Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607096 | Azo pigments obtained by diazotizing in a dipolar aprotic organic solvent | Klaus Hunger, Erhard Worfel | 1986-08-19 |
| 4478660 | Method of placing a decorative layer on a carrier panel | Max Mayr | 1984-10-23 |
| 4418106 | Method of producing a flocked composite body | Max Mayr | 1983-11-29 |
| 4302254 | Process for the manufacture of pigment preparations | — | 1981-11-24 |
| 4182708 | Process for the preparation of azo pigments by diazotizing in a dipolar aprotic organic solvent and azo pigments obtained therefrom | Klaus Hunger, Erhard Worfel | 1980-01-08 |
| 4181805 | Process for the preparation of pure sodium hydroxide addition compounds of cis-isomers of naphthoylene-bis-benzimidazoles | — | 1980-01-01 |