Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706143 | Minimizing chlorinated organics in pulp bleaching processes | — | 2004-03-16 |
| 6231718 | Two phase ozone and oxygen pulp treatment | — | 2001-05-15 |
| 6153051 | Method of bleaching kraft pulp employing chlorine dioxide/chlorine-ozone bleach sequence | — | 2000-11-28 |
| 5876561 | Post digestion treatment of cellulosic pulp to minimize formation of dioxin | — | 1999-03-02 |
| 5792316 | Bleaching process for kraft pulp employing high consistency chlorinated pulp treated with gaseous chlorine and ozone | — | 1998-08-11 |
| 5389201 | Bleaching of kraft cellulosic pulp employing ozone and reduced consumption of chlorine containing bleaching agent | — | 1995-02-14 |
| 5217573 | Removal of laser printer and xerographic ink from recycle paper | Long Shyong Wang | 1993-06-08 |
| 4959124 | Method of bleaching kraft pulp in a DZED sequence | — | 1990-09-25 |