US2933377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making non-caking and free-flowing sodium nitrite
Assignee: EIDP Inc
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Filing: 1956-08-01
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Granted: 1960-04-19
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Expires: 1976-08-01
Abstract
No abstract record available.
Inventors
- 👤 Cecil J Doubt
- 👤 Henry R Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:26
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/20; B30B11/201; C; C01; C01B; C01B21/00; C01B21/20; C01B21/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS FOR CONVERTING GRANULAR SODIUM NITRITE TO A NON-CAKING, FREE-FLOWING FORM WHICH COMPRISES FIRST ADJUSTING THE MOISTURE CONTENT OF THE GRANULAR SALT TO ABOUT 2 TO 9% WATER BY WEIGHT, FORCING THE MOISTURE-ADJUSTED SALT THROUGH A DIE HAVING A MULTIPLICITY OF GENERALLY CIRCULAR OPENINGS, SLICING THE STRANDS EMERGING FROM SAID DIE INTO SEGMENTS HAVING LENGTHS THE MAJORITY OF WHICH ARE NOT MORE THAN ABOUT THREE TIMES THE CROSS-SECTIONAL DIAMETER OF THE STRAND IN EACH INSTANCE, AND DRYING THE PELLETS THUS OBTAINED TO A MOISTURE CONTENT WHICH IS SUFFICIENTLY LOW SO THAT THE PELLETS WILL NOT CRUMBLE WHEN
Claim 2
Dependent Claim
98 words
A PROCESS FOR CONVERTING GRANULAR SODIUM NITRITE TO A NON-CAKING, FREE-FLOWING FORM WHICH COMPRISES FIRST ADJUSTING THE MOISTURE CONTENT OF THE GRANULAR SALT TO ABOUT 2 TO 9% WATER BY WEIGHT, FORCING THE MOISTURE-ADJUSTED SALT THROUGH A DIE HAVING A MULTIPLICITY OF GENERALLY CIRCULAR OPENINGS, SLICING THE STRANDS EMERGING FROM SAID DIE INTO SEGMENTS HAVING LENGTHS THE MAJORITY OF WHICH ARE NOT MORE THAN ABOUT THREE TIMES THE CROSS-SECTIONAL DIAMETER OF THE STRAND IN EACH INSTANCE, AND DRYING THE PELLETS THUS OBTAINED TO A MOISTURE CONTENT WHICH IS SUFFICIENTLY LOW SO THAT THE PELLETS WILL NOT CRUMBLE WHEN
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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |