Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11479672 | High wet fast disperse dye mixtures of N-[4-(5-thiocyanato-2,4-dinitro-phenylazo)-phenyl]-amine derivatives and N-[4-(4-nitro-phenylazo)-phenyl]-amine derivatives | Manfred Hoppe, Clemens Grund, Fanny Vermandel, Chongjun Jiao | 2022-10-25 |
| 11377787 | Basic dye mixtures for aramid fibres | Manfred Hoppe, Clemens Grund, Brian Connolly, Thomas Stepanski | 2022-07-05 |