Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610218 | Organopolysiloxane compositions which are stabilized to heat and can be crosslinked to give elastomers | Enno Funk, Norbert Egerter, Sabine Schreyer, Herbert Barthel | 1997-03-11 |
| 5591797 | Transition metal-containing hydrophobic silica | Herbert Barthel | 1997-01-07 |