Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8382991 | Method of sorbing discolored organic compounds from water | — | 2013-02-26 |
| 8377310 | Method and composition for sorbing toxic substances | — | 2013-02-19 |
| 8236185 | Methods for using sulfidized red mud | — | 2012-08-07 |
| 8231711 | Sorption processes | — | 2012-07-31 |
| 8080172 | Method and composition for controlled heat release and disposable chemical heater utilizing same | — | 2011-12-20 |
| 7807058 | Method and composition for sorbing toxic substances | — | 2010-10-05 |
| 7763566 | Method and composition for sorbing toxic substances | — | 2010-07-27 |
| 7686401 | Method for sub-glacial mineral reconnaissance and recovery | — | 2010-03-30 |
| 7601319 | Process for the manufacture of monobasic potassium phosphate | Joseph Pechtin | 2009-10-13 |
| 6224777 | Continuous filament matrix for magnetic separator | — | 2001-05-01 |
| 6180005 | Continuous filament matrix for magnetic separator | — | 2001-01-30 |
| 5397754 | Method of brightening kaolin clay by thermal oxidative decarboxylation of organic contaminants | John T. Williamson | 1995-03-14 |
| 5376605 | Process for beneficiating Minnesota kaolin | Joseph Pechin | 1994-12-27 |
| 5128027 | Method for removing mineral slimes from kaolin clay | Naguib Halaka | 1992-07-07 |
| 5112796 | Manganese dioxide impregnated filter | — | 1992-05-12 |
| 4923688 | Wet scrubber process for removing total reduced sulfur compounds from industrial gases | — | 1990-05-08 |
| 4713225 | Method for removing organic reduced sulfur compounds | — | 1987-12-15 |
| 4552734 | Fluidization process for removing total reduced sulfur compounds from industrial gases | Leif D. Caspersen, Jan Hansen, Sven Pedersen | 1985-11-12 |
| 4552735 | Process for removing total reduced sulfur compounds from industrial gases using manganese dioxide | Leif D. Caspersen, Jan Hansen, Jens C. T. Moller | 1985-11-12 |
| 4424124 | Method and magnetic separator for removing weakly magnetic particles from slurries of minute mineral particles | — | 1984-01-03 |
| RE30699 | Polyurethanes containing amino organosilane modified clay | — | 1981-08-04 |
| RE30450 | Surface modified pigments | — | 1980-12-16 |