Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8585275 | Degassing extruder for degassing a polymer material and method for degassing a syrup consisting of polymers, solvents and/or monomers using a degassing extruder | Ruediger Carloff, Joachim Heid | 2013-11-19 |
| 8534903 | Drive arrangement in a degassing extruder | Ruediger Carloff, Joachim Heid | 2013-09-17 |
| 8043691 | Process of making a glossy film | Uwe Numrich, Klaus Hofmann, Peter Kaube, Horst Schmidt | 2011-10-25 |
| 6765046 | Process for producing polymethylmethacrylate molding materials with a neutral color | Uwe Numrich, Michael Wicker, Klaus Albrecht, Hermann Jaksch, Ernst Mohr | 2004-07-20 |
| 6475420 | Process of making a glossy film | Uwe Numrich, Klaus Hofmann, Peter Kaube, Horst Schmidt | 2002-11-05 |
| 6287470 | Two-step method for dehydrating plastic dispersions | Hartmut Schikowsky, Werner Hoess | 2001-09-11 |
| 6214942 | Multi-stage process for producing heat resistant dimensionally stable polymethacrylate moulding compounds | Werner Siol, Michael Wicker | 2001-04-10 |
| 5650107 | Method for dewatering a molten synthetic resin | Hartmut Schikowsky | 1997-07-22 |
| 5625021 | Method for the production of plastic particles | Markus Parusel, Werner Siol | 1997-04-29 |
| 5548033 | Process for the short-time treatment of a plastic melt with a liquid treatment agent and the plastic thus produced | Werner Hoess, Joachim Dutschke, Hartmut Schikowsky | 1996-08-20 |
| 5135985 | Homogeneous mixture of polymethacrylimide polymers | Werner Hoess, Jens-Dieter Fischer, Hartmut Schikowsky | 1992-08-04 |
| 5110877 | Method for imidizing an alkyl methacrylate polymer | Werner Hoess, Manfred Brehm, Guenter Schroeder, Roland Reiner | 1992-05-05 |
| 5053177 | Method for making a coated synthetic resin web | Werner Siol | 1991-10-01 |
| 4921669 | Method for coating a continuous train of synthetic resin with a scratch resistant coating | Werner Siol | 1990-05-01 |
| 4917754 | Method for coating a solid closed surface | Walter Hellmann, Otmar Krajec | 1990-04-17 |
| 4876311 | Opaque synthetic resins | Jurgen Hennig, Manfred Munzer | 1989-10-24 |
| 4859392 | Process and device for the production of plastic films | — | 1989-08-22 |
| 4733718 | Heat exchanger bodies made of plastic | Hartmut Schikowsky, Heinz Gross, Herbert W. Helm, Klaus-Ernst Poehlmann, Karl Schanz | 1988-03-29 |
| 4707393 | Method for making hollow multilayer multiple-wall synthetic resin panels | — | 1987-11-17 |
| 4647489 | Multilayer web plate with improved light-permeability | Werner Siol, Wolfgang Arnold | 1987-03-03 |
| 4569875 | Multilayer web panel and a process for its manufacture | Klaus E. Pohlmann, Ernst Friederich | 1986-02-11 |
| 4515648 | Method of making a gastight multiple-walled plastic panel | Klaus Kolbe, Walter Hellmann, Otmar Krajec, Hartmut Schikowsky | 1985-05-07 |
| 4513048 | Webbed multiple sheets | Peter Kaube, Karl-Heinz Schanz, Jens Müller | 1985-04-23 |
| 4477521 | Light transparent body of coextruded synthetic resin | Jurgen Lehmann, Wolfgang Arnold | 1984-10-16 |
| 4461703 | Swimming pool aeration cleaning system | — | 1984-07-24 |