US2964467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precipitation inhibiting
Assignee: GAF Chemicals Corp
•
Filing: 1956-05-04
•
Granted: 1960-12-13
•
Expires: 1976-05-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Lambert
- 👤 Joseph P Copes
- 👤 George J Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:21
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/88; C11D3/00; C11D3/02; C11D3/04; C11D3/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
PROCESS FOR INHIBITING PRECIPITATION OF INORGANIC SALTS FROM INDUSTRIAL BRINES,WHICH COMPRISES ADDING TO INDUSTRIAL BRINE FROM ABOUT 0.5 TO 5 PARTS BY WEIGHT, PER MILLION PARTS OF BRINE, OF A COMPOSITION COMPRISING A MIXTURE OF ABOUT 40 TO 60 PARTS BY WEIGHT OF THE POTASSIUM SALT OF N-TALL OIL-ACYL-N-METHYL TAURIDE AND ABOUT 60 TO 40 PARTS BY WEIGHT OF SODIUM HEXAMETAPHOSPHATE.
References Cited (Backward Citations)
US1901321A
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US2264103A
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US2258260A
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US2358222A
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US2651645A
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US2576386A
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US2628162A
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US2782162A
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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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |