US3331778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic fluids for utilization in nuclear reactors
Assignee: IFP Energies nouvelles
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Filing: 1964-06-18
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Granted: 1967-07-18
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Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 Giuliani Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:44
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/12; G21C5/123; C; C09; C09K; C09K5/00; C09K5/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/904; Y10S376/905; Y10S376/906; Y10S585/00; Y10S585/929; Y10S585/944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A FLUID FOR UTILIZATION IN NUCLEAR REACTORS AS A HEATTRANSFER MEDIUM, NEUTRON-MODERATING OR NEUTRON-REFLECTING MEDIUM SAID FLUID CONSISTING ESSENTIALLY OF A MIXTURE OF THE FOLLOWING INGREDIENTS: (A) AT LEAST 28% UNSUBSTITUTED TRIPHENYLS AND (B) A PHENANTHRENE CUT DERIVED FROM CATALYTIC REFORMING RESIDUES, SAID CUT BEING COMPRISED OF A MIXTURE OF LOWER ALKYL SUBSTITUTED POLYNUCLEAR AROMATIC COMPOUNDS HAVING AT LEAST THREE FUSED RINGS AND AN AVERAGE MOLECULAR WEIGHT OF FROM 185 TO 205, WHEREIN THE MAJOR POLYNUCLEAR AROMATIC COMPOUND OF SAID MIXTURE IS A LOWER ALKYL SUBSTITUTED PHENANTHRENE COMPOUND, SAID PHENANTHRENE CUT BEING PRESENT IN SUCH AMOUNT SO AS TO PROVED A FLUID WHICH IS LIQUID AT ROOM TEMPERATURE.
Claim 2
Dependent Claim
108 words
A FLUID FOR UTILIZATION IN NUCLEAR REACTORS AS A HEATTRANSFER MEDIUM, NEUTRON-MODERATING OR NEUTRON-REFLECTING MEDIUM SAID FLUID CONSISTING ESSENTIALLY OF A MIXTURE OF THE FOLLOWING INGREDIENTS: (A) AT LEAST 28% UNSUBSTITUTED TRIPHENYLS AND (B) A PHENANTHRENE CUT DERIVED FROM CATALYTIC REFORMING RESIDUES, SAID CUT BEING COMPRISED OF A MIXTURE OF LOWER ALKYL SUBSTITUTED POLYNUCLEAR AROMATIC COMPOUNDS HAVING AT LEAST THREE FUSED RINGS AND AN AVERAGE MOLECULAR WEIGHT OF FROM 185 TO 205, WHEREIN THE MAJOR POLYNUCLEAR AROMATIC COMPOUND OF SAID MIXTURE IS A LOWER ALKYL SUBSTITUTED PHENANTHRENE COMPOUND, SAID PHENANTHRENE CUT BEING PRESENT IN SUCH AMOUNT SO AS TO PROVED A FLUID WHICH IS LIQUID AT ROOM TEMPERATURE.
References Cited (Backward Citations)
US2485103A
Cited
US3113090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |