US3776856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the wet chemical combustion of organic material
Assignee: Alkem GmbH
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Filing: 1970-11-23
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Granted: 1973-12-04
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Expires: 1990-11-23
Abstract
Abstract THE WET CHEMICAL COMBUSTION OF ORGANIC MATERIALS, E.G. ANIMAL CADAVERS, CELLULOSE, CELLULOSE CONTAINING MATERIALS AND OTHER ORGANIC WASTE WITH SUBSEQUENT SEPARATION AND RECOVERY OF HEAVY METALS, ESPECIALLY PLUTONIUM AND URANIUM, CONTAINED THEREIN BY CARBONIZING THE ORGANIC MATERIAL WITH HIGHLY CONCENTRATED MINERAL ACIDS AT ELEVATED TEMPERATURE AND COMBUSTING THE COLLODIAL CARBON OBTAINED WITH ACTIVE OXYGEN TO FORM CARBON DIOXIDE.
Inventors
- 👤 K Scheffler
- 👤 H Muller
- 👤 A Cappel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:08
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/722; C02F11/00; C02F11/06; C02F11/08; G; G21; G21F; G21F9/00; G21F9/28; G21F9/30; G21F9/32
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |