Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10427212 | Compositions and methods for modified ester-curatives and reduction of formaldehyde emission and odor in ester-cured phenolic binder systems | — | 2019-10-01 |
| 5354788 | Dialdehyde modified phenolic foundry sand core binder resins, processes for making same, and process for preparing foundry cores and molds employing same | Calvin K. Johnson, David R. Armbruster | 1994-10-11 |
| 5036116 | Ester hardeners for phenolic resin binder systems | S. Raja Iyer | 1991-07-30 |
| 4988745 | Ester hardeners for phenolic resin binder systems | S. Raja Iyer | 1991-01-29 |