Patent US3391069A successfully refreshed from Google Patents.
US3391069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radical anions of organic compounds
Assignee: Wyeth Holdings LLC
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Filing: 1964-07-13
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Granted: 1968-07-02
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Rauhut Michael Mckay
- 👤 Kennerly George Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:11
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
86 words
A METHOD OF GENERATING A VISIBLE CHEMILUMINESCENT EMISSION WHICH COMPRISES OXIDIZING A REACTANT COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANION RADICAL OF A FLUORESCENT ORGANIC COMPOUND AND A DIANION OF A FLUORESCENT ORGANIC COMPOUND, SAID REACTANT COMPOUND BEING CAPABLE OF DIRECT CONVERSION TO ITS CORRESPONDING FLUORESCENT ORGANIC COMPOUND BY GIVING UP AT LEAST ONE ELECTRON, SAID OXIDATION BEING CARRIED OUT WITH A SUFFICIENTLY ENERGETIC OXIDANT TO PRODUCE THE RESULTING FLUORESCENT ORGANIC COMPOUND IN ITS SINGLET EXCITED STATE AND THUS PROVIDE A VISIBLE CHEMILUMINESCENT EMISSION.
Claim 2
Independent Claim
86 words
A METHOD OF GENERATING A VISIBLE CHEMILUMINESCENT EMISSION WHICH COMPRISES OXIDIZING A REACTANT COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ANION RADICAL OF A FLUORESCENT ORGANIC COMPOUND AND A DIANION OF A FLUORESCENT ORGANIC COMPOUND, SAID REACTANT COMPOUND BEING CAPABLE OF DIRECT CONVERSION TO ITS CORRESPONDING FLUORESCENT ORGANIC COMPOUND BY GIVING UP AT LEAST ONE ELECTRON, SAID OXIDATION BEING CARRIED OUT WITH A SUFFICIENTLY ENERGETIC OXIDANT TO PRODUCE THE RESULTING FLUORESCENT ORGANIC COMPOUND IN ITS SINGLET EXCITED STATE AND THUS PROVIDE A VISIBLE CHEMILUMINESCENT EMISSION.
Claim 3
Dependent Claim
24 words
THE METHOD OF CLAIM 1 WHEREIN THE REACTANT COMPOUND IS OXIDIZED AT THE ANODE OF AN ELECTROLYTIC CELL THROUGH WHICH ELECTRIC CURRENT IS PASSED.
References Cited (Backward Citations)
US2420286A
Cited
US3264221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |