Patent US2086433A successfully refreshed from Google Patents.
Patent US3000708A successfully refreshed from Google Patents.
US3000708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of sodium chloride by the evaporation of solutions
Assignee: Akzo NV
•
Filing: 1956-06-25
•
Granted: 1961-09-19
•
Expires: 1976-06-25
Abstract
No abstract record available.
Inventors
- 👤 Kapsenberg Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:42
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/04; C01D3/06; C01D3/22; C01D3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
PROCESS FOR THE MANUFACTURE OF SODIUM CHLORIDE HAVING A RELATIVELY HIGH BULK DENSITY, AND PROCESS RESULTING IN SALT HAVING IMPROVED STREWABILITY AND FURTHER RESULTING IN MINIMIZED ENCRUSTATION DURING PROCESSING, SAID PROCESS COMPRISING ADDING TO A SOLUTION OF SODIUM CHLORIDE A COMPOUND SUPPLYING NITRILOTRIACETATE AND EVAPORATING THE SOLUTION.
Claim 2
Dependent Claim
47 words
PROCESS FOR THE MANUFACTURE OF SODIUM CHLORIDE HAVING A RELATIVELY HIGH BULK DENSITY, AND PROCESS RESULTING IN SALT HAVING IMPROVED STREWABILITY AND FURTHER RESULTING IN MINIMIZED ENCRUSTATION DURING PROCESSING, SAID PROCESS COMPRISING ADDING TO A SOLUTION OF SODIUM CHLORIDE A COMPOUND SUPPLYING NITRILOTRIACETATE AND EVAPORATING THE SOLUTION.
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |