Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883607 | Water-insoluble silicate containing detergent builder granulate | — | 1989-11-28 |
| 4879057 | Aqueous bleaching agent suspensions containing peroxycarboxylic acid, method for their preparation and use | Manfred Dankowski, Thomas Lieser, Gunter Prescher, Wolfgang Leonhardt | 1989-11-07 |