Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599518 | Catalytic process for chlorine dioxide generation from chloric acid | Jerry J. Kaczur, David W. Cawlfield, Sudhir K. Mendiratta | 1997-02-04 |
| 5391268 | Electrochemical process for the removal of residual nitric acid from aqueous hydroxylammonium nitrate | Jerry J. Kaczur, David W. Cawlfield, Elizabeth K. Muse | 1995-02-21 |
| 5376240 | Process for the removal of oxynitrogen species for aqueous solutions | Jerry J. Kaczur, David W. Cawlfield | 1994-12-27 |
| 5354435 | Effluent treatment in a process for producing chlorine dioxide from chloric acid | Jerry J. Kaczur, David W. Cawlfield, Budd L. Duncan, Sudhir K. Mendiratta | 1994-10-11 |
| 5348683 | Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation | Jerry J. Kaczur, David W. Cawlfield, Budd L. Duncan | 1994-09-20 |
| 5296108 | Electrochemical process for generating chlorine dioxide using chloric acid-alkali metal chlorate mixtures | Jerry J. Kaczur, David W. Cawlfield, Budd L. Duncan | 1994-03-22 |
| 5258105 | Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation | Jerry J. Kaczur, David W. Cawlfield, Budd L. Duncan | 1993-11-02 |
| 5242553 | Chloric acid-alkali metal chlorate mixtures for chlorine dioxide generation | Jerry J. Kaczur, David W. Cawlfield, Budd L. Duncan | 1993-09-07 |
| 5223103 | Electrochemical process for producing chloric acid-alkali metal chlorate mixtures | Jerry J. Kazcur, David W. Cawlfield, Budd L. Duncan | 1993-06-29 |
| 5186804 | Liquid metal cathode electrochemical cell | James M. Ford, David W. Cawlfield | 1993-02-16 |
| 5185069 | Liquid metal cathode electrochemical cell and cathode frame | James M. Ford, David W. Cawlfield | 1993-02-09 |
| 5167777 | Process and apparatus for the removal of oxyhalide species from aqueous solutions | Jerry J. Kaczur, David W. Cawlfield | 1992-12-01 |
| 5160416 | Process for the production of perchloric acid | David W. Cawlfield, Ronald L. Dotson, Budd L. Duncan, Sudhir K. Mendiratta | 1992-11-03 |
| 5108560 | Electrochemical process for production of chloric acid from hypochlorous acid | David W. Cawlfield, Ronald L. Dotson, Sudhir K. Mendiratta, Budd L. Duncan | 1992-04-28 |
| 5089095 | Electrochemical process for producing chlorine dioxide from chloric acid | David W. Cawlfield, Jerry J. Kaczur, Budd L. Duncan, Sudhir K. Mendiratta, Ronald L. Dotson | 1992-02-18 |
| 5084148 | Electrochemical process for producing chloric acid - alkali metal chlorate mixtures | Jerry J. Kazcur, David W. Cawlfield, Budd L. Duncan | 1992-01-28 |
| 4923583 | Electrode elements for filter press membrane electrolytic cells | Julius C. Fister, David L. Fair, Robert A. Dean | 1990-05-08 |
| 4919791 | Controlled operation of high current density oxygen consuming cathode cells to prevent hydrogen formation | Ronald C. Miles, David D. Justice | 1990-04-24 |
| 4892636 | Modular electrolytic cell and processing apparatus | Roger E. Bolick, II, David W. Cawlfield | 1990-01-09 |
| 4743350 | Electrolytic cell | David W. Cawlfield, James M. Ford | 1988-05-10 |
| 4695359 | Filter press membrane electrolytic cell with diffusion bonded electrode elements and elastomeric frames | Robert A. Dean, David L. Fair, Julius C. Fister | 1987-09-22 |
| 4687558 | High current density cell | David D. Justice | 1987-08-18 |
| 4588483 | High current density cell | David D. Justice, Garland E. Hilliard | 1986-05-13 |
| RE32078 | Electrodes for electrolytic cells | Ronald L. Dotson | 1986-02-04 |
| 4534846 | Electrodes for electrolytic cells | Ronald L. Dotson | 1985-08-13 |