Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334739 | "Process an alpha monoclinic crystalline modification of 2,2',2""-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl- 2,2'-diyl)phosphite]" | Stephen D. Pastor, Sai P. Shum | 1994-08-02 |
| 5331031 | "Gamma crystalline modification of 2,2', 2""-nitrilo[triethyl-tris(3,3',5,5'-t'-biphenyl-2,2'-diyl) phosphite]" | Stephen D. Pastor, Sai P. Shum | 1994-07-19 |