Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801757 | Noncrystalline tris(4-hydroxy-2-methyl-5-tert. butylphenyl) butane | John F. Stephen | 1989-01-31 |
| 4645853 | Hindered phenolic oxamide compounds and stabilized compositions | John F. Stephen, Makram H. Meshreki | 1987-02-24 |
| 4613638 | Hindered phenolic compounds derived from hexides and stabilized compositions | John F. Stephen, Makram H. Meshreki | 1986-09-23 |
| 4600740 | Hindered dydroxybenzyl hexaalkyldiphenyl-methanes and stabilized compositions | John F. Stephen, Makram H. Meshreki | 1986-07-15 |
| 4598113 | Hindered hydroxyphenylalkanoates of ethoxylated bisphenol A and stabilized compositions | John F. Stephen, Makram H. Meshreki | 1986-07-01 |
| 4593057 | Hindered phenolic compounds derived from hexitans and stabilized compositions | John F. Stephen | 1986-06-03 |