Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9080133 | Glutamic acid N,N-diacetic amide, glutamic acid N-acetic amide N-acetonitrile, alkali metal salts thereof, process to prepare them and their use | Tjerk Oedse Boonstra, Martin Heus, Axel Carstens | 2015-07-14 |
| 7211682 | Aqueous solution of a sodium salt of HEDTA | Martin Heus, Hans Lammers | 2007-05-01 |