Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8722092 | Nanoparticles made of amorphous cellulose | Klaus Nachtkamp, Christa Kruger, Steffen Fischer, Manfred Pinnow, Kay Hettrich | 2014-05-13 |
| 8338494 | Nanoparticles from slightly oxidised cellulose | Klaus Nachtkamp, Christa Kruger, Volker Kriegisch, Steffen Fischer, Manfred Pinnow +1 more | 2012-12-25 |
| 8182839 | Production of cellulose nanoparticles | Birgit Kosan, Christa Kruger, Frank Meister, Klaus Nachtkamp, Jens Schaller | 2012-05-22 |
| 7777026 | Aminoalkyl-containing guar derivatives | Carsten Huttermann, Meinolf Brackhagen | 2010-08-17 |
| 7683110 | Preparation of cellulose ether products of increased viscosity and fineness | Hartwig Schlesiger, Roland Bayer, Daniel Auriel, Frank Hohl, Erik-Andreas Klohr +3 more | 2010-03-23 |
| 7491755 | Cellulose ether composition for the extrusion of mineral shaped bodies and also a process for the extrusion of mineral shaped bodies using this cellulose ether composition | Roland Bayer, Frank Hohl, Hartwig Schlesiger, Arne Kull, Jorn-Bernd Pannek +1 more | 2009-02-17 |
| 7041168 | Process for cement extrusion that makes use of crosslinked cellulose additives | Hartwig Schlesiger, Roland Bayer, Frank Hohl, Arne Kull, Burkhard Kressdorf +1 more | 2006-05-09 |
| 6559300 | Water-soluble biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid esters which can flocculate | Joachim Simon, Hanns P. Muller, Rainhard Koch, Volkhard Muller, Klaus Szablikowski +1 more | 2003-05-06 |
| 6403787 | Thermoplastic material consisting of aliphatic carbamic acid derivatives of polysaccharides and low-molecular urea derivatives as well as a process for their preparation and use of the same | Joachim Simon, Hanns P. Muller, Rainhard Koch, Dirk Dijkstra | 2002-06-11 |
| 6146858 | Method for producing cellulose derivatives | Rainhardt Koch, Frank Berendes, John J. Foster, Hans-Georg Rast, Jörg Neubauer +2 more | 2000-11-14 |
| 5861506 | Compostable and thermoplastic cellulose ether-2-hydroxycarboxylic acid esters and mixed esters | Joachim Simon, Hanns P. Muller, Rainhard Koch, Dirk Dijkstra, Volkhard Muller | 1999-01-19 |
| 5717087 | Thermoplastic and biodegradable polysaccharide esters/polysaccharide ether esters containing maleic acid addition product groups | Jochen Kalbe, Reinhard Koch, Hanns P. Muller, Wolfgang Koch, Volkhard Muller | 1998-02-10 |
| 5698612 | Thermoplastically workable, biodegradable moulding compositions | Joachim Simon, Hanns P. Muller, Dirk Dijkstra, Volkhard Muller, Gunter Weber | 1997-12-16 |
| 5639865 | Thermoplastic biodegradable polysaccharide derivatives, process for the manufacture thereof and use thereof | Jochen Kalbe, Hanns P. Muller, Rainhard Koch, Wolfgang Koch, Klaus Szablikowski +1 more | 1997-06-17 |
| 5466794 | Thermoplastic cellulose ether ester graft copolymers and process for their production | Jochen Kalbe, Hanns P. Muller, Rainhard Koch, Wolfgang Koch, Klaus Szablikowski +1 more | 1995-11-14 |
| 5134219 | Stiff-chain polyheterocycles having improved solubility, a process for their production and their use | Hans R. Kricheldorf, Ralf Pakull, Volker Eckhardt, Ulrich Leyrer | 1992-07-28 |