Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637678 | Process for preparing azo dyes containing A2- (arylsulphonylamino)-pyrimidine group | Jose Rocas Sorolla | 1997-06-10 |
| 5319075 | Iron complexes and mixtures of iron complexes of disazo compounds having 1,3-dihydroxybenzene coupling component radicals, their use and metal-free disazo compounds useful as intermediates | Herbert Holliger, Jose Rocas Sorolla | 1994-06-07 |