Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468812 | Polymerizable fluorochemical surfactants | Roger R. Alm | 1995-11-21 |
| 4937123 | Process for providing polyamide materials with stain resistance | John C. H. Chang, Maynard H. Olson | 1990-06-26 |
| 4873020 | Fluorochemical surfactants and process for preparing same | — | 1989-10-10 |
| 4822373 | Process for providing polyamide materials with stain resistance with sulfonated novolak resin and polymethacrylic acd | Maynard H. Olson, John C. H. Chang | 1989-04-18 |