US4792407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of organic compounds in water
Assignee: US Filter Zimpro Inc
•
Filing: 1988-02-18
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Granted: 1988-12-20
•
Expires: 2008-02-18
Abstract
Abstract A method of oxidizing organic compounds in aqueous solutions by using in combination ozone, hydrogen peroxide and ultraviolet radiation is provided.
Inventors
- 👤 Jack D. Zeff
- 👤 Eriks Leitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:37
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/78; C02F1/30; C02F1/32; C02F1/722; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/908; Y10S210/909
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
38 words
A method of oxidizing halogenated and/or partially oxygenated hydrocarbon constituents in aqueous solution comprising simultaneously exposing said aqueous solution to an amount of ozone, hydrogen peroxide and ultraviolet radiation sufficient to substantially reduce said constituents in the solution.
Claim 2
Independent Claim
38 words
A method of oxidizing halogenated and/or partially oxygenated hydrocarbon constituents in aqueous solution comprising simultaneously exposing said aqueous solution to an amount of ozone, hydrogen peroxide and ultraviolet radiation sufficient to substantially reduce said constituents in the solution.
Claim 3
Dependent Claim
12 words
The method of claim 1 wherein said aqueous solution is ground water.
Claim 4
Dependent Claim
13 words
The method of claim 1 wherein said aqueous solution is industrial waste water.
Claim 5
Dependent Claim
12 words
The method of claim 1 wherein said aqueous solution is drinking water.
Claim 6
Dependent Claim
12 words
The method of claim 1 wherein said organic constituents are methylene chloride.
Claim 7
Dependent Claim
27 words
The method of claim 1 wherein said method further comprises elevating the temperature of said aqueous solution during exposure to said ozone, hydrogen peroxide and ultraviolet light.
Claim 8
Dependent Claim
11 words
The method of claim 1 wherein said organic constituents are methanol.
References Cited (Backward Citations)
US3920547A
Cited
JPS5131052A
Cited
SU710981A1
Cited
JPS5327264A
Cited
US4141830A
Cited
US4332687A
Cited
US4230571A
Cited
SU880994A1
Cited
JPS5852598A
Cited
JPS5855088A
Cited
US4599179A
Cited
US4512900A
Cited
JPS6041999A
Cited
US4642134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-12-20 | 1992-06-20 | 1992-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-12-20 | 1996-06-20 | 1996-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-12-20 | 2000-06-20 | 2000-12-20 | $7700.00 | Window Closed / Lapsed |