Patent US2643947A successfully refreshed from Google Patents.
US2643947A
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Supersaturated borax solutions and methods and compositions for producing same
Assignee: Borax Europe Ltd
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Filing: 1949-09-26
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Granted: 1953-06-30
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Expires: 1969-09-26
Abstract
No abstract record available.
Inventors
- 👤 George A Connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:25
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/06; C01B35/08; C01B35/10; C01B35/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A SOLID COMPOSITION OF MATTER COMPRISING A MIXTURE OF SODIUM TETRABORATE AND A SUBSTANCE SELECTED FROM THE CLASS COMPRISING BORIC ACID, SODIUM PENTABORATE, SODIUM METABORATE AND SODIUM PERBORATE, SAID COMPOSITION BEING CAPABLE OF DISSOLVING DIRECTLY IN WATER TO PRODUCE A SOLUTION APPRECIABLY SUPERSATURATED WITH RESPECT TO BORAX; THE SODIUM TETRABORATE IN THE MIXTURE CONTAINING BETWEEN 0 AND 5 MOLS, INCLUSIVE, OF WATER OF HYDRATION PER MOL OF TETRABORATE.
Claim 2
Dependent Claim
68 words
A SOLID COMPOSITION OF MATTER COMPRISING A MIXTURE OF SODIUM TETRABORATE AND A SUBSTANCE SELECTED FROM THE CLASS COMPRISING BORIC ACID, SODIUM PENTABORATE, SODIUM METABORATE AND SODIUM PERBORATE, SAID COMPOSITION BEING CAPABLE OF DISSOLVING DIRECTLY IN WATER TO PRODUCE A SOLUTION APPRECIABLY SUPERSATURATED WITH RESPECT TO BORAX; THE SODIUM TETRABORATE IN THE MIXTURE CONTAINING BETWEEN 0 AND 5 MOLS, INCLUSIVE, OF WATER OF HYDRATION PER MOL OF TETRABORATE.
References Cited (Backward Citations)
US2096266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |