US2826301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidizing agents including sodium peroxide in phosphate flotation
Assignee: International Minerals and Chemical Corp
•
Filing: 1955-08-01
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Granted: 1958-03-11
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Expires: 1975-08-01
Abstract
No abstract record available.
Inventors
- 👤 Baron Ira M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:54
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/001; B03D1/002; B03D2201/00; B03D2201/007; B03D2203/00; B03D2203/02; B03D2203/04; B03D2203/06; Y; Y10; Y10S; Y10S209/00; Y10S209/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
IN THE PROCESS OF BENEFICIATING AN AQUEOUS PULP OF PHOSPHATE ORE, THE STEP COMPRISING THE CONDITIONING OF AN AQUEOUS SUSPENSION OF THE ORE WITH AN OXIDIZING AGENT CONTAINING SODIUM PEROXIDE.
Claim 2
Dependent Claim
30 words
IN THE PROCESS OF BENEFICIATING AN AQUEOUS PULP OF PHOSPHATE ORE, THE STEP COMPRISING THE CONDITIONING OF AN AQUEOUS SUSPENSION OF THE ORE WITH AN OXIDIZING AGENT CONTAINING SODIUM PEROXIDE.
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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |