US2587309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granulation of salt cake
Assignee: Ethyl Corp
•
Filing: 1950-06-14
•
Granted: 1952-02-26
•
Expires: 1970-06-14
Abstract
No abstract record available.
Inventors
- 👤 Albert P Giraitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:17
CPC Classifications
C; C01; C01D; C01D5/00; C01D5/02; B; B01; B01J; B01J2/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE PROCESS OF GRANULATING MANUFACTURED SALT CAKE TO A FREE-FLOWING AND NON-DUSTING PRODUCT COMPRISING UNIFORMLY ADDING TO FINELY DIVIDED SALT CAKE A SUFFICIENT AMOUNT OF WATER TO PROVIDE A TOTAL OF 10 TO 14 POUNDS OF WATER PER 100 POUNDS OF ANHYDROUS SALT CAKE, AND THEN DRYING SAID WETTED SALT CAKE TO A TOTAL MOISTURE CONTENT OF LESS THAN 0.5 PERCENT.
Claim 2
Dependent Claim
61 words
THE PROCESS OF GRANULATING MANUFACTURED SALT CAKE TO A FREE-FLOWING AND NON-DUSTING PRODUCT COMPRISING UNIFORMLY ADDING TO FINELY DIVIDED SALT CAKE A SUFFICIENT AMOUNT OF WATER TO PROVIDE A TOTAL OF 10 TO 14 POUNDS OF WATER PER 100 POUNDS OF ANHYDROUS SALT CAKE, AND THEN DRYING SAID WETTED SALT CAKE TO A TOTAL MOISTURE CONTENT OF LESS THAN 0.5 PERCENT.
References Cited (Backward Citations)
CA319413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |