Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693184 | Reduction of salt scale precipitation by control of process stream pH and salt concentration | James Joseph, Michael A. Pikulin, George Pangalos, Philip E. Bowden | 1997-12-02 |
| 5554259 | Reduction of salt scale precipitation by control of process stream Ph and salt concentration | James Joseph, Michael A. Pikulin, George Pangalos, Philip E. Bowden | 1996-09-10 |
| 5520783 | Apparatus for bleaching high consistency pulp with ozone | David E. White, Michael A. Pikulin, William H. Friend, Stuart Terry Jones | 1996-05-28 |
| 5472572 | Reactor for bleaching high consistency pulp with ozone | David E. White, Michael A. Pikulin, William H. Friend | 1995-12-05 |
| 5441603 | Method for chelation of pulp prior to ozone delignification | Bruce F. Griggs, Michael A. Pikulin, Allen Rosen | 1995-08-15 |
| 5409570 | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone | Bruce F. Griggs, Michael A. Pikulin, Allen Rosen, Stuart T. Terrett, Spencer W. Eachus +3 more | 1995-04-25 |
| 5296099 | Environmentally improved process for bleaching lignocellulosic materials with oxygen, ozone and chlorine dioxide | Bruce F. Griggs, Michael A. Pikulin, Allen Rosen | 1994-03-22 |
| 5211811 | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification | Bruce F. Griggs, Michael A. Pikulin, Allen Rosen | 1993-05-18 |
| 5188708 | Process for high consistency oxygen delignification followed by ozone relignification | Bruce F. Griggs, Michael A. Pikulin, Allen Rosen | 1993-02-23 |
| 5181989 | Reactor for bleaching high consistency pulp with ozone | David E. White, Michael A. Pikulin, William H. Friend | 1993-01-26 |
| 5174861 | Method of bleaching high consistency pulp with ozone | David E. White, Michael A. Pikulin, William H. Friend | 1992-12-29 |
| 5164043 | Environmentally improved process for bleaching lignocellulosic materials with ozone | Bruce F. Griggs, Michael A. Pikulin, Allen Rosen | 1992-11-17 |
| 5164044 | Environmentally improved process for bleaching lignocellulosic materials with ozone | Bruce F. Griggs, Michael A. Pikulin, Allen Rosen | 1992-11-17 |