Patent US2690387A successfully refreshed from Google Patents.
US2690387A
Expired / Lapsed
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Amorphous inorganic compositions and method of producing same
Assignee: Borax Europe Ltd
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Filing: 1950-08-29
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Granted: 1954-09-28
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Expires: 1970-08-29
Abstract
No abstract record available.
Inventors
- 👤 Patrick J O'brien
- 👤 George A Connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:00
CPC Classifications
A; A01; A01N; A01N59/00; A01N59/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A SOLID PARTICULATE COMPOSITION OF MATTER COMPRISING SODIUM BORATE AND SODIUM CHLORATE IN SUBSTANTIALLY AMORPHOUS SOLID SOLUTION WITHIN EACH PARTICLE, THE SAID COMPOSITION BEING READILY SOLUBLE IN WATER WITHOUT APPRECIABLE COOLING OF SOLUTION.
Claim 2
Dependent Claim
33 words
A SOLID PARTICULATE COMPOSITION OF MATTER COMPRISING SODIUM BORATE AND SODIUM CHLORATE IN SUBSTANTIALLY AMORPHOUS SOLID SOLUTION WITHIN EACH PARTICLE, THE SAID COMPOSITION BEING READILY SOLUBLE IN WATER WITHOUT APPRECIABLE COOLING OF SOLUTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |