Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627580 | Chelating agents and their manganic chelates | Martin Heus | 2003-09-30 |
| 6458980 | Chelating agents and their manganic chelates | Martin Heus | 2002-10-01 |
| 4304935 | Production of 1-phenyl-3-cyanoureas | John V. Brammer-Petersen, Per T. Lindgren | 1981-12-08 |