Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495344 | Copolyamide from cycloaliphatic substituted nonane diamine | Charles A. Drake | 1985-01-22 |
| 4465822 | Polyamide from aralkylene diamine, dicarboxylic acid and tricarboxylic acid | Charles A. Drake | 1984-08-14 |
| 4465824 | Polyamide resin from aralkylene diamine | Charles A. Drake | 1984-08-14 |
| 4408037 | Polyamide from cycloaliphatic substituted nonane diamine | Charles A. Drake | 1983-10-04 |
| 4324738 | Dinitriles and their preparation | Charles A. Drake | 1982-04-13 |
| 4288625 | Dinitriles, diamines, and polyamides | Charles A. Drake | 1981-09-08 |