US2819155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Briquetting of solid combustibles
Assignee: Gelsenkirchener Bergwerks AG
•
Filing: 1953-03-18
•
Granted: 1958-01-07
•
Expires: 1973-03-18
Abstract
No abstract record available.
Inventors
- 👤 Eisenhut Franz
- 👤 Gobiet Viktor
- 👤 Siegl Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:28
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/02; C10L5/06; C10L5/10; C10L5/14; C10L5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A PROCESS OF BRIQUETING SOLID COMBUSTIBLES, COMPRISING THE STEPS OF INTIMATELY MIXING A PREPONDERANT AMOUNT OF AT LEAST ONE FINELY DIVIDED SOLID COMBUSTIBLE HAVING A WATER CONTENT OF 15-25% WITH ABOUT 1-30% BY WEIGHT OF AN AQUEOUS DISPERSION OF AT LEAST ONE BITUMEN HAVING A KRAEMER-SARNOW SOFTENING POINT NO HIGHER THAN 60*C., A WATER-DISPERSIBLE CLAY IN A MINOR PROPORTION SUFFICIENT TO DISPERSE SAID BITUMEN IN SAID AQUEOUS DISPERSION AND 0.5-4% BY WEIGHT OF SAID DISPERSION OF AT LEAST ONE POLYCYCLIC HYDROCARBON HAVING A MAXIMUM OF THREE RINGS SO AS TO FORM A HOMOGENEOUS MASS OF SAID COMBUSTIBLE AND SAID DISPERSION; AND DRYING SAID THUS FORMED HOMOGENEOUS MASS SO AS TO CAUSE THE COMPONENTS THEREOF TO ADHERE TO EACH OTHER, THEREBY FORMING A COHERENT BRIQUETTE OF SAID SOLID COMBUSTIBLE.
Claim 2
Dependent Claim
128 words
A PROCESS OF BRIQUETING SOLID COMBUSTIBLES, COMPRISING THE STEPS OF INTIMATELY MIXING A PREPONDERANT AMOUNT OF AT LEAST ONE FINELY DIVIDED SOLID COMBUSTIBLE HAVING A WATER CONTENT OF 15-25% WITH ABOUT 1-30% BY WEIGHT OF AN AQUEOUS DISPERSION OF AT LEAST ONE BITUMEN HAVING A KRAEMER-SARNOW SOFTENING POINT NO HIGHER THAN 60*C., A WATER-DISPERSIBLE CLAY IN A MINOR PROPORTION SUFFICIENT TO DISPERSE SAID BITUMEN IN SAID AQUEOUS DISPERSION AND 0.5-4% BY WEIGHT OF SAID DISPERSION OF AT LEAST ONE POLYCYCLIC HYDROCARBON HAVING A MAXIMUM OF THREE RINGS SO AS TO FORM A HOMOGENEOUS MASS OF SAID COMBUSTIBLE AND SAID DISPERSION; AND DRYING SAID THUS FORMED HOMOGENEOUS MASS SO AS TO CAUSE THE COMPONENTS THEREOF TO ADHERE TO EACH OTHER, THEREBY FORMING A COHERENT BRIQUETTE OF SAID SOLID COMBUSTIBLE.
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) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |