Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669407 | Polyurethane geotextile composite liner with improved water resistance and a process for the production thereof | Peter H. Markusch, Marylyn Donaldson, W. Tracy Estabrook, Ralf Guether | 2003-12-30 |
| 6364925 | Polyurethane encapsulated fertilizer having improved slow-release properties | Peter H. Markusch, Robert L. Cline, Robert P. Yeater | 2002-04-02 |
| 6358296 | Slow-release polyurethane encapsulated fertilizer using oleo polyols | Peter H. Markusch, Robert L. Cline | 2002-03-19 |
| 6352661 | PMDI wood binders containing hydrophobic diluents | James A. Thompson, James W. Rosthauser, Peter H. Markusch | 2002-03-05 |
| 6277943 | One-shot polyurethane elastomers with very low compression set | Peter H. Markusch, Robert L. Cline | 2001-08-21 |
| 6248856 | One-shot polyurethane elastomers with very low compression sets | Peter H. Markusch, Robert L. Cline, Corrine M. Gilbert | 2001-06-19 |
| 5719229 | Process for preparing solid elastomeric polyurethanes having reduced surface skinning | Richard S. Pantone | 1998-02-17 |
| 5708073 | Non-aqueous, base-degradable polyurethane | Jeffrey A. Dodge, Peter H. Markusch, Jeffrey F. Dormish | 1998-01-13 |
| 5656713 | Thermoformable polyurethanes | Peter H. Markusch | 1997-08-12 |
| 5389720 | Aqueous polyisocyanate dispersions | Peter H. Markusch | 1995-02-14 |
| 5346981 | Radiopaque polyurethanes | Peter H. Markusch | 1994-09-13 |
| 5283298 | Hydrophilic polyurethane compositions | Peter H. Markusch, Charles S. Gracik | 1994-02-01 |
| 5250620 | Hydrophilic polyvinylpyrrolidone compositions having a low coefficient of friction | Peter H. Markusch, Charles S. Gracik | 1993-10-05 |
| 5212230 | Aqueous polyurea dispersions prepared by an emulsion polymerization process | Robin E. Tirpak, Peter H. Markusch | 1993-05-18 |
| 5191012 | Aqueous dispersions of encapsulated polyisocyanates | Peter H. Markusch, Robin E. Tirpak | 1993-03-02 |
| 5185200 | Aqueous polyisocyanate dispersions with reduced isocyanate contents and their use for the production of fiberglass mats | Robin E. Tirpak, Peter H. Markusch | 1993-02-09 |
| 5177170 | Radiopaque polyurethanes | Peter H. Markusch | 1993-01-05 |
| 5081204 | Polyurethane elastomers | Charles S. Gracik | 1992-01-14 |
| 5081210 | Polyurethane elastomers | Charles S. Gracik | 1992-01-14 |
| 5079327 | Polyurethane elastomers | Charles S. Gracik | 1992-01-07 |
| 5079328 | Polyurethane elastomers | Charles S. Gracik | 1992-01-07 |
| 5013810 | Impact absorbing media | Charles S. Gracik | 1991-05-07 |