Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330334 | Modifying mortars of inorganic binding agents with alkylated sulphonated phenol-formaldehyde condensation product | Kurt Schaupp, Gunther Reitz | 1982-05-18 |
| 4324732 | Process for the preparation of monoaroylated 1,4-diaminoanthraquinones | Norbert Majer | 1982-04-13 |
| 4322312 | Process for purification of non-ionic emulsifiers | — | 1982-03-30 |