US2640028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intercrystallized lithium hypochlorite-sodium sulfate composition
Assignee: Mathieson Chemical Corp
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Filing: 1950-01-04
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Granted: 1953-05-26
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Expires: 1970-01-04
Abstract
No abstract record available.
Inventors
- 👤 Homer L Robson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:15
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/04; C01B11/06; C01B11/062; C01B11/068
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF INTERCRYSTALLIZED SUBSTANTIALLY ANHYDROUS LITHIUM HYPOCHLORITE AND 10% TO 100% BY WEIGHT, BASED ON THE LITHIUM HYPOCHLORITE, OF SUBSTANTIALLY ANHYDROUS SODIUM SULFATE, CHARACTERIZED BY THE HIGH DENSITY AND THE FINELY GRAINED CRYSTAL STRUCTURE OF THE INTIMATELY INTERCRYSTALLIZED COMPONENTS WITH THE SODIUM SULFATE IN THE FORM OF THIN, INTER-TWINED LATHS EXHIBITING LOW BIREFRINGENCE AND NEGATIVE ELONGATION RELATIVE TO THENARDITE.
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) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |