US2768899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sodium chloride composition
Assignee: Columbia Southern Chemical Corp
•
Filing: 1956-04-23
•
Granted: 1956-10-30
•
Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 Waldo Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:56
CPC Classifications
A; A23; A23L; A23L27/00; A23L27/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN EDIBLE SODIUM CHLORIDE COMPOSITION STABILIZED AGAINST AGGLOMERATION DUE TO ABSORPTION OF MOISTURE, COMPRISING AN EDIBLE GRADE OF SODIUM CHLORIDE AND FROM 1/2 TO 5 PERCENT BY WEIGHT, BASED UPON THE WEIGHT OF SODIUM CHLORIDE, OF FINELY DIVIDED, PRECIPITATED CALCIUM SILICATE HAVING THE COMPOSITION CAO(SIO2)I, WHERE X IS A NUMBER BETWEEN 2 AND 4, AN AVERAGE ULTIMATE PARTICLE SIZE BELOW 0.1 MICRON, A SURFACE AREA RANGING BETWEEN 10 TO 150 SQUARE METERS PER GRAM AND A BOUND WATER CONTENT OF ABOUT 4 TO 10 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
87 words
AN EDIBLE SODIUM CHLORIDE COMPOSITION STABILIZED AGAINST AGGLOMERATION DUE TO ABSORPTION OF MOISTURE, COMPRISING AN EDIBLE GRADE OF SODIUM CHLORIDE AND FROM 1/2 TO 5 PERCENT BY WEIGHT, BASED UPON THE WEIGHT OF SODIUM CHLORIDE, OF FINELY DIVIDED, PRECIPITATED CALCIUM SILICATE HAVING THE COMPOSITION CAO(SIO2)I, WHERE X IS A NUMBER BETWEEN 2 AND 4, AN AVERAGE ULTIMATE PARTICLE SIZE BELOW 0.1 MICRON, A SURFACE AREA RANGING BETWEEN 10 TO 150 SQUARE METERS PER GRAM AND A BOUND WATER CONTENT OF ABOUT 4 TO 10 PERCENT BY WEIGHT.
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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |