Patent US3970660A successfully refreshed from Google Patents.
US3970660A
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Chemiluminescence
Assignee: Omniglow Corp
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Filing: 1974-07-22
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Granted: 1976-07-20
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Expires: 1994-07-22
Abstract
Abstract A chemiluminescent system comprising (1) derivatives of a polycarbonyl compound substituted with at least one nitrogen-containing hetero group and which may have an alkanol or amine substituent, (2) a hydroperoxide compound, (3) a diluent, and (4) a fluorescer, said ingredients in combination producing visible chemiluminescent light and a process of producing such light.
Inventors
- 👤 Laszlo Joseph Bollyky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:44
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/64; C07D215/00; C07D215/02; C07D215/16; C07D215/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
Bis(1,2-dihydro-2-oxo-1-pyridyl)glyoxal.
Claim 2
Dependent Claim
1 words
Bis(1,2-dihydro-2-oxo-1-pyridyl)glyoxal.
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) | 1979-07-20 | 1980-01-19 | 1980-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-20 | 1984-01-19 | 1984-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-20 | 1988-01-19 | 1988-07-20 | $7700.00 | Window Closed / Lapsed |