US2496353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of copper oxide pellets
Assignee: Airco Inc
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Filing: 1947-11-12
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Granted: 1950-02-07
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Expires: 1967-11-12
Abstract
No abstract record available.
Inventors
- 👤 William C Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:47
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD FOR THE PREPARATION OF A MIXTURE WHICH MAY SUITABLY BE PELLETED TO FORM CUPRIC OXIDE PELLETS OF HIGH MECHANICAL STRENGTH, THE SAID METHOD COMPRISING HEATING AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 95* TO ABOUT 135*C. FOR A PERIOD OF FROM ABOUT ONE-HALF TO ABOUT TWO AND ONE-HALF HOURS A MIXTURE WHICH CONSISTS ESSENTIALLY OF POWERED CUPRIC OXIDE, FROM ABOUT 0.5 TO ABOUT 3.5 PARTS PER 100 PARTS OF CUPRIC OXIDE OF A NORMAL, MONOCARBOXYLIC ACID HAVING FROM 12 TO 20 CARBON ATOMS AND FROM ABOUT 0.3 TO ABOUT 0.7 PARTS PER PART OF SAID MONOCARBOXYLIC ACID OF AN ETHANOLAMINE.
Claim 2
Independent Claim
104 words
THE METHOD FOR THE PREPARATION OF A MIXTURE WHICH MAY SUITABLY BE PELLETED TO FORM CUPRIC OXIDE PELLETS OF HIGH MECHANICAL STRENGTH, THE SAID METHOD COMPRISING HEATING AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 95* TO ABOUT 135*C. FOR A PERIOD OF FROM ABOUT ONE-HALF TO ABOUT TWO AND ONE-HALF HOURS A MIXTURE WHICH CONSISTS ESSENTIALLY OF POWERED CUPRIC OXIDE, FROM ABOUT 0.5 TO ABOUT 3.5 PARTS PER 100 PARTS OF CUPRIC OXIDE OF A NORMAL, MONOCARBOXYLIC ACID HAVING FROM 12 TO 20 CARBON ATOMS AND FROM ABOUT 0.3 TO ABOUT 0.7 PARTS PER PART OF SAID MONOCARBOXYLIC ACID OF AN ETHANOLAMINE.
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) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |