Issued Patents All Time
Showing 1–25 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821059 | Polyurethane-forming composition with adjustable mix viscosity, geotextile composites prepared therefrom and a process for producing such composites | Ralf Guether | 2004-11-23 |
| 6786680 | Process for patching canals and ditches with a non-sagging polyurethane composition | Ralf Guether | 2004-09-07 |
| 6706776 | Syntactic foams with improved water resistance, long pot life and short demolding times | Ralf Guether, Tom L. Sekelik | 2004-03-16 |
| 6669407 | Polyurethane geotextile composite liner with improved water resistance and a process for the production thereof | Ashok M. Sarpeshkar, Marylyn Donaldson, W. Tracy Estabrook, Ralf Guether | 2003-12-30 |
| 6632875 | Polyurethane-forming composition with adjustable mix viscosity, geotextile composites prepared therefrom and a process for producing such composites | Ralf Guether | 2003-10-14 |
| 6617412 | Fertilizer encapsulation using sulfur containing polyols | Robert L. Cline | 2003-09-09 |
| 6602025 | Process for lining canals, ditches and pipes with a non-sagging polyurethane/geofabric composite | Ralf Guether | 2003-08-05 |
| 6582771 | Method for producing a polyurethane/geofabric composite | Ralf Guether, LeRoy Payne | 2003-06-24 |
| 6562932 | Light stable one-shot urethane-urea elastomers | Robert L. Cline, Richard S. Pantone, Ralf Guether, Thomas Sekelik, Karl W. Haider | 2003-05-13 |
| 6503288 | Process for the production of biodegradable encapsulated fertilizers | — | 2003-01-07 |
| 6503980 | Liquid polyurethane plasticizers containing allophanate and/or carbodiimide and/or uretonimine groups | Richard S. Pantone | 2003-01-07 |
| 6482913 | Liquid MDI adducts wtih improved freeze stability | Richard S. Pantone, Ralf Guether, William E. Slack | 2002-11-19 |
| 6403702 | Diurethane plasticizer containing one-shot polyurethane cast elastomers | Richard S. Pantone | 2002-06-11 |
| 6384130 | Liquid, hydrophobic, non-migrating, non-functional polyurethane plasticizers | Richard S. Pantone | 2002-05-07 |
| 6364925 | Polyurethane encapsulated fertilizer having improved slow-release properties | Robert L. Cline, Ashok M. Sarpeshkar, Robert P. Yeater | 2002-04-02 |
| 6358296 | Slow-release polyurethane encapsulated fertilizer using oleo polyols | Robert L. Cline, Ashok M. Sarpeshkar | 2002-03-19 |
| 6355721 | High molecular weight liquid, non-functional polyether polyurethane plasticizers | Richard S. Pantone | 2002-03-12 |
| 6352661 | PMDI wood binders containing hydrophobic diluents | James A. Thompson, Ashok M. Sarpeshkar, James W. Rosthauser | 2002-03-05 |
| 6277943 | One-shot polyurethane elastomers with very low compression set | Ashok M. Sarpeshkar, Robert L. Cline | 2001-08-21 |
| 6248856 | One-shot polyurethane elastomers with very low compression sets | Ashok M. Sarpeshkar, Robert L. Cline, Corrine M. Gilbert | 2001-06-19 |
| 6242556 | Liquid MDI adducts with improved freeze stability | Richard S. Pantone, Ralf Guether, William E. Slack | 2001-06-05 |
| 6218462 | Liquid ultra-high molecular weight polyurethane plasticizers | Richard S. Pantone | 2001-04-17 |
| 6187892 | Method of making a coated substrate with polyurethane/urea contact adhesive formulations and the coated substrate by this method | James W. Rosthauser, Robert L. Cline | 2001-02-13 |
| 6165550 | Symmetrical Polyurea-urethane fertilizer encapsulation | James W. Rosthauser | 2000-12-26 |
| 6152981 | Sulfur containing isocyanate compositions | Donald MacNaughtan, Jr., William G. Crabtree, Robert L. Cline | 2000-11-28 |