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US3833718A
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Method of mixing an aqueous aluminum salt solution and an alkaline base solution in a jet mixer to form a hydroxy-aluminum solution
Assignee: Chevron USA Inc
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Filing: 1973-07-02
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Granted: 1974-09-03
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Expires: 1993-07-02
Abstract
Abstract METHOD AND APPARATUS FOR HIGH SHEAR MIXING PARTICULARLY USEFUL IN PREPARING HYDROXY-ALUMINUM SOLUTION FOR USE IN WELL TREATING.
Inventors
- 👤 M Reed
- 👤 R Millhone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:59
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/02; C01F7/34; B; B01; B01F; B01F25/00; B01F25/20; B01F25/23; B01F25/40; B01F25/42; B01F25/43; B01F25/432; Y; Y10; Y10S; Y10S507/00; Y10S507/904; Y10S516/00; Y10S516/924; Y10S516/929; Y10S516/931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |