US3698881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis gas production
Assignee: Chevron USA Inc
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Filing: 1970-08-05
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Granted: 1972-10-17
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Expires: 1990-08-05
Abstract
Abstract A PROCESS FOR PRODUCING SYNTHESIS GAS WHICH COMPRISES SEPARATING SOLID MATERIAL AND AN AQUEOUS STREAM CONTAINING INORGANIC NUTRIENTS FROM SEQAGE, USING THE AQUEOUS STREAM AS A SOURCE OF NURIENTS TO AID IN GROWING PLANTS, AND REACTING AT LEAST A PORTION OF THE PLANTS AND AT LEAST A PORTION OF THE SOLID MATERIAL SEPARATED FROM THE SEWAGE WITH STEAM IN A REACTION ZONE TO PRODUCE SYNTHESIS GAS. ACCORDING TO A PREFERRED EMBODIMENT, A PORTION OF THE PLANTS WHICH ARE GROWN ARE FED TO ANIMALS AND SOLID WASTES FROM THE ANIMALS ARE USED AS FEED FOR SYNTHESIS GAS PRODUCTION.
Inventors
- 👤 Robert J White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:42
CPC Classifications
C; C10; C10J; C10J3/00; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/32; C01B3/34; C01B3/38; C01B3/40; C02; C02F; C02F11/00; C02F11/10; C02F9/00; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C02F3/00; C02F3/32; C02F3/327; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/0916; C10J2300/0923; C10J2300/0946; C10J2300/0953; C10J2300/0973; C10J2300/16; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y02W10/30; Y02W10/37; Y02W10/40
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |