Patent US3735135A successfully refreshed from Google Patents.
US3735135A
Expired / Lapsed
US
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Neutron detector of the track-damage type
Assignee: Eastman Kodak Co
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Filing: 1970-10-02
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Granted: 1973-05-22
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Expires: 1990-10-02
Abstract
Abstract A neutrographic product comprising a recorder layer capable of undergoing selective radiation-damage and a converter layer comprising a composition dispersed in a binder, said composition being capable of producing a nuclear (n, alpha) reaction.
Inventors
- 👤 F Bredoux
- 👤 C Mercier
- 👤 G Phlipot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:50
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01N; G01N23/00; G01N23/02; G01N23/04; G01N23/05; G01T3/00; G01T5/00; G01T5/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
16 words
A neutron particle detector as defined in claim 1 wherein said charged-particle-emitting material is a borate.
Claim 2
Dependent Claim
17 words
A neutron particle detector as defined in claim 1 wherein said charged-particle-emitting material is a lithium salt.
Claim 3
Dependent Claim
16 words
A neutron particle detector as defined in claim 1 wherein said charged-particle-emitting material is lithium fluoride.
Claim 4
Dependent Claim
16 words
A neutron particle detector as defined in claim 1 wherein said charged-particle-emitting material is lithium borate.
Claim 5
Dependent Claim
19 words
A neutron particle detector as defined in claim 1 wherein said recording layer is composed of a cellulose ester.
Claim 6
Dependent Claim
18 words
A neutron particle detector as defined in claim 1 wherein said recording layer is composed of cellulose nitrate.
Claim 7
Dependent Claim
14 words
A neutron particle detector as defined in claim 1 wherein said binder is gelatin.
Claim 8
Dependent Claim
16 words
A neutron particle detector as defined in claim 1 wherein said binder is a cellulose derivative.
Claim 9
Dependent Claim
14 words
A neutron particle detector as defined in claim 1 wherein said binder is polyvinylpyrrolidone.
References Cited (Backward Citations)
US3457408A
Cited
US3548191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |