PRESENCE OF AN INERT, LIQUID, WATERIMMISCIBLE ORGANIC AROMATIC HYDROCARBON COMPOUND AS THE SOLE ORGANIC DILUENT SAID DILUENT BEING PRESENT IN A RATIO OF AT LEAST ONE PART TO 50 PARTS OF TOTAL REACTION MIXTURE, WHEREBY SAID ACETYLENE HYDROCARBON UNDERGOES OXIDATIVE COUPLING.
Claim 2
Dependent Claim
103 words
A PROCESS FOR OXIDATIVE COUPLING WHICH COMPRISES SUBJECTING AND ACETYLENE HYDROCARBON HAVING A TERMINAL ACETYLENE GROUP TO SELECTIVE OXIDATIVE COUPLING IN AQUEOUS SOLUTION IN THE PRESENCE OF A METALLIC SALT SELECTED FROM THE GROUP CONSISTING OF COPPER SALTS, SILVER SALTS, CADMIUM SALTS, AND MERCURY SALTS, AND CAPABLE OF FORMING A SALT THEREWITH AND OXYGEN, SAID OXIDATIVE COUPLING BEING CARRIED OUT IN THE PRESENCE OF AN INERT, LIQUID, WATERIMMISCIBLE ORGANIC AROMATIC HYDROCARBON COMPOUND AS THE SOLE ORGANIC DILUENT SAID DILUENT BEING PRESENT IN A RATIO OF AT LEAST ONE PART TO 50 PARTS OF TOTAL REACTION MIXTURE, WHEREBY SAID ACETYLENE HYDROCARBON UNDERGOES OXIDATIVE COUPLING.
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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |