Patent US3734963A successfully refreshed from Google Patents.
US3734963A
Expired / Lapsed
US
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Inorganic lithium-amine complexes
Assignee: Exxon Mobil Corp
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Filing: 1969-03-18
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Granted: 1973-05-22
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Expires: 1989-03-18
Abstract
Abstract COMPLEXED INORGANIC LITHIUM SALTS ARE PREPARED BY MIXING AN INORGANIC LITHIUM SALT SUCH AS A LITHIUM HALIDE WITH A MONOMERIC OR POLYMERIC ORGANIC COMPLEXING AGENT WHICH CONTAINS AT LEAST ONE NITROGEN ATOM AND AT LEAST ONE OTHER ATOM WHICH IS NITROGEN, OXYGEN, PHOSPHOROUS OR SULFUR. THE COMPLEXING AGENT MAY BE NONCHELATING (E.G. TRIETHYLENEDIAMINE) OR CHELATING IN NATURE. THE CHELATING COMPLEXING AGENTS (E.G. TRIMINES SUCH AS PENTAMETHYL DIETHYLENETRIAMINE) ARE PREFERRED. THE RESULTANT COMPLEX IS USUEFUL FOR A VARIETY OF PROCESSES SUCH AS SEPARATIONS, CATALYTIC REACTIONS, SUBSTITUTION REACTIONS, ELECTROCHEMICAL REACTIONS, ETC. AND AS OIL AND FUEL ADDITIVES.
Inventors
- 👤 A Langer
- 👤 T Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:26
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F1/00; C07F1/005; C07F5/00; C07F9/28; C07F9/50; C07F9/5045; C08; C08K; C08K5/00; C08K5/0091; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10M; C10M1/00; C10M1/08; C10M3/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/066; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/049; C10M2223/06; C10M2223/061; C10M2227/00; C10M2227/09; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |