US3010882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of extruding anthracite coal to form a metallurgical coke-like material
Assignee: Wyeth Holdings LLC
•
Filing: 1952-07-14
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Granted: 1961-11-28
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Expires: 1972-07-14
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Barclay
- 👤 Nobles Elon John
- 👤 Kruppa William Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:28
CPC Classifications
C; C10; C10B; C10B53/00; C10B53/08; C10L; C10L5/00; C10L5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS OF PRODUCING METALLURGICAL COKE WHICH COMPRISES THROUGHLY ADMIXING FINELY PARTICULATED ANTHRACITE COAL WITH A FLUENT CARBONACEOUS BINDER PREHEATED TO A TEMPERATURE OF APPROXIMATELY 300*F. TO 350*F. AND IN ATOMIZED FORM FOR A PERIOD OF TIME SUFFICIENT TO EFFECTIVELY COAT AND THE COAL PARTICLES AND PRODUCE A PLASTIC MASS OF UNIFORM CONSISTENCY CONTAINING FROM ABOUT 6% TO ABOUT 12% WATER, SAID BINDER BEING GRADUALLY ADDED DURING THE MIXING OPERATION, EXTRUDING THE PLASTIC MASS THROUGH A DIE ORIFICE UNDER A PRESSURE OF APPROXIMATELY 100 P.S.I. TO FORM A CONTINUOUS UNIT, CUTTING THE UNIT INTO SECTIONS OF SELECTED LENGTH, CARBONIZING SUCH UNITS BY PASSING THEM DOWNWARDLY THROUGH A VERTICAL CARBONIZATION ZONE IN
Claim 2
Dependent Claim
111 words
A PROCESS OF PRODUCING METALLURGICAL COKE WHICH COMPRISES THROUGHLY ADMIXING FINELY PARTICULATED ANTHRACITE COAL WITH A FLUENT CARBONACEOUS BINDER PREHEATED TO A TEMPERATURE OF APPROXIMATELY 300*F. TO 350*F. AND IN ATOMIZED FORM FOR A PERIOD OF TIME SUFFICIENT TO EFFECTIVELY COAT AND THE COAL PARTICLES AND PRODUCE A PLASTIC MASS OF UNIFORM CONSISTENCY CONTAINING FROM ABOUT 6% TO ABOUT 12% WATER, SAID BINDER BEING GRADUALLY ADDED DURING THE MIXING OPERATION, EXTRUDING THE PLASTIC MASS THROUGH A DIE ORIFICE UNDER A PRESSURE OF APPROXIMATELY 100 P.S.I. TO FORM A CONTINUOUS UNIT, CUTTING THE UNIT INTO SECTIONS OF SELECTED LENGTH, CARBONIZING SUCH UNITS BY PASSING THEM DOWNWARDLY THROUGH A VERTICAL CARBONIZATION ZONE IN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |