Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455715 | Method of producing dicarboxylic acids suitable for synthesis of polymers or polyamides | Rainer Frische, Jurgen Volkheimer | 2002-09-24 |
| 6362368 | Method of producing dicarboxylic acids suitable for synthesis of polymers or polyamides | Rainer Frische, Jurgen Volkheimer | 2002-03-26 |
| 6265593 | Process for solvent extraction of hydrophobic compounds | Bernd Best, Rainer Frische, Barbara Olbrich-Deussner, Joachim Seemann | 2001-07-24 |
| 5928696 | Process for extracting native products which are not water-soluble from native substance mixtures by centrifugal force | Bernd Best, Karlheinz Brunner, Rainer Ricker, Rainer Frische | 1999-07-27 |