Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051111 | Whitener dispersion | Werner Fringeli, Martin Jollenbeck, Georges Mahler, Willy Schurings | 1991-09-24 |
| 4283197 | Process for whitening polyester fibres by the exhaust method | Willy Schurings, Gerhard Reinert | 1981-08-11 |