Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590040 | Process for the continuous production of superabsorbent polymers from PAN emulsions | Rolf-Volker Meyer, Sergei Schapowalow, Telman Bayburdov, Jgor Nakonetschny | 2003-07-08 |
| 6573358 | Process for the preparation of superabsorbent polymers from polyacrylonitrile precipitation polymers | Gisbert Michels, Klaus Struss | 2003-06-03 |
| 6426381 | Fine-particle polymer dispersions for paper sizing | Joachim Konig, Eckhard Wenz, Thomas Roick, Bernd Thiele, Gabriele Kinkel +2 more | 2002-07-30 |
| 6379751 | Imparting water-repellency with polysiloxanes containing carboxyl groups | Walter Schafer, Jurgen Reiners, Tillmann Hassel, Manfred Schnee, Fritz Novotny | 2002-04-30 |
| 6339117 | Whitened polymers and the use thereof in coating slips for coating substrates | Udo Eckstein, Siegfried Korte, Ulrich Feldhues, Hans Geiger, Bernhard Hunke +1 more | 2002-01-15 |
| 6310132 | Sizing agents for paper | Eckhard Wenz, Joachim Konig, Bernhard Jansen, Thomas Roick, Bernd Thiele +1 more | 2001-10-30 |
| 6288158 | Modified superabsorbent polymer based on polyacrylonitrile emulsions | Sergej Schapowalov, Rolf-Volker Meyer, Siegfried Korte | 2001-09-11 |
| 6156848 | Pre-formed super absorbers with high swelling capacity | Sergej Schapowalow, Siegfried Korte, Rolf-Volker Meyer | 2000-12-05 |
| 5728774 | Process for the continuous production of superabsorbent polymers from pan emulsions | Sergej Schapowalow, Martin Ullrich, Helmut Brod | 1998-03-17 |
| 5635569 | Superabsorbent polymers from cross-linked polyacrylonitrile emulsions | Siegfried Korte, Sergej Schapowalow, Klaus Szablikowski, Wolfgang Koch | 1997-06-03 |
| 5487964 | Powder mixtures for metallization of substrate surfaces | Gunther Reichert, Hans Lietz, Jurgen-Rolf Hassdenteufel, Frank Kobelka | 1996-01-30 |
| 5472741 | Softening and waterproofing retanning agents | Bruno Bomer, Joachim Kochta, Henricus Slaats | 1995-12-05 |
| 5356985 | Highly-concentrated aqueous polyacrylonitrile emulsions and a method for their preparation | Siegfried Korte, Heinrich Alberts, Rolf-Volker Meyer | 1994-10-18 |
| 5288787 | Emulsion polymers | Wolfgang Henning, Joachim Probst, Joachim Konig, Heinz Baumgen | 1994-02-22 |
| 5258466 | Paper size | Joachim Konig, Fritz Puchner, Heinz Baumgen | 1993-11-02 |
| 5030697 | Polymer-bound dyes, process for their production and use | Herbert Hugl, Bruno Bomer, Heinz Kolbl, Florin Seng, Eberhard Kuckert | 1991-07-09 |
| 5013794 | Polymers of diisobutylene-sulfonate alkane maleic acid derivatives | Joachim Konig, Heinz Baumgen | 1991-05-07 |
| 4931510 | Polymers from ethylenic monomers | Joachim Konig, Heinz Baumgen | 1990-06-05 |
| 4771097 | Tub sizes for paper | Ulrich Beck, Joachim Konig, Heinz Baumgen, Klaus Albrecht | 1988-09-13 |
| 4670516 | Copolymers based on maleic anhydride and .alpha., .beta.-unsaturated compounds a process for their preparation and their use as paraffin inhibitors | Jan Mazanek, Wolfgang Oberkirch, Herbert Bartl | 1987-06-02 |
| 4614759 | Surface sizing agents for paper | Ulrich Beck, Heinz Baumgen | 1986-09-30 |
| 4613337 | Process for dyeing cellulose-containing fibre materials by the cold pad-batch or pad-steam method: maleic anhydride-styrene copolymer | Udo-Winfried Hendricks, Klaus Lesche, Wolf-Dieter Schroer | 1986-09-23 |
| 4596863 | N-alkylimide copolymers and their use as sizing agents | Ulrich Beck, Heinz Baumgen | 1986-06-24 |
| 4568421 | Monofluorotriazinyl compounds, processes for their preparation and their use as sizing agents | Horst Jager, Ulrich Beck, Heinz Baumgen | 1986-02-04 |
| 4524131 | Photographic silver halide recording material with graft copolymer particles in outer layer | Wolfgang Himmelmann, Rudolf Meyer | 1985-06-18 |