US3142649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutron radiation shielding material
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1961-06-29
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Granted: 1964-07-28
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Blanco Angel Alberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:19
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD OF FORMING A NEUTRON RADICATION SHIELD COMPRISING THE STEPS OF PACKING A HOLLOW SHAPE WITH DISCRETE CHIPS OF A SOLID MATERIAL, SAID SOLID MATERIAL HAVING FINELY DIVIDED PARTICLES OF A NEUTRON-ABSORBING MATERIAL DISPERSED THERETHROUGH, AND FILLING THE AIR-SPACES BETWEEN SAID CHIPS WITH A MATERIAL WHICH IS FLUID, AT LEAST WHILE BEING POURED INTO SAID AIR SPACES, TO FORM A MATRIX ABOUT SAID CHIPS, SAID MATRIX MATERIAL CONTAINING AT LEAST 3% BY WEIGHT OF HYDROGEN.
Claim 2
Independent Claim
76 words
A METHOD OF FORMING A NEUTRON RADICATION SHIELD COMPRISING THE STEPS OF PACKING A HOLLOW SHAPE WITH DISCRETE CHIPS OF A SOLID MATERIAL, SAID SOLID MATERIAL HAVING FINELY DIVIDED PARTICLES OF A NEUTRON-ABSORBING MATERIAL DISPERSED THERETHROUGH, AND FILLING THE AIR-SPACES BETWEEN SAID CHIPS WITH A MATERIAL WHICH IS FLUID, AT LEAST WHILE BEING POURED INTO SAID AIR SPACES, TO FORM A MATRIX ABOUT SAID CHIPS, SAID MATRIX MATERIAL CONTAINING AT LEAST 3% BY WEIGHT OF HYDROGEN.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |