Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733559 | Method of reducing the availability of heavy metals in plants and the use of cross linked poly(meth)acrylates in said method | Moitoba Zomorrodi | 2004-05-11 |
| 6593460 | Method for grafting lignin, polymerizates produced according to the method and the utilization thereof | Carsten Mai | 2003-07-15 |
| 6484441 | Method for increasing the pH value in acidic soil | Moitoba Zomorrodi | 2002-11-26 |
| 6410674 | INTERMEDIATE PRODUCT FOR MANUFACTURING LIGAIN POLYMERS AND IT'S USE IN MANUFACTURING REAGENTS FOR MAKING COMPOSITE MATERIALS FROM PLANT FIBERS, WATERPROOF PAPERS AND CARDBOARDS, AND THERMOSETTING PLASTICS FROM DERIVATIVES | Andrzej Majcherczyk, Carsten Mai, Annette Braun-Lüllemann, Merle Fastenrath, Sonja Noetzold | 2002-06-25 |
| 4459228 | Method for precipitation of sulphonated lignin from sulfide wastes | Annegret Haars | 1984-07-10 |
| 4432921 | Process for producing a binder for wood materials | Annegret Haars | 1984-02-21 |