Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866112 | Thermoplastics containing a nickel complex pigment | Edward E. Jaffe | 1989-09-12 |
| 4847365 | Metal complexes of substituted 4-(2-carboxy-phenylazo-5-pyrazolones | — | 1989-07-11 |