Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5441603 | Method for chelation of pulp prior to ozone delignification | Bruce F. Griggs, Thomas P. Gandek, Michael A. Pikulin | 1995-08-15 |
| 5409570 | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone | Bruce F. Griggs, Thomas P. Gandek, Michael A. Pikulin, Stuart T. Terrett, Spencer W. Eachus +3 more | 1995-04-25 |
| D346656 | Saline inflatable nipple areolar prosthesis | — | 1994-05-03 |
| 5296099 | Environmentally improved process for bleaching lignocellulosic materials with oxygen, ozone and chlorine dioxide | Bruce F. Griggs, Thomas P. Gandek, Michael A. Pikulin | 1994-03-22 |
| 5211811 | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification | Bruce F. Griggs, Thomas P. Gandek, Michael A. Pikulin | 1993-05-18 |
| 5188708 | Process for high consistency oxygen delignification followed by ozone relignification | Bruce F. Griggs, Thomas P. Gandek, Michael A. Pikulin | 1993-02-23 |
| 5164043 | Environmentally improved process for bleaching lignocellulosic materials with ozone | Bruce F. Griggs, Thomas P. Gandek, Michael A. Pikulin | 1992-11-17 |
| 5164044 | Environmentally improved process for bleaching lignocellulosic materials with ozone | Bruce F. Griggs, Thomas P. Gandek, Michael A. Pikulin | 1992-11-17 |
| 4836892 | Pulp blends for linerboards | Anne M. Edwards | 1989-06-06 |