Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8133941 | Aqueous epoxy resin compositions | Alwin Krotzek | 2012-03-13 |
| 7683154 | Epoxy resin curing agent of polyethylene polyamine-monoglycidyl ether adduct and amine compound | — | 2010-03-23 |