Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7135557 | Hypochlorite free method for preparation of stable carboxylated carbohydrate products | S. Ananda Weerawarna, Richard A. Jewell | 2006-11-14 |
| 7109325 | Hypochlorite free method for preparation of stable carboxylated carbohydrate products | S. Ananda Weerawarna, Richard A. Jewell | 2006-09-19 |
| 7001483 | Apparatus for making carboxylated pulp fibers | David E. Severeid, Richard A. Jewell, S. Ananda Weerawarna, Bing Su | 2006-02-21 |
| 6919447 | Hypochlorite free method for preparation of stable carboxylated carbohydrate products | S. Ananda Weerawarna, Richard A. Jewell | 2005-07-19 |
| 6524348 | Method of making carboxylated cellulose fibers and products of the method | Richard A. Jewell, Bing Su, S. Ananda Weerawarna, Yong Li | 2003-02-25 |
| 6379494 | Method of making carboxylated cellulose fibers and products of the method | Richard A. Jewell, Yong Li, Bing Su | 2002-04-30 |
| 5066436 | Process for microencapsulation | Jan Willem Groenendaal | 1991-11-19 |