Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284939 | Process for the preparation of highly concentrated solutions of cationic azo dyes | Hanspeter Birri, Gerhard Hanika | 1994-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284939 | Process for the preparation of highly concentrated solutions of cationic azo dyes | Hanspeter Birri, Gerhard Hanika | 1994-02-08 |