Patent US2665211A successfully refreshed from Google Patents.
US2665211A
Expired / Lapsed
US
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Treatment of aqueous dispersions
Assignee: Hall Labs LLC
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Filing: 1950-04-26
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Granted: 1954-01-05
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Expires: 1970-04-26
Abstract
No abstract record available.
Inventors
- 👤 Charles T Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:11
CPC Classifications
A; A23; A23G; A23G1/00; A23G1/30; A23G1/56; A23L; A23L29/00; A23L29/20; A23L29/206; A23L29/256; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE PROCESS OF TREATING AN AQUEOUS DISPERSION HAVING AS ONE CONSTITUENT A WATER-MODIFYMETAL COMPOUND HAVING THE PROPERTY OF MODIFYING THE THE VISCOSITY OF AN ALGINATE DISPERSION, WHICH COMPRISED ADDING TO THE DISPERSION A MOLECULARLY DEHYDRATED PHOSPHATE IN AN AMOUNT THAT SOME BUT NOT TO THE TOTAL METAL IN SOLUTION THAT SOME BUT NOT ALL OF THE METAL WILL BE SEQUESTERED, LEAVING SOME AVAILABLE METAL ION IN SOLUTION, AND ADDING A WATER-SOLUBLE ALGINATE TO THE DISPERSION WHEREBY THE FREE METAL ION REACTS WITH THE ALGINATE, THE AMOUNT OF FREE METAL ION BEING SO REGULATED THAT A PORTION ONLY OF THE ALGINATE WILL BE REACTED.
Claim 2
Dependent Claim
103 words
THE PROCESS OF TREATING AN AQUEOUS DISPERSION HAVING AS ONE CONSTITUENT A WATER-MODIFYMETAL COMPOUND HAVING THE PROPERTY OF MODIFYING THE THE VISCOSITY OF AN ALGINATE DISPERSION, WHICH COMPRISED ADDING TO THE DISPERSION A MOLECULARLY DEHYDRATED PHOSPHATE IN AN AMOUNT THAT SOME BUT NOT TO THE TOTAL METAL IN SOLUTION THAT SOME BUT NOT ALL OF THE METAL WILL BE SEQUESTERED, LEAVING SOME AVAILABLE METAL ION IN SOLUTION, AND ADDING A WATER-SOLUBLE ALGINATE TO THE DISPERSION WHEREBY THE FREE METAL ION REACTS WITH THE ALGINATE, THE AMOUNT OF FREE METAL ION BEING SO REGULATED THAT A PORTION ONLY OF THE ALGINATE WILL BE REACTED.
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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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |