Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753730 | Leucodye (such as leucoindigo) as dispersing aid | David Crettenand, Grégoire Chappot, Herbert Gübeli | 2023-09-12 |
| 11629418 | By-products (impurity) removal | David Crettenand, Grégoire Chappot, Herbert Gübeli | 2023-04-18 |