US2935387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compacting process for producing a granular product
Assignee: Duval Sulphur and Potash Co
•
Filing: 1957-05-31
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Granted: 1960-05-03
•
Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Ira B Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:12
CPC Classifications
C; C05; C05D; C05D1/00; C05D1/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF PRODUCING AN IMPROVED QUALITY OF GRANULAR MURIATE OF POTASH WHICH INCLUDES, ADMIXING A FINE PARTICLE FEED OF MURIATE OF POTASH WITH A USEFUL AMOUNT OF A WATER BASE LIQUID PREVIOUSLY SATURATED WITH THE SOLUBLE CONSTUTUENTS OF THE FEED TO FORM A SOLID-LIQUID MIXTURE, CONDUCTING SAID SOLID-LIQUID MIXTURE TO A COMPACTOR AT A TEMPERATURE OF AT LEAST 200 DEGREES F., BUT
Claim 2
Independent Claim
63 words
THE METHOD OF PRODUCING AN IMPROVED QUALITY OF GRANULAR MURIATE OF POTASH WHICH INCLUDES, ADMIXING A FINE PARTICLE FEED OF MURIATE OF POTASH WITH A USEFUL AMOUNT OF A WATER BASE LIQUID PREVIOUSLY SATURATED WITH THE SOLUBLE CONSTUTUENTS OF THE FEED TO FORM A SOLID-LIQUID MIXTURE, CONDUCTING SAID SOLID-LIQUID MIXTURE TO A COMPACTOR AT A TEMPERATURE OF AT LEAST 200 DEGREES F., BUT
References Cited (Backward Citations)
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US2195754A
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US2448126A
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US2461089A
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US2680680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |