Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250297 | Transparent copolyamide from isophthalic acid reactant | Bert Brassat, Hugo Vernaleken | 1981-02-10 |
| 4219636 | Preparation polyamides of isophthalic acid and hexamethylene diamine with formic acid | Dieter Neuray, Bert Brassat | 1980-08-26 |