US3391068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemiluminescence
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
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:04
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06; C09K11/07
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
85 words
A METHOD OF GENERATING A VISIBLE CHEMILUMINESCENT EMISSION WHICH COMPRISES REDUCING A REACTANT COMPOUND SELECTED FROM THE GROUP CONSISTING OF A CATION RADICAL OF A FLUORESCENT ORGANIC COMPOUND AND A DICATION OF A FLUORESCENT ORGANIC COMPOUND, SAID REACTANT COMPOUND BEING CAPABLE OF DIRECT CONVERSION TO ITS CORRESPONDING FLUORESCENT ORGANIC COMPOUND BY TAKING ON AT LEAST ONE ELECTRON, SAID REDUCTION BEING CARRIED OUT WITHA SUFFICIENTLY ENERGETIC REDUCTANT TO PRODUCE THE RESULTING FLUORESCENT ORGANIC COMPOUND IN ITS SINGLET EXCITED STATE AND THUS PROVIDE A VISIBLE CHEMILUMINESCENT EMISSION.
Claim 2
Independent Claim
85 words
A METHOD OF GENERATING A VISIBLE CHEMILUMINESCENT EMISSION WHICH COMPRISES REDUCING A REACTANT COMPOUND SELECTED FROM THE GROUP CONSISTING OF A CATION RADICAL OF A FLUORESCENT ORGANIC COMPOUND AND A DICATION OF A FLUORESCENT ORGANIC COMPOUND, SAID REACTANT COMPOUND BEING CAPABLE OF DIRECT CONVERSION TO ITS CORRESPONDING FLUORESCENT ORGANIC COMPOUND BY TAKING ON AT LEAST ONE ELECTRON, SAID REDUCTION BEING CARRIED OUT WITHA SUFFICIENTLY ENERGETIC REDUCTANT 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 REDUCED AT THE CATHODE 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 |