US4552667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Destruction of organic hazardous wastes
Assignee: Detox International Corp
•
Filing: 1984-06-25
•
Granted: 1985-11-12
•
Expires: 2004-06-25
Abstract
Abstract Hazardous waste containing organic compound having covalently bound oxygen, nitrogen, sulfur and/or phosphorus is reduced with aluminum to less hazardous form.
Inventors
- 👤 Clifford G. Shultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:24
CPC Classifications
A; A62; A62D; A62D3/00; A62D3/30; A62D3/32; B; B09; B09B; B09B3/00; B09B3/70; A62D2101/00; A62D2101/04; A62D2101/20; A62D2101/22; A62D2101/26; A62D2101/28; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/908; Y10S210/909; Y10S423/00; Y10S423/09; Y10S423/12
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
74 words
A process for treating hazardous wastes which contain hazardous organic compound containing covalently bound element selected from the group consisting of oxygen, nitrogen, sulfur and phosphorus, said process comprising the steps of introducing such compound below the surface of a bath comprising molten aluminum and reacting covalently bound oxygen, nitrogen, sulfur and phosphorus in said compound with molten aluminum in said bath to reduce such compound thereby destroying it and forming less hazardous product.
Claim 2
Dependent Claim
74 words
A process for treating hazardous wastes which contain hazardous organic compound containing covalently bound element selected from the group consisting of oxygen, nitrogen, sulfur and phosphorus, said process comprising the steps of introducing such compound below the surface of a bath comprising molten aluminum and reacting covalently bound oxygen, nitrogen, sulfur and phosphorus in said compound with molten aluminum in said bath to reduce such compound thereby destroying it and forming less hazardous product.
Claim 3
Dependent Claim
33 words
A process as recited in claim 1, in which the hazardous organic compound contains covalently bound oxygen and is selected from the group consisting of alcohols, aldehydes, ketones, carboxylic acids, esters, and ethers.
Claim 4
Dependent Claim
28 words
A process as recited in claim 1, in which the hazardous organic compound contains covalently bound nitrogen and is selected from the group consisting of nitriles and amines.
Claim 5
Dependent Claim
31 words
A process as recited in claim 1, in which the hazardous organic compound contains covalently bound sulfur and is selected from the group consisting of sulfides, thiols, thioketones, thiocarbonyls and mercaptans.
Claim 6
Dependent Claim
21 words
A process as recited in claim 1, in which the hazardous organic compound contains covalently bound phosphorus and is a phosphine.
Claim 7
Dependent Claim
41 words
A process as recited in claim 1, in which the hazardous organic compound contains both covalently bound oxygen and covalently bound nitrogen and is selected from the group consisting of nitro compounds, nitroso compounds, amides, oximes, amino alcohols and amino acids.
Claim 8
Dependent Claim
36 words
A process as recited in claim 1, in which the hazardous organic compound contains both covalently bound sulfur and covalently bound oxygen and is selected from the group consisting of sulfonic acids, sulfonates, thiols and sulfones.
Claim 9
Dependent Claim
33 words
A process as recited in claim 1, in which the hazardous organic compound contains both covalently bound oxygen and covalently bound phosphorus and is selected from the group consisting of phosphates and phosphonates.
Claim 10
Dependent Claim
33 words
A process as recited in claim 1, in which the hazardous organic compound contains covalently bound sulfur and covalently bound nitrogen and is selected from the group consisting of thioamides and amino thiols.
Claim 11
Dependent Claim
16 words
A process as recited in claim 1, in which the hazardous organic compound additionally contains halogen.
Claim 12
Dependent Claim
20 words
A process as recited in claim 1 in which the hazardous organic compound contains covalently bound oxygen, nitrogen and sulfur.
Claim 13
Dependent Claim
20 words
A process as recited in claim 1 in which the hazardous organic compound contains covalently bound oxygen, sulfur and phosphorus.
Claim 14
Dependent Claim
20 words
A process as recited in claim 1 in which the hazardous organic compound contains covalently bound nitrogen, phosphorus and oxygen.
Claim 15
Dependent Claim
21 words
A process as recited in claim 1 in which the hazardous organic compound contains covalently bound oxygen, nitrogen, phosphorous and sulfur.
References Cited (Backward Citations)
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Cited
US3642583A
Cited
JPS5257149A
Cited
US4246255A
Cited
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Cited
US4469661A
Cited
US4447262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-11-11 | 1989-05-13 | 1989-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-11 | 1993-05-13 | 1993-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-11 | 1997-05-13 | 1997-11-12 | $7700.00 | Window Closed / Lapsed |