Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837794 | Toluene diisocyanate residue-based compositions having reduced acid values | William E. Slack, Scott A. Kane | 1998-11-17 |
| 5783652 | Reactivity improvement of urethane prepolymers of allophanate-modified diphenylmethane diisocyanates | William E. Slack | 1998-07-21 |
| 5733966 | Polyurethane contact adhesives with improved temperature resistance properties | Robert L. Cline, Peter H. Markusch | 1998-03-31 |
| 5726240 | Reactivity stabilization of polymethylene poly(phenylisocyanates) | Robert L. Cline, Richard S. Pantone | 1998-03-10 |
| 5723194 | Polyurethane layers with higher surface energy | Peter H. Markusch | 1998-03-03 |
| 5714562 | Light stable elastomers having good dynamic properties | Karl W. Haider, Carl J. Serman | 1998-02-03 |
| 5646230 | Isocyanate-terminated prepolymers, a process of producing polyurethane/polyurea elastomers therefrom, and the resultant elastomers | Richard S. Pantone, Karl W. Haider | 1997-07-08 |
| 5558917 | Polyurethane carpet backing process based on polymeric MDI quasi-prepolymers | Peter H. Markusch | 1996-09-24 |
| 5510445 | Process for castable polyurea elastomers | Karl W. Haider, William E. Slack, Rick L. Adkins, Peter H. Markusch | 1996-04-23 |
| 5462766 | Polyurethane carpet backing process based on polymeric MDI quasi-prepolymers | Peter H. Markusch | 1995-10-31 |
| 5389718 | Two-component aqueous polyurethane dispersions | Terry A. Potter, Patricia B. Jacobs, Peter H. Markusch | 1995-02-14 |
| 5372875 | Aqueous two-component polyurethane-forming compositions and a process for their preparation | Peter H. Markusch, Robin E. Tirpak | 1994-12-13 |
| 5367017 | Aqueous polyurea dispersions prepared by an emulsion polymerization process | Robin E. Tirpak | 1994-11-22 |
| 5358997 | Reactive aqueous polyurea dispersions prepared by an emulsion polymerization process | Robin E. Tirpak | 1994-10-25 |
| 5300556 | Process for the preparation of aqueous dispersions containing both blocked polyisocyanates and polyhydroxyl compounds | Robin E. Tirpak | 1994-04-05 |
| 5296160 | Aqueous dispersions of blocked polyisocyanates | Robin E. Tirpak | 1994-03-22 |
| 5288899 | Liquification of diphenylmethane diisocyanate by partially reacting the isocyanate groups with blocking agents | Stephen D. Seneker, Scott A. Kane | 1994-02-22 |
| 5210127 | Free-flowing, thermoplastically processible and post-crosslinkable polyurethane powders | Joachim Werner, Walter Meckel, Ulrich Liman, Dirk Wegener, Werner Rasshofer | 1993-05-11 |
| 5157074 | Aqueous compositions containing an at least partially blocked polyisocyanates and a trimerization catalyst and coatings and binders prepared therefrom | Sidney H. Metzger, Robin E. Tirpak | 1992-10-20 |
| 5154950 | Rapid curing, light stable, two-component polyurethane coating compositions | Edward P. Squiller, Peter H. Markusch | 1992-10-13 |
| 4985490 | Method of direct manufacture of pigmented polyurethane powder | Walter Meckel, Werner Rasshofer | 1991-01-15 |
| 4940750 | Continuous process for the production of powdered polyisocyanate addition products and the powders produced therefrom | Walter Meckel | 1990-07-10 |
| 4925885 | Aqueous compositions for use in the production of crosslinked polyurethanes | Peter H. Markusch | 1990-05-15 |
| 4826894 | Aqueous polyurethane-ureas dispersions and their use for the production of coatings having improved humidity resistance | Peter H. Markusch | 1989-05-02 |
| 4788262 | Polyisocyanate blends with improved compatibility with coreactants | Peter H. Markusch, Michael Beatty | 1988-11-29 |