Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4193901 | Process for the sulfonation of an elastomeric polymer | Robert D. Lundberg, Jan Bock | 1980-03-18 |
| 4184988 | Process for the sulfonation of an elastomeric polymer | Robert D. Lundberg, Jan Bock | 1980-01-22 |
| 4183406 | Method of treating a borehole using gellable polymers | Robert D. Lundberg, Dennis E. O'Brien, Robert R. Klein | 1980-01-15 |