Patent US3974086A successfully refreshed from Google Patents.
US3974086A
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Stabilization of hydrogen peroxide solutions
Assignee: Omniglow Corp
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Filing: 1974-05-10
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Granted: 1976-08-10
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Expires: 1994-05-10
Abstract
Abstract Method for improving the storage stability of oxalic ester chemiluminescent light system components by the addition of certain additive compounds to either the oxalic ester component or the hydrogen peroxide component or both.
Inventors
- 👤 Michael McKay Rauhut
- 👤 Andrew Milo Semsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:07
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06; C09K11/07
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
67 words
A stabilized component in a chemiluminescent light system said component comprising a solution in organic solvent of a bis-ester of oxalic acid, an organic fluorescent compound and a stabilizing amount of a phenolic antioxidant compound of the formula ##SPC2## wherein each of R 1 and R 2 is tertiary alkyl having 4 to 12 carbon atoms and R 3 is alkyl having 1 to 12 carbon atoms.
Claim 2
Dependent Claim
67 words
A stabilized component in a chemiluminescent light system said component comprising a solution in organic solvent of a bis-ester of oxalic acid, an organic fluorescent compound and a stabilizing amount of a phenolic antioxidant compound of the formula ##SPC2## wherein each of R 1 and R 2 is tertiary alkyl having 4 to 12 carbon atoms and R 3 is alkyl having 1 to 12 carbon atoms.
Claim 3
Dependent Claim
33 words
In a chemiluminescent light system comprising at least two separate components, a first component consisting of the stabilized component defined by claim 1, and a second component comprising a hydroperoxide and a solvent.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |