Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5521261 | Epoxy resin mixtures containing advancement catalysts | Hildegard Schneider, Nikolaus Siegenthaler | 1996-05-28 |
| 5019639 | Novel epoxy resins | Alex Wegmann | 1991-05-28 |
| 5006626 | Epoxy resin compositions | Hans Gempeler | 1991-04-09 |
| 4973648 | Epoxy resin compositions | Hans Gempeler | 1990-11-27 |
| 4885354 | Epoxy resin compositions | Hans Gempeler | 1989-12-05 |
| 4431213 | Pressure-sensitive recording material | Rene Graf, James H. Astbury | 1984-02-14 |