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US3569995A
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Low energy radiation dosimetry method in the range of 15 kev and below
Assignee: United States Atomic Energy Commission
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Filing: 1968-08-26
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Granted: 1971-03-09
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Expires: 1988-08-26
Abstract
Abstract A method for measuring low-energy, high-flux radiation doses. Thin layers of poly- ( 3,3-bis (chloromethyl) oxacyclobutane) are exposed to ionizing radiation. Changes in physical properties of the layers are a measure of the radiation dose received.
Inventors
- 👤 Barbara J Mallon
- 👤 Lyman E Lorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:23
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01T1/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
The method of claim 1 further defined wherein said changes in the physical properties of said poly-(3,3-bis (chloromethyl) oxacyclobutane) are changes in melting point.
Claim 2
Dependent Claim
26 words
The method of claim 1, further defined wherein said changes in the physical properties of said poly-(3,3-bis (chloromethyl) oxacyclobutane) are changes in the heat of fusion.
Claim 3
Dependent Claim
24 words
The method of claim 1, further defined wherein said changes in the physical properties of said poly-(3,3-bis (chloromethyl) oxacyclobutane) are changes in optical density.
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |