US2662810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of borax supersaturation in solutions
Assignee: Borax Europe Ltd
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Filing: 1949-09-26
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Granted: 1953-12-15
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Expires: 1969-09-26
Abstract
No abstract record available.
Inventors
- 👤 Donald S Taylor
- 👤 George A Connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:14
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/06; C01B35/08; C01B35/10; C01B35/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
THE METHOD OF STABILIZING A STATE OF SUPERSATURATION WITH RESPECT TO BORAX IN AQUEOUS SOLUTION DURING A HOLDING PERIOD OF APPRECIABLE DURATION; SAID METHOD COMPRISING PRODUCING AN AQUEOUS SOLUTION THAT IS SUBTANTIALLY SATURATED WITH RESPECT TO BORAX, PROVIDING IN THE SOLUTION A STABILZING AGENT SELECTED FROM THE CLASS CONSISTING OF METAL SALTS OF FATTY ACIDS, SURFACE ACITVE SULFONATED ORGANIC COMPOUNDS AND SURFACE ACTIVE SULFATED ORGANIC COMPOUNDS, THE CONCENTRATION OF SAID STABILIZING AGENT BEING GREATER THAN ABOUT ONE TENTH PERCENT ON THE DRY WEIGHT OF THE OTHER SOLUTES PRESENT, AND THEN HOLDING THE SOLUTION CONTINUOUSLY DURING THE SAID HOLDING PERIOD UNDER CONDITIONS FOR WHICH THE EQUILIBRIUM SOLUBILITY WITH RESPECT TO BORAX IS LESS THAN THE EXISTING BORAX CONCENTRATION OF THE SOLUTION BY AN AMOUNT THAT IS INSUFFICIENT, BY VIRTUE OF THE PRESENCE OF THE SAID STABILIZING AGENT, TO CAUSE APPRECIABLE CRYSTALLIZATION OF BORAX.
Claim 2
Independent Claim
142 words
THE METHOD OF STABILIZING A STATE OF SUPERSATURATION WITH RESPECT TO BORAX IN AQUEOUS SOLUTION DURING A HOLDING PERIOD OF APPRECIABLE DURATION; SAID METHOD COMPRISING PRODUCING AN AQUEOUS SOLUTION THAT IS SUBTANTIALLY SATURATED WITH RESPECT TO BORAX, PROVIDING IN THE SOLUTION A STABILZING AGENT SELECTED FROM THE CLASS CONSISTING OF METAL SALTS OF FATTY ACIDS, SURFACE ACITVE SULFONATED ORGANIC COMPOUNDS AND SURFACE ACTIVE SULFATED ORGANIC COMPOUNDS, THE CONCENTRATION OF SAID STABILIZING AGENT BEING GREATER THAN ABOUT ONE TENTH PERCENT ON THE DRY WEIGHT OF THE OTHER SOLUTES PRESENT, AND THEN HOLDING THE SOLUTION CONTINUOUSLY DURING THE SAID HOLDING PERIOD UNDER CONDITIONS FOR WHICH THE EQUILIBRIUM SOLUBILITY WITH RESPECT TO BORAX IS LESS THAN THE EXISTING BORAX CONCENTRATION OF THE SOLUTION BY AN AMOUNT THAT IS INSUFFICIENT, BY VIRTUE OF THE PRESENCE OF THE SAID STABILIZING AGENT, TO CAUSE APPRECIABLE CRYSTALLIZATION OF BORAX.
References Cited (Backward Citations)
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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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |