US2961415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Settable neutron radiation shielding material
Assignee: Individual
•
Filing: 1956-11-02
•
Granted: 1960-11-22
•
Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 Irving R Axelrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:41
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; G21F1/10; G21F1/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A SETTABLE, VISCOUS, PUTTY-LIKE COMPOSITION CONSISTING ESSENTIALLY OF, IN COMBINATION, AN INTIMATE ADMIXTURE OF (A) A MAJOR PROPORTION OF A COMPOUND HAVING A RATIO OF HYDROGEN ATOMS TO ALL OTHER ATOMS THERIN WITHIN THE RANGE OF FROM 0.5:1 TO 2:1 AND BEING SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF POLYETHYLENE, BUTYL RUBBER, PARAFFIN, POLYISOBUTYLENE, AND POLYISOPRENE, (B) FORM 0.5% TO 10% BY WEIGHT OF BORON, AND (C) A FLUID RESINOUS CARRIER SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF FLUID POLYESTERS, EPOXY RESINS, CASTABLE PHENOL-ALDEHYDE RESIN, BUTADIENE POLYMERS AND COPOLYMERS THEREOF WITH STYRENE, BUTADIENEACRYLONITRILE COPOLYMERS AND PLASTISOLS, SAID COMPOSITION WHEN CURED BEING ADAPTED TO ATTENUATE FAST MOVING NEUTRONS AND CAPTURE SLOW MOVING NEUTRONS.
Claim 2
Dependent Claim
118 words
A SETTABLE, VISCOUS, PUTTY-LIKE COMPOSITION CONSISTING ESSENTIALLY OF, IN COMBINATION, AN INTIMATE ADMIXTURE OF (A) A MAJOR PROPORTION OF A COMPOUND HAVING A RATIO OF HYDROGEN ATOMS TO ALL OTHER ATOMS THERIN WITHIN THE RANGE OF FROM 0.5:1 TO 2:1 AND BEING SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF POLYETHYLENE, BUTYL RUBBER, PARAFFIN, POLYISOBUTYLENE, AND POLYISOPRENE, (B) FORM 0.5% TO 10% BY WEIGHT OF BORON, AND (C) A FLUID RESINOUS CARRIER SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF FLUID POLYESTERS, EPOXY RESINS, CASTABLE PHENOL-ALDEHYDE RESIN, BUTADIENE POLYMERS AND COPOLYMERS THEREOF WITH STYRENE, BUTADIENEACRYLONITRILE COPOLYMERS AND PLASTISOLS, SAID COMPOSITION WHEN CURED BEING ADAPTED TO ATTENUATE FAST MOVING NEUTRONS AND CAPTURE SLOW MOVING NEUTRONS.
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) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |