Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7683110 | Preparation of cellulose ether products of increased viscosity and fineness | Hartwig Schlesiger, Roland Bayer, Daniel Auriel, Jurgen Engelhardt, 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, Hartwig Schlesiger, Arne Kull, Jorn-Bernd Pannek, Jurgen Engelhardt +1 more | 2009-02-17 |
| 7041168 | Process for cement extrusion that makes use of crosslinked cellulose additives | Hartwig Schlesiger, Roland Bayer, Arne Kull, Jurgen Engelhardt, Burkhard Kressdorf +1 more | 2006-05-09 |
| 7012139 | Process of preparing delayed-dissolution cellulose ethers | Hartwig Schlesiger, Wolfgang Dannhorn, Jorn-Bernd Pannek, Volkhardt Müller | 2006-03-14 |
| 5062889 | Process for the preparation of hydrocolloid mixtures having improved dispersibility | Jorn Breckwoldt | 1991-11-05 |
| 4764548 | Tile adhesive based on water-dilutable, cellulose-containing pastes | Lutz Hoppe, Erhard Luhmann, Eugen Reinhardt | 1988-08-16 |
| 4727116 | Water-soluble polymers and use as building material auxiliaries | Werner Lange, Klaus Szablikowski | 1988-02-23 |
| 4703087 | Water-soluble polymers and their use as auxiliaries for building materials | Werner Lange, Klaus Szablikowski | 1987-10-27 |
| 4588772 | Water-soluble, polymer-modified hydroxyalkyl methyl cellulose and its use as an additive for asbestos-free tile adhesive formulations | Branislav Bohmer, Werner Lange | 1986-05-13 |
| 4424592 | Solar pumped laser | Ja H. Lee, Willard R. Weaver | 1984-01-03 |
| 4388542 | Solar driven liquid metal MHD power generator | Alan M. Administrator of the National Aeronautics and Space Lovelace, Ja H. Lee | 1983-06-14 |
| 4300106 | Large volume multiple-path nuclear pumped laser | Robert A. Administrator of the National Aeronautics and Space Frosch, Russell J. De Young | 1981-11-10 |