US3181933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactive diamond and process for the preparation thereof
Assignee: General Electric Co
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Filing: 1961-02-28
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Granted: 1965-05-04
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Expires: 1981-02-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert H Wentorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:10
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/062; B01J2203/00; B01J2203/06; B01J2203/0605; B01J2203/061; B01J2203/065; B01J2203/0655; B01J2203/0675; B01J2203/068; Y; Y10; Y10S; Y10S425/00; Y10S425/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR MAKING MAN-PRODUCED RADIOACTIVE DIAMONDS HAVING A RADIOACTIVITY WHICH IS BOTH (1) COEXTENSIVE WITH THE MASS OF THE DIAMOND AND (2) EXCEEDS THAT OF KNOWN DIAMOND, WHICH PROCESS COMPRISES HEATING AT A TEMPERATURE IN EXCESS OF 1200*C. AND AT A PRESSURE IN EXCESS OF 40,000 ATMOSPHERES IN THE DIAMOND-FORMING REGION, A MAN-PRODUCED CARBONACEOUS MATERIAL RENDERED RADIOACTIVE BY BOMBARDMENT WITH HIGH ENERGY RADIATION IN COMBINATION WITH A CATALYST FOR DIAMOND FORMATION.
Claim 2
Dependent Claim
72 words
A PROCESS FOR MAKING MAN-PRODUCED RADIOACTIVE DIAMONDS HAVING A RADIOACTIVITY WHICH IS BOTH (1) COEXTENSIVE WITH THE MASS OF THE DIAMOND AND (2) EXCEEDS THAT OF KNOWN DIAMOND, WHICH PROCESS COMPRISES HEATING AT A TEMPERATURE IN EXCESS OF 1200*C. AND AT A PRESSURE IN EXCESS OF 40,000 ATMOSPHERES IN THE DIAMOND-FORMING REGION, A MAN-PRODUCED CARBONACEOUS MATERIAL RENDERED RADIOACTIVE BY BOMBARDMENT WITH HIGH ENERGY RADIATION IN COMBINATION WITH A CATALYST FOR DIAMOND FORMATION.
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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |