US3759677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic synthesis gas manufacture
Assignee: Chevron USA Inc
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Filing: 1970-05-05
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Granted: 1973-09-18
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Expires: 1990-05-05
Abstract
Abstract A PROCESS FOR PRODUCING SYNTHESIS GAS WHICH COMPRISES CONTACTING AN ORGANIC FEED MATERIAL, CONTAINING HYDROGEN AND AT LEAST 10 WEIGHT PERCENT OXYGEN AND CONTAINING LESS THAN FIVE WEIGHT PERCENT SULFUR, WITH STEAM IN THE PRESENCE OF AN ALKALI MEATAL CARBONATE CATALYST AT AN ELEVATED TEMPERATURE. PREFERABLY THE FEED MATERIAL TO SOLID WASTE MATERIAL, MOST PREFERABLY SOLID MUNICIPAL WASTE.
Inventors
- 👤 R White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:25
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/482; C10K; C10K1/00; C10K1/002; C10K1/003; C10K1/004; C10K1/005; C10K1/08; C10K1/10; C10K1/12; C10K1/14; C10K1/143; C10K3/00; C10K3/02; C10K3/04; C01; C01B; C01B2203/00; C01B2203/02; C01B2203/0283; C01B2203/04; C01B2203/0415; C01B2203/0465; C01B2203/0475; C01B2203/0485; C01B2203/80; C01B2203/84; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/0946; C10J2300/0953; C10J2300/0959; C10J2300/0973; C10J2300/0983; C10J2300/0986; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S423/00; Y10S423/18
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |