Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718981 | Bleached kraft paperboard by densification and heat treatment | Roy S. Swenson, Michael Ring | 1988-01-12 |
| 4718982 | Densification and heat treatment of paperboard produced from SCMP and other sulfite pulps | Roy S. Swenson, F. Keith Hall, Michael Ring | 1988-01-12 |
| 4692212 | Kraft linerboard by densification and heat treatment | Roy S. Swenson, Michael Ring, Jasper H. Field | 1987-09-08 |
| 4385172 | Prevention of hornification of dissolving pulp | V. M. Yasnovsky | 1983-05-24 |
| 4336370 | Process for activating cellulose pulp to improve ease of esterification | V. M. Yasnovsky | 1982-06-22 |