Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6169064 | Amine ether acid salt surfactant composition | James A. Krogh | 2001-01-02 |
| 5730791 | Asphalt-base coating composition with novel hindered acid/amine salt surfactant | James A. Krogh | 1998-03-24 |
| 5622554 | Asphalt-based coating composition with alkoxylated amine-derived salt surfactant | James A. Krogh | 1997-04-22 |
| 5618340 | Asphalt-based coating composition with ether amine-acid-complex surfactant | James A. Krogh | 1997-04-08 |