Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5865948 | Method for steaming comminuted cellulosic fibrous material during continuous solvent pulping | John Patrick Maley, Brian F. Greenwood, Joseph R. Phillips, David J. Lebel | 1999-02-02 |
| 5788812 | Method of recovering furfural from organic pulping liquor | Richard C. Agar, Malcolm Cronlund, Chih Fae Wu, Gopal Goyal, Stephen R. Winner +3 more | 1998-08-04 |
| 5681427 | Apparatus for treating pulp produced by solvent pulping | John Patrick Maley, Brian F. Greenwood, Joseph R. Phillips, David J. Lebel | 1997-10-28 |
| 5196460 | Rubber compositions containing high purity lignin derivatives | Michael Trojan, William H. Klingensmith | 1993-03-23 |
| 4764596 | Recovery of lignin | Raphael Katzen, Malcolm Cronlund, Chih Fae Wu | 1988-08-16 |