US2862809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soda ash briquette and its method of manufacture
Assignee: Olin Corp
•
Filing: 1956-08-14
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Granted: 1958-12-02
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Expires: 1976-08-14
Abstract
No abstract record available.
Inventors
- 👤 Donald D Threlkeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:09
CPC Classifications
C; C01; C01D; C01D7/00; C01D7/38; C21; C21C; C21C1/00; C21C1/02; C21C1/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD FOR THE MANUFACTURE OF BRIQUETTES WHICH COMPRISES ADMIXING LIGHT SODA ASH AND FROM ABOUT 0.5 TO 5 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE SODA ASH, OF AT LEAST ONE LIQUID MATERIAL SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE GLYCOL AND TRIETHYLENE GLYCOL, TO FORM AN INTIMATE MIXTURE, AND THEREAFTER FORMING THE MIXTURE INTO BRIQUETTES BY THE APPLICATION OF PRESSURE.
Claim 2
Independent Claim
64 words
A METHOD FOR THE MANUFACTURE OF BRIQUETTES WHICH COMPRISES ADMIXING LIGHT SODA ASH AND FROM ABOUT 0.5 TO 5 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE SODA ASH, OF AT LEAST ONE LIQUID MATERIAL SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE GLYCOL AND TRIETHYLENE GLYCOL, TO FORM AN INTIMATE MIXTURE, AND THEREAFTER FORMING THE MIXTURE INTO BRIQUETTES BY THE APPLICATION OF PRESSURE.
References Cited (Backward Citations)
US1826881A
Cited
US2334499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |