Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427578 | Amorphous silica-based catalyst and process for its production | Joseph G. Robinson, David I. Barnes | 1984-01-24 |
| 4379896 | Keto/polycarboxy containing resin | Joseph G. Robinson, David I. Barnes | 1983-04-12 |
| 4352922 | Method of producing an improved poly-(amide-imide) resin by reacting a phenanthrene with formaldehyde followed by oxidizing to produce a polycarboxylated product followed by reaction with an aromatic diamine | Joseph G. Robinson, David I. Barnes | 1982-10-05 |
| 4346212 | Phenanthrene/HCHO derived polyamide-imide | Joseph G. Robinson, David I. Barnes | 1982-08-24 |