Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441095 | Use of polymeric additives for paraffin-containing fluids | Oliver Herzog, Sabine Scherf, Michael Ruffmann | 2022-09-13 |
| 7812106 | Copolymerizable emulsifiers and emulsion polymerization processes using the same | Patrick Tintillier | 2010-10-12 |
| 6946524 | Methods for producing polyester amides based on polyisobutylenes, polyester amides produced thereby, and uses therefor in stabilizing crude oil | Paul Birnbrich, Claus-Peter Herold, Stephan von Tapavicza, Didier Groffe, Matthias Hof | 2005-09-20 |
| 6368422 | Process for removing solid asphalt residues produced in the petroleum industry | Claus-Peter Herold | 2002-04-09 |
| 6310106 | Method for demulsifying emulsions | Stefan Podubrin, Claus-Peter Herold, Andreas Heidbreder, Thomas Foerster, Martina Hollenbrock | 2001-10-30 |
| 6261530 | Cationic layer compounds, production and use | Christoph Lohr, Joerg-Dieter Klamann, Wolfgang Ritter | 2001-07-17 |
| 6261346 | Method for protecting metal surfaces against corrosion in liquid or gaseous media | Robert W. Schuetz, Guenther Uphues, Claus-Peter Herold, Rafael Pi | 2001-07-17 |
| 5807529 | Process for the production of silicate-based builder granules with increased apparent density | Hans-Friedrich Kruse, Beatrix Kottwitz, Volker Bauer, Berthold Schreck, Joerg Poethkow | 1998-09-15 |
| 5780420 | Silicate-based builders and their use in detergents and multicomponent mixtures for use in this field | Volker Bauer, Joerg Poethkow, Beatrix Kottwitz, Jochen Jacobs, Hans Dolhaine +3 more | 1998-07-14 |
| 5663122 | Mineral additives for setting and/or controlling the rheological properties and gel structure of aqueous liquid phases and the use of such additives | Heinz Mueller, Claus-Peter Herold, Peter Kuhm, Stephan von Tapavicza | 1997-09-02 |
| 5539135 | Process for producing hydrophobicized double-layer hydroxide compounds | Claudia Mai, Hans-Christian Raths, Elvira Scholz | 1996-07-23 |
| 5326891 | Hydrophobicized double layer hydroxide compounds | Hans-Christian Raths | 1994-07-05 |
| 5292910 | Use of hydrophobized hydrotalcites as catalysts for ethoxylation or propoxylation | Hans-Christian Raths, Klaus Friedrich, Klaus Herrmann | 1994-03-08 |