Patent US3272593A successfully refreshed from Google Patents.
US3272593A
Expired / Lapsed
US
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Process of reducing the cake-forming tendency of potassium chloride and composition containing same
Assignee: Dow Chemical Co
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Filing: 1964-05-04
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Granted: 1966-09-13
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Basil S Fee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:47
CPC Classifications
C; C05; C05D; C05D1/00; C05D1/005; C01; C01D; C01D3/00; C01D3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A METHOD OF REDUCING THE CAKE-FORMING TENDENCY OF POTASSIUM CHLORIDE WHICH COMPRISES CONTACTING SAID POTASSIUM CHLORIDE WITH UP TO ABOUT FOUR PERCENT BY WEIGHT OF DIETHYLENE GLYCOL.
Claim 2
Independent Claim
27 words
A METHOD OF REDUCING THE CAKE-FORMING TENDENCY OF POTASSIUM CHLORIDE WHICH COMPRISES CONTACTING SAID POTASSIUM CHLORIDE WITH UP TO ABOUT FOUR PERCENT BY WEIGHT OF DIETHYLENE GLYCOL.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |