US2789880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective chlorination of beryl
Assignee: Individual
•
Filing: 1954-09-23
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Granted: 1957-04-23
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Expires: 1974-09-23
Abstract
No abstract record available.
Inventors
- 👤 Wallace W Beaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:17
CPC Classifications
C; C01; C01F; C01F3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
THE METHOD OF SELECTIVE CHLORINATION OF BERYL ORE WHICH COMPRISE FORMING AN INTIMATE MIXTURE OF PULVERULANT BERYL ORE AND CARBON, THE WEIGHT RATIO OF SAID CARBON TO BERYL ORE BEING IN EXCESS OF 1, PASSING A GAS CONTAINING REACTIVE CHLORINE INTO CONTACT WITH SAID MIXTURE AT A RATE ODF BETWEEN 0.2 AND 3.3 GRAMS OF CHLORINE PER GRAM OD BERYL ORE PER HOUR WHILE MAINTAINING THE TEMPERATURE OF SAID MIXTURE ABOVE 1400*C. AND BELOW THE SINTERING TEMPERATURE THEREOF UNTIL THE WEIGHT RATIO OF CHLORIDE PASSED INTO CINTACT WITH THE MIXTURE OF THE BERYL THEREIN IS OF THE OTHER OF 2 AND COLECTING THE VOLATILE CHLORIDE PRODUCTS OF SAID CHLORINATION.
Claim 2
Independent Claim
109 words
THE METHOD OF SELECTIVE CHLORINATION OF BERYL ORE WHICH COMPRISE FORMING AN INTIMATE MIXTURE OF PULVERULANT BERYL ORE AND CARBON, THE WEIGHT RATIO OF SAID CARBON TO BERYL ORE BEING IN EXCESS OF 1, PASSING A GAS CONTAINING REACTIVE CHLORINE INTO CONTACT WITH SAID MIXTURE AT A RATE ODF BETWEEN 0.2 AND 3.3 GRAMS OF CHLORINE PER GRAM OD BERYL ORE PER HOUR WHILE MAINTAINING THE TEMPERATURE OF SAID MIXTURE ABOVE 1400*C. AND BELOW THE SINTERING TEMPERATURE THEREOF UNTIL THE WEIGHT RATIO OF CHLORIDE PASSED INTO CINTACT WITH THE MIXTURE OF THE BERYL THEREIN IS OF THE OTHER OF 2 AND COLECTING THE VOLATILE CHLORIDE PRODUCTS OF SAID CHLORINATION.
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) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |