US2659668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for gasifying coals
Assignee: Phillips Petroleum Co
•
Filing: 1949-09-12
•
Granted: 1953-11-17
•
Expires: 1969-09-12
Abstract
No abstract record available.
Inventors
- 👤 Bertrand J Mayland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:31
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/02; C10J3/06; C10J3/12; C10J3/46; C10J3/48; C10J3/482; C10J3/72; C10J3/82; C10J3/84; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0953; C10J2300/0956; C10J2300/0959; C10J2300/0973; C10J2300/0976; C10J2300/0983; C10J2300/0993; C10J2300/16; C10J2300/1603; C10J2300/1606; C10J2300/18; C10J2300/1807; C10J2300/1861; C10J2300/1884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN IMPROVED METHOD FOR GASIFYING ORGANIC MATERIAL WHICH COMPRISES THE STEPS OF HEATING SOLID HEAT EXCHANGE MATERIAL IN A HEATING ZONE; GRAVITATING SAID HEATED SOLID HEAT EXCHANGE MATERIAL INTO A COKING ZONE; CONTINUOUSLY TUMBLING SAID HEATED SOLID HEAT EXCHANGE MATERIAL IN SAID COKING ZONE WHILE ADDING ORGANIC MATERIAL THERETO; DECOMPOSING SAID ORGANIC MATERIAL TO COKE ON THE SURFACE OF SAID SOLID HEAT EXCHANGE MATERIAL; GRAVITATING SAID COKE-COVERED SOLID HEAT EXCHANGE MATERIAL INTO A GASIFICATION ZONE; PASSING STEAM AND OXYGEN INTO CONTACT WITH SAID COKE-COVERED SOLID HEAT EXCHANGE MATERIAL AND GASIFYING ZONE; COKED ORGANIC MATERIAL; RECOVERING RESULTING GASEOUS MATERIALS FROM SAID GASIFICATION ZONE; REMOVING SAID SOLID HEAT EXCHANGE MATERIAL FROM SAID GASIFICATION ZONE; AND RETURNING SAID SOLID HEAT EXCHANGE MATERIAL TO SAID HEATING ZONE.
Claim 2
Dependent Claim
123 words
AN IMPROVED METHOD FOR GASIFYING ORGANIC MATERIAL WHICH COMPRISES THE STEPS OF HEATING SOLID HEAT EXCHANGE MATERIAL IN A HEATING ZONE; GRAVITATING SAID HEATED SOLID HEAT EXCHANGE MATERIAL INTO A COKING ZONE; CONTINUOUSLY TUMBLING SAID HEATED SOLID HEAT EXCHANGE MATERIAL IN SAID COKING ZONE WHILE ADDING ORGANIC MATERIAL THERETO; DECOMPOSING SAID ORGANIC MATERIAL TO COKE ON THE SURFACE OF SAID SOLID HEAT EXCHANGE MATERIAL; GRAVITATING SAID COKE-COVERED SOLID HEAT EXCHANGE MATERIAL INTO A GASIFICATION ZONE; PASSING STEAM AND OXYGEN INTO CONTACT WITH SAID COKE-COVERED SOLID HEAT EXCHANGE MATERIAL AND GASIFYING ZONE; COKED ORGANIC MATERIAL; RECOVERING RESULTING GASEOUS MATERIALS FROM SAID GASIFICATION ZONE; REMOVING SAID SOLID HEAT EXCHANGE MATERIAL FROM SAID GASIFICATION ZONE; AND RETURNING SAID SOLID HEAT EXCHANGE MATERIAL TO SAID HEATING ZONE.
References Cited (Backward Citations)
US1654942A
Cited
GB189542A
Cited
US1784985A
Cited
US1977684A
Cited
US2441386A
Cited
US2519340A
Cited
US2579398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |