Patent JPS5748159A successfully refreshed from Google Patents.
US2915567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor coolant and method of use
Assignee: Individual
•
Filing: 1956-07-23
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Granted: 1959-12-01
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Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 James R Wright
- 👤 Robert O Bolt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:53
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/12; G21C5/123; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COMPOSITION OF IMPROVED RESISTANCE TO DETERIORATION AT ELEVATED TEMPERATURES IN THE PRESENCE OF NUCLEAR RADIATION, SAID COMPOSITION CONSISTING ESSENTIALLY OF A POLYPHENYL SELECTED FROM THE GROUP CONSISTING OF A POLYMETATERPHENYL, ORTHOTERPHENYL, PARATERPHENYL AND THE QUATERPHENYLS AND A SMALL AMOUNT OF A METAL-FREE AROMATIC INHITOR MATERIAL CAPABLE OF FORMING STABLE FREE RADICALS AND SELECTED FROM THE GROUP CONSISTING OF NAPHTHACENE, PHTHALOCYANINE AND TRIPHENYLMETHANE.
Claim 2
Dependent Claim
63 words
A COMPOSITION OF IMPROVED RESISTANCE TO DETERIORATION AT ELEVATED TEMPERATURES IN THE PRESENCE OF NUCLEAR RADIATION, SAID COMPOSITION CONSISTING ESSENTIALLY OF A POLYPHENYL SELECTED FROM THE GROUP CONSISTING OF A POLYMETATERPHENYL, ORTHOTERPHENYL, PARATERPHENYL AND THE QUATERPHENYLS AND A SMALL AMOUNT OF A METAL-FREE AROMATIC INHITOR MATERIAL CAPABLE OF FORMING STABLE FREE RADICALS AND SELECTED FROM THE GROUP CONSISTING OF NAPHTHACENE, PHTHALOCYANINE AND TRIPHENYLMETHANE.
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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |