Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554577 | Agents for the stimulation and cultivation of plant growth and process for producing said agents | Peter Schroeder, Wolfgang Ritter, Bernd Ebbe | 1996-09-10 |
| 5439953 | Starch-based materials and/or molded parts modified by synthetic polymer compounds and process for producing the same | Wolfgang Ritter, Rainer Bergner | 1995-08-08 |