Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341719 | Process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid | Theodor Pfister, Manfred Niese, Peter Wenzl | 1982-07-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341719 | Process for the preparation of 1-amino-2-ethoxy-naphthalene-6-sulphonic acid | Theodor Pfister, Manfred Niese, Peter Wenzl | 1982-07-27 |