Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879057 | Aqueous bleaching agent suspensions containing peroxycarboxylic acid, method for their preparation and use | Thomas Lieser, Gunter Prescher, Wolfgang Leonhardt, Manfred Diehl | 1989-11-07 |
| 4874556 | Process for the desensitization of water-insoluble peroxycarboxylic acids | Willi Hofen | 1989-10-17 |
| 4866146 | Thermosetting dental materials | Ralf Janda | 1989-09-12 |
| 4795594 | Process for the production of water insoluble peroxycarboxylic acids | — | 1989-01-03 |