Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368422 | Process for removing solid asphalt residues produced in the petroleum industry | Wolfgang Breuer | 2002-04-09 |
| 6350788 | Low-foam surfactant concentrates for use in the domain of plant growth stimulation | Stephan von Tapavicza, Heinz Mueller, Heinz Boettcher | 2002-02-26 |
| 6344431 | Use of selected inhibitors against the formation of solid organo-based incrustations from fluid hydrocarbon mixtures | Stephan von Tapavicza, Wolfgang Zoellner, Jacques Groffe, Jean-Michel Rouet | 2002-02-05 |