Patent US2671010A successfully refreshed from Google Patents.
US2671010A
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US
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Sodium peroxide manufacture
Assignee: Ethyl Corp
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Filing: 1951-11-29
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Granted: 1954-03-02
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Expires: 1971-11-29
Abstract
No abstract record available.
Inventors
- 👤 Luke J Governale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:53
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/04; C01B15/043; C01B15/0435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF PRODUCING SODIUM PEROXIDE WHICH METHODS IS CHARACTERIZED BY POURING A FILM OF LIQUID SODIUM NOT MORE THAN ABOUT ONE MILLIMETER THICK OVER THE EXTERNAL SURFACE OF A ROTATABLE CARRIER HEATED TO BETWEEN ABOUT 450* AND 575* C., ROTATING SAID CARRIER THROUGH A STREAM OF AIR DIRECTED AGAINST SAID HEATED FILM, THE AIR BEING AT A RATE IN EXCESS OF THE QUANTITY REQUIRED FOR COMPLETELY CONVERTING THE SODIUM TO SODIUM PEROXIDE, FOR NOT MORE THAN ABOUT FIFTEEN MINUTES TILL THE FILM IS LARGELY CONVERTED TO SODIUM PEROXIDE, AND SCRAPING OFF THE RESULTING PRODUCT.
Claim 2
Independent Claim
95 words
A METHOD OF PRODUCING SODIUM PEROXIDE WHICH METHODS IS CHARACTERIZED BY POURING A FILM OF LIQUID SODIUM NOT MORE THAN ABOUT ONE MILLIMETER THICK OVER THE EXTERNAL SURFACE OF A ROTATABLE CARRIER HEATED TO BETWEEN ABOUT 450* AND 575* C., ROTATING SAID CARRIER THROUGH A STREAM OF AIR DIRECTED AGAINST SAID HEATED FILM, THE AIR BEING AT A RATE IN EXCESS OF THE QUANTITY REQUIRED FOR COMPLETELY CONVERTING THE SODIUM TO SODIUM PEROXIDE, FOR NOT MORE THAN ABOUT FIFTEEN MINUTES TILL THE FILM IS LARGELY CONVERTED TO SODIUM PEROXIDE, AND SCRAPING OFF THE RESULTING PRODUCT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |