US2606839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noncaking sea salt and method of producing the same
Assignee: Dow Chemical Co
•
Filing: 1951-03-21
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Granted: 1952-08-12
•
Expires: 1971-03-21
Abstract
No abstract record available.
Inventors
- 👤 Chives W Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:52
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/26; B; B01; B01J; B01J2/00; B01J2/30; Y; Y10; Y10S; Y10S426/00; Y10S426/806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS OF PRODUCING A SUBSTANTIALLY NONDELIQUESCENT NON-CAKING MINERALIZED SALT FROM SEAWATER, DEBROMINATED SEAWATER, AND CONCENTRATES THEREOF WHICH COMPRISES ALKALIZING AND CARBONATING THE WATER IN A PROPORTION EQUIVALENT CHEMICALLY TO AT LEAST ONE-HALF THE TOTAL MAGNESIUM AND CALCIUM SALTS IN THE WATER, AND EVAPORATING THE TREATED WATER TO DRYNESS.
Claim 2
Dependent Claim
49 words
A PROCESS OF PRODUCING A SUBSTANTIALLY NONDELIQUESCENT NON-CAKING MINERALIZED SALT FROM SEAWATER, DEBROMINATED SEAWATER, AND CONCENTRATES THEREOF WHICH COMPRISES ALKALIZING AND CARBONATING THE WATER IN A PROPORTION EQUIVALENT CHEMICALLY TO AT LEAST ONE-HALF THE TOTAL MAGNESIUM AND CALCIUM SALTS IN THE WATER, AND EVAPORATING THE TREATED WATER TO DRYNESS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |