Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802889 | 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate | Ulrich Bte,uml/u/ hler, Horst Tappe, Reinhard Kuhn, Margareta Boss | 1989-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802889 | 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate | Ulrich Bte,uml/u/ hler, Horst Tappe, Reinhard Kuhn, Margareta Boss | 1989-02-07 |