US3225110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of alkali metal acetylides
Assignee: Union Carbide Corp
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Filing: 1963-02-08
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Granted: 1965-12-21
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Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Abraham N Kurtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:31
CPC Classifications
C; C07; C07F; C07F1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN THE METHOD FOR PRODUCING AS ALKALI METAL ACETYLIDE BY THE REACTION OF ANALKALI METAL WITH A TERMINALLYACETYLENICALLY UNSATURATED HYDROCARBON IN AN INERT ORGANIC DILUENT, THE IMPROVEMENT OF CONDUCTING SAID REACTION IN CONTACT WITH AN EFFECTIVE AMOUNT OF AN ALKALI METAL ALIPHATIC HYDROCARBYLOXIDE HAVING FROM 1 TO 20 CARBON ATOMS, SAID EFFECTIVE AMOUNT BEING AN AMOUNT SUFFICIENT TO PROMOTE THE PRODUCTION OF ALKALI METAL ACETYLIDE PARTICLES HAVING A PARTICLE SIZE WHICH IS SUBSTANTIALLY SMALLER THAN THE SIZE OF THE PARTICLES OF ALKALI METAL CHARGED.
Claim 2
Dependent Claim
84 words
IN THE METHOD FOR PRODUCING AS ALKALI METAL ACETYLIDE BY THE REACTION OF ANALKALI METAL WITH A TERMINALLYACETYLENICALLY UNSATURATED HYDROCARBON IN AN INERT ORGANIC DILUENT, THE IMPROVEMENT OF CONDUCTING SAID REACTION IN CONTACT WITH AN EFFECTIVE AMOUNT OF AN ALKALI METAL ALIPHATIC HYDROCARBYLOXIDE HAVING FROM 1 TO 20 CARBON ATOMS, SAID EFFECTIVE AMOUNT BEING AN AMOUNT SUFFICIENT TO PROMOTE THE PRODUCTION OF ALKALI METAL ACETYLIDE PARTICLES HAVING A PARTICLE SIZE WHICH IS SUBSTANTIALLY SMALLER THAN THE SIZE OF THE PARTICLES OF ALKALI METAL CHARGED.
References Cited (Backward Citations)
US2125384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |