US3278277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of acidic aqueous solutions
Assignee: KERR MC GEE OIL IND Inc
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Filing: 1962-02-28
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Granted: 1966-10-11
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Expires: 1982-02-28
Abstract
No abstract record available.
Inventors
- 👤 Mayer B Goren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:36
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026; C22B3/00; C22B3/20; C22B3/26; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
37 words
A PROCESS FOR PRECIPITATING A SUBSTANCE CONSISTING ESSENTIALLY OF SOLUBILIZED SILICA CONTAINED IN AN ACIDIC AQUEOUS MEDIUM COMPRISING ADMIXING IN THE AQUEOUS MEDIUM A WATER SOLUBLE ORGANIC COMPOUND CONTAINING A PLURALITY OF OXYALKYLENE GROUPS OF THE FORMULA
Claim 2
Dependent Claim
37 words
A PROCESS FOR PRECIPITATING A SUBSTANCE CONSISTING ESSENTIALLY OF SOLUBILIZED SILICA CONTAINED IN AN ACIDIC AQUEOUS MEDIUM COMPRISING ADMIXING IN THE AQUEOUS MEDIUM A WATER SOLUBLE ORGANIC COMPOUND CONTAINING A PLURALITY OF OXYALKYLENE GROUPS OF THE FORMULA
Claim 3
Dependent Claim
72 words
THE PROCESS OF CLAIM 1 WHEREIN THE ACIDIC AQUEOUS MEDIUM IS A SULFURIC ACID LEACH LIQUOR PREPARED BY LEACHING URANIUM ORE CONTAINING IRON, ALUMINUM AND VANADIUM VALUES, TH@E LEACH LIQUOR CONTAINS DISSOLVED IRON, ALUMINUM AND VANADIUM VALUES AND IS CLARIFIED PRIOR TO ADDITION OF THE SAID ORGANIC COMPOUND OT PRECIPITATE THE SOLUBILIZED SILICA, AND THE SAID ORGANIC COMPOUND IS ADDED SLOWLY TO THE CLARIFIED LEACH LIQUOR TO THEREBY PRECIPITATE THE SOLUBILIZED SILICA.
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |