Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533835 | Supplemental filter for an electronic component | Mark Wilson | 2003-03-18 |
| 5525195 | Process for high consistency delignification using a low consistency alkali pretreatment | William H. Friend, Stuart T. Terrett, Spencer W. Eachus | 1996-06-11 |
| 5441603 | Method for chelation of pulp prior to ozone delignification | Thomas P. Gandek, 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 | Thomas P. Gandek, 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 | Thomas P. Gandek, Michael A. Pikulin, Allen Rosen | 1994-03-22 |
| 5217574 | Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp | — | 1993-06-08 |
| 5211811 | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification | Thomas P. Gandek, Michael A. Pikulin, Allen Rosen | 1993-05-18 |
| 5188708 | Process for high consistency oxygen delignification followed by ozone relignification | Thomas P. Gandek, Michael A. Pikulin, Allen Rosen | 1993-02-23 |
| 5173153 | Process for enhanced oxygen delignification using high consistency and a split alkali addition | Stuart T. Terrett, Spencer W. Eachus | 1992-12-22 |
| 5164043 | Environmentally improved process for bleaching lignocellulosic materials with ozone | Thomas P. Gandek, Michael A. Pikulin, Allen Rosen | 1992-11-17 |
| 5164044 | Environmentally improved process for bleaching lignocellulosic materials with ozone | Thomas P. Gandek, Michael A. Pikulin, Allen Rosen | 1992-11-17 |
| 5085734 | Methods of high consistency oxygen delignification using a low consistency alkali pretreatment | — | 1992-02-04 |