US3085118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of polycyclic arylsodium compounds
Assignee: Union Carbide Corp
•
Filing: 1958-10-06
•
Granted: 1963-04-09
•
Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Donald J Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:09
CPC Classifications
C; C07; C07F; C07F1/00; C07F1/04; C07C; C07C51/00; C07C51/15; C07C63/00; C07C63/33; C07C63/337; C07C63/34; C07C63/36; C07C63/42; C07C63/44; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/24; C07C2603/26; C07C2603/40; C07C2603/42; C07C2603/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
PROCESS FOR MAKING A POLYCYCLIC ARYLSODIUM COMPOUND OF MORE THAN TWO RINGS WHEREIN THE SODIUM IS DIRECTLY ATTACHED TO A CARBON ATOM IN AN AROMATIC RING WHICH COMPRISES REACTING A POLYCYCLIC ARYL HALIDE WITH FINELY DIVIDED METALLIC SODIUM SUSPENDED IN AN INERT LIQUID, SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC ETHERS CONTAINING FROM 2 TO 12 CARBON ATOMS, CYCLIC ETHERS, AROMATIC ETHERS, TERTIARY AMINES, AND MIXTURES THEREOF, SAID REACTION BEING CARRIED OUT AT A TEMPERATURE BELOW 0*C. AND UNDER AN INERT ATMOSPHERE.
Claim 2
Dependent Claim
82 words
PROCESS FOR MAKING A POLYCYCLIC ARYLSODIUM COMPOUND OF MORE THAN TWO RINGS WHEREIN THE SODIUM IS DIRECTLY ATTACHED TO A CARBON ATOM IN AN AROMATIC RING WHICH COMPRISES REACTING A POLYCYCLIC ARYL HALIDE WITH FINELY DIVIDED METALLIC SODIUM SUSPENDED IN AN INERT LIQUID, SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC ETHERS CONTAINING FROM 2 TO 12 CARBON ATOMS, CYCLIC ETHERS, AROMATIC ETHERS, TERTIARY AMINES, AND MIXTURES THEREOF, SAID REACTION BEING CARRIED OUT AT A TEMPERATURE BELOW 0*C. AND UNDER AN INERT ATMOSPHERE.
References Cited (Backward Citations)
US2027000A
Cited
US2023793A
Cited
US2019832A
Cited
US2125401A
Cited
US2108277A
Cited
US2119493A
Cited
US2174293A
Cited
US2795626A
Cited
US2795624A
Cited
US2914578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |