Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254644 | Biologically degradable leather | Harro Traubel, Hanns P. Muller, Jurgen Reiners, Gerd-Friedrich Renner, Rainhard Koch +1 more | 2001-07-03 |
| 6143132 | Process for imparting wet strength to paper | Harro Traubel, Hans-Josef Laas, Joachim Konig, Jurgen Reiners, Harald Faika | 2000-11-07 |
| 5922806 | Aqueous polyurethane dispersions based on 1-methyl-2,4-and/or -2,6-diisocyanatocyclohexane and their use as binders for glass fiber sizings | Harald Blum, Karin Naujoks, Oswald Wilmes, Hans-Ulrich Meier-Westhues, Raymond Audenaert | 1999-07-13 |
| 5917083 | Process for the manufacture of allophanates having isocyanate groups | Klaus Konig, Christian Wamprecht, Harro Traubel | 1999-06-29 |
| 5820634 | Process for tanning leather | Harro Traubel, Fritz Novotny | 1998-10-13 |
| 5739249 | Chlorine-free multifunctional resins for paper finishing | Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Joachim Probst, Bruno Bomer +3 more | 1998-04-14 |
| 5693737 | Water-dispersible blocked isocyanates, method of manufacture, and use thereof | Karl-Heinz Passon, Hans-Albert Ehlert, Peter Nussbaum | 1997-12-02 |
| 5618317 | Bisulfite-blocked polyisocyanates as tanning agents | Harro Traubel | 1997-04-08 |
| 5607482 | Crosslinking agents for textile printing fixing agents | Herbert Wigger, Matthias Gehling, Karl-Heinz Passon | 1997-03-04 |
| 5556935 | Crosslinking agents for textile printing binders | Harro Tr aubel, Herbert Wigger, Hans-Josef Laas | 1996-09-17 |
| 5508370 | Water-dispersible blocked isocyanates, method of manufacture, and use thereof | Karl-Heinz Passon, Hans-Albert Ehlert, Peter Nussbaum | 1996-04-16 |
| 5503714 | Chlorine-free multifunctional resins for paper finishing | Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Joachim Probst, Bruno Bomer +3 more | 1996-04-02 |
| 5476892 | Process for conditioning and stabilizing polyols | Hans-Joachim Scholl, Hartmut Nefzger, Bernd Quiring | 1995-12-19 |
| 5459197 | Coating compositions, a process for their production and their use for coating water-resistant substrates | Jurgen Schwindt, Werner Kubitza | 1995-10-17 |
| 5372731 | Composition and process for the finishing of textiles | Gisbert Michels, Hans-Albert Ehlert, Hans-Josef Laas, Joachim Probst, Rolf-Volker Meyer | 1994-12-13 |
| 5342556 | Microcapsules made of isocyanates with groups containing polyethylene oxide | Harro Traubel, Jurgen Weisser | 1994-08-30 |
| 5330841 | Aqueous coating composition and its use for coating mineral substrates | Hermann Gruber, Hermann Kober | 1994-07-19 |
| 5258452 | Polyisocyanate mixtures, a process for their production and their use | — | 1993-11-02 |
| 5210273 | Process for the preparation of mono- and oligourethanes | Dieter Dieterich | 1993-05-11 |
| 5057276 | Process for the preparation of reagent layers containing hydrophobic reagents | Gunter Helling, Wolfgang Himmelmann, Gary M. Oosta, Alexander Riebel, Karl-Wilhelm Schranz | 1991-10-15 |
| 5025064 | Process for the production of aqueous polyurethane dispersions | Otto Lorenz | 1991-06-18 |
| 5021520 | Crosslinked polyurethane-polyurea powders, a process for their production and their use as fillers in two-component polyurethane coating compositions | Dieter Dieterich, Rene Stepanek | 1991-06-04 |
| 4923952 | Monoformylated 3,3'-diaminodipropylamines, a process for their production and their use | Hans-Joachim Scholl | 1990-05-08 |
| 4870206 | Aromatic polyisocyanates, their preparation and use as components for adhesives | Josef Sanders, Rudolf Hombach, Dieter Dieterich, Manfred Dollhausen | 1989-09-26 |
| 4840885 | Color photographic recording material for the dye diffusion transfer process | Manfred Peters, Gunter Helling | 1989-06-20 |