Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636893 | Process for producing chlorine with low bromine content | Yuri Alexeevich Omelchenko, Tomasz Jerzy Dluzniewski | 2014-01-28 |
| 6740223 | Electrolytic process for the production of chlorine dioxide | Ronald K. Schaible, Yuri Alexeevich Omelchenko, George Joseph Ranger | 2004-05-25 |
| 6555085 | Method of improving yield of chlorine dioxide generation processes | Edward J. Bechberger, Mario Costa | 2003-04-29 |
| 6203688 | Electrolytic process for producing chlorine dioxide | Gerald Cowley, Jerry J. Kaczur | 2001-03-20 |
| 5965004 | Chlorine dioxide generation for water treatment | Gerald Cowley, George Joseph Ranger, Ron K. Schaible, Ty V. Tran, Darren F. Lawless | 1999-10-12 |
| 5948236 | Determination of chlorate ion concentration using microelectrodes | — | 1999-09-07 |
| 5932085 | Chlorine dioxide generation for water treatment | Gerald Cowley, George Joseph Ranger | 1999-08-03 |
| 5851374 | Process for production of chlorine dioxide | Gerald Cowley | 1998-12-22 |
| 5676920 | Chlorine dioxide generating process | — | 1997-10-14 |
| 5480516 | Electrolytic production of acid | Gerald Cowley, Dana Gourley | 1996-01-02 |
| 5284553 | Chlorine dioxide generation from chloric acid | Maurice C. J. Fredette, Zbigniew Twardowski, Edward J. Bechberger | 1994-02-08 |
| 5256261 | Membrane cell operation | John Rizzi | 1993-10-26 |
| 5198080 | Electrochemical processing of aqueous solutions | Gerald Cowley, Zbigniew Twardowski, Richard Swindells, Edward J. Bechberger | 1993-03-30 |
| 5174868 | Chlorine dioxide generation from chloric acid | Maurice C. J. Fredette, Zbigniew Twardowski | 1992-12-29 |
| 5122240 | Electrochemical processing of aqueous solutions | Gerald Cowley, Zbigniew Twardowski | 1992-06-16 |
| 4915927 | Production of chloric acid | Zbigniew Twardowski, Gerald Cowley | 1990-04-10 |
| 4853096 | Production of chlorine dioxide in an electrolytic cell | James D. McGilvery, Zbigniew Twardowski | 1989-08-01 |
| 4834848 | Electrical removal of chromium from chlorate solutions | — | 1989-05-30 |
| 4802959 | Electrosynthesis of persulfate | — | 1989-02-07 |
| 4773975 | Electrochemical removal of hypochlorites from chlorate cell liquors | — | 1988-09-27 |
| 4767510 | Electrolytic protection of chlorine dioxide | — | 1988-08-30 |
| 4731169 | Selective removal of chlorine from solutions of chlorine dioxide and chlorine | — | 1988-03-15 |
| 4704259 | Removal of chromium from cell liquor | — | 1987-11-03 |
| 4699701 | Electrochemical removal of chromium from chlorate solutions | — | 1987-10-13 |