US2883331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibited reactor coolants and use thereof
Assignee: Individual
•
Filing: 1956-07-23
•
Granted: 1959-04-21
•
Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Robert O Bolt
- 👤 Beppino J Fontana
- 👤 James R Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:28
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
56 words
A COMPOSITION OF IMPROVED RESISTANCE TO DETERIORATION AT ELEVATED TEMPERATURES IN THE PRESENCE OF NUCLEAR RADIATION AND SUITABLE FOR USE AS A NUCLEAR REACTANT COOLANT, SAID COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PORTION OF A MIXTURE OF POLYPHENYL CONTAINING AT LEAST A SUBSTANTIAL AMOUNT OF BIPHENYL AND FROM ABOUT 1% TO 10% BY WEIGHT OF THIANTHRENE.
Claim 2
Dependent Claim
56 words
A COMPOSITION OF IMPROVED RESISTANCE TO DETERIORATION AT ELEVATED TEMPERATURES IN THE PRESENCE OF NUCLEAR RADIATION AND SUITABLE FOR USE AS A NUCLEAR REACTANT COOLANT, SAID COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR PORTION OF A MIXTURE OF POLYPHENYL CONTAINING AT LEAST A SUBSTANTIAL AMOUNT OF BIPHENYL AND FROM ABOUT 1% TO 10% BY WEIGHT OF THIANTHRENE.
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |