Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7294684 | Dimeric and polymeric alkylphenol polysulfides | Donald Stevenson, Duong Nguyen | 2007-11-13 |
| 7176252 | Solid melt blended phosphite composites | Donald Stevenson, Carroll W. Larke | 2007-02-13 |
| 6770693 | Blends of phosphites and antioxidants | Daryl L. Stein, Don Stevenson, Marc Nolen | 2004-08-03 |