US3155458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing salt
Assignee: Morton Salt Co
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Filing: 1962-08-08
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Granted: 1964-11-03
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Howard W Fiedelman
- 👤 Richard L Lintvedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:07
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/04; C01D3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS OF INHIBITING THE CRYSTTALLIZATION OF CALCIUM SULFATE DURING THE CRYSTALLIZATION OF SALT FROM AN ESSENTIALLY BICARBONATE-FREE SODIUM CHLORIDE BRINE HAVING CALCIUM SULFATE DISSOLVED THEREIN WHICH COMPRISES CRYSTALLIZING SALT FROM A BODY OF SAID BRINE BY EVAPORATION AND CONCENTRATION THEREOF IN THE PRESENCE OF STARCH PHOSPHATE.
Claim 2
Dependent Claim
47 words
A PROCESS OF INHIBITING THE CRYSTTALLIZATION OF CALCIUM SULFATE DURING THE CRYSTALLIZATION OF SALT FROM AN ESSENTIALLY BICARBONATE-FREE SODIUM CHLORIDE BRINE HAVING CALCIUM SULFATE DISSOLVED THEREIN WHICH COMPRISES CRYSTALLIZING SALT FROM A BODY OF SAID BRINE BY EVAPORATION AND CONCENTRATION THEREOF IN THE PRESENCE OF STARCH PHOSPHATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |