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Patent applications and USPTO patent grants for Zimpro Passavant Environmental Systems, Inc..The latest application filed is for "two-stage subcritical-supercritical wet oxidation".
Patent | Date |
---|---|
Two-stage subcritical-supercritical wet oxidation Grant 5,240,619 - Copa , et al. August 31, 1 | 1993-08-31 |
Multiple zone batch treatment process Grant 5,192,442 - Piccirillo , et al. March 9, 1 | 1993-03-09 |
Process for treatment of wastewater containing inorganic ammonium salts Grant 5,183,577 - Lehmann February 2, 1 | 1993-02-02 |
Automatically controlled splash plate Grant 5,084,163 - Baumann , et al. January 28, 1 | 1992-01-28 |
Method for color removal from thermally conditioned sludge liquors Grant 5,075,015 - Kamke December 24, 1 | 1991-12-24 |
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