Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239097 | Process for refining soap-containing crude polyol fatty-acid polyester reaction products | Frederik D. Barkey Wolf, Bart Barmentlo, Otto Eduard Rosier, Arend Zwanenburg | 1993-08-24 |