Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855346 | Rubber stabilizers derived from N-phenyl-p-phenylenediamine | Peter Hope, Ashutosh Sharma | 1989-08-08 |
| 4488985 | Phosphoramidates containing a p-phenylenediamine group | Peter Hope | 1984-12-18 |
| 4418022 | Phosphoramidates containing a p-phenylenediamine group | Peter Hope | 1983-11-29 |
| 4242523 | Process for the preparation of para-nitroso-diphenyl-hydroxylamines | Manfred Bergfeld, Peter Hope | 1980-12-30 |