Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761272 | Filters consisting of filter paper or paper-type nonwoven material | Bckehard Lange, Michael Knieling | 2004-07-13 |
| 6703496 | Starch phosphates, method for the production thereof and their use | Eckehard Lange, Juan Camacho | 2004-03-09 |