US3009775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction of caking tendency of salt
Assignee: International Salt Co Inc
•
Filing: 1958-04-14
•
Granted: 1961-11-21
•
Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Ladenburg Kurt
- 👤 Richard S Ploss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:46
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/26; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS COMPRISING TREATING PARTICLES OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIUM FERROCYANIDE, ALKALI METAL FERROCYANIDES AND ALKALINE EARTH METAL FERROCYANIDES WITH ABOUT 0.5 TO 6% BY WEIGHT OF A WATER INSOLUBLE NORMALLY WAXY MATERIAL IN MOLTEN FORM, ALLOWING THE WAXY MATERIAL TO COOL IN SITU AS A COATING ON THE PARTICLES OF SAID COMPOUND, AND THEN ADMIXING THE RESULTING COATED PARTICLES OF SAID COMPOUND WITH SODIUM CHLORIDE PARTICLES HAVING A TENDENCY TO CAKE, IN AN AMOUNT SUFFICIENT TO REDUCE THE TENDENCY OF SAID SODIUM CHLORIDE PARTICLES TO CAKE.
Claim 2
Dependent Claim
92 words
A PROCESS COMPRISING TREATING PARTICLES OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIUM FERROCYANIDE, ALKALI METAL FERROCYANIDES AND ALKALINE EARTH METAL FERROCYANIDES WITH ABOUT 0.5 TO 6% BY WEIGHT OF A WATER INSOLUBLE NORMALLY WAXY MATERIAL IN MOLTEN FORM, ALLOWING THE WAXY MATERIAL TO COOL IN SITU AS A COATING ON THE PARTICLES OF SAID COMPOUND, AND THEN ADMIXING THE RESULTING COATED PARTICLES OF SAID COMPOUND WITH SODIUM CHLORIDE PARTICLES HAVING A TENDENCY TO CAKE, IN AN AMOUNT SUFFICIENT TO REDUCE THE TENDENCY OF SAID SODIUM CHLORIDE PARTICLES TO CAKE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |