Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298036 | Mixture of disazo dyes containing sulfo-substituted 1,4-naphthalene middle components | Urs Lehmann | 1994-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298036 | Mixture of disazo dyes containing sulfo-substituted 1,4-naphthalene middle components | Urs Lehmann | 1994-03-29 |