US4020003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixation of tritium in a highly stable polymer form
Assignee: Energy Research and Development Administration ERDA
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Filing: 1976-02-24
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Granted: 1977-04-26
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Expires: 1996-02-24
Abstract
Abstract A method for the fixation of tritium comprising reacting tritiated water with calcium carbide to produce calcium hydroxide and tritiated acetylene, polymerizing the acetylene, and then incorporating the polymer in a solidifying matrix.
Inventors
- 👤 Meyer Steinberg
- 👤 Peter Colombo
- 👤 Jacob Pruzansky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:36
CPC Classifications
C; C08; C08F; C08F138/00; C08F138/02; G; G21; G21F; G21F9/00; G21F9/04; G21F9/06; G21F9/28; G21F9/30; G21F9/301; G21F9/302; G21F9/304
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
53 words
A method of fixing tritiated water comprising the steps of: a. reacting said tritiated water and calcium carbide to produce tritiated calcium hydroxide and acetylene; b. separating the calcium hydroxide from the acetylene; c. polymerizing the acetylene to form polyacetylene; and d. incorporating the polyacetylene in a solidfying matrix of cement and water.
Claim 2
Independent Claim
53 words
A method of fixing tritiated water comprising the steps of: a. reacting said tritiated water and calcium carbide to produce tritiated calcium hydroxide and acetylene; b. separating the calcium hydroxide from the acetylene; c. polymerizing the acetylene to form polyacetylene; and d. incorporating the polyacetylene in a solidfying matrix of cement and water.
Claim 3
Dependent Claim
33 words
The method of claim 1 in which the tritiated calcium hydroxide is calcinated to remove the tritiated water therefrom followed by repeating the water-calcium carbide reaction to increase the yield of tritiated acetylene.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |