Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859778 | Process for the preparation of 2,2'-dithiobis (benzothiazole) | Edward L. Graeber | 1989-08-22 |
| 4804485 | Polyalkyleneoxyamine catalysts for dialkyl disulfides and/or polysulfides used in dissolving sulfur | Glenn T. Carroll, William J. Tuszynski | 1989-02-14 |