US2734002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin-coated potassium salts and method
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:32
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/30; C; C05; C05D; C05D1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
41 words
A TREATMENT OF CRYSTALLINE OR GRANULAR HYGROSCOPIC POTASSIUM SALTS TO REDUCE CAKING TENDENCIES THEREOF, COMPRISING SUBSTANTIALLY COATING THE SURFACE OF THE INDIVIDUAL PARTICLES WITH A THIN COATING OF A RESIN SELECTED FROM ONE OF THE CLASS CONSISTING OF UREA-FORMALDEHYDE AND PHENOLFORMALDEHYDE.
References Cited (Backward Citations)
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Cited
US2092903A
Cited
US2155499A
Cited
US2234484A
Cited
US2303504A
Cited
US2312214A
Cited
US2470822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |