Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6036879 | Viscosity-stable isocyanate-terminated prepolymers and polyoxyalkylene polyether polyols having improved storage stability | Bruce D. Lawrey, Nigel Barksby | 2000-03-14 |
| 5965778 | Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation | Gary L. Allen, Nigel Barksby, Usama E. Younes | 1999-10-12 |
| 5962619 | Process for making clear polyurethane/urea elastomers | Chin-Chang Shen | 1999-10-05 |
| 5919888 | Viscosity-stable isocyanate-terminated prepolymers and polyoxyalkylene polyether polyols having improved storage stability | Bruce D. Lawrey, Nigel Barksby | 1999-07-06 |
| 5849944 | Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation | Gary L. Allen, Nigel Barksby, Usama E. Younes | 1998-12-15 |
| 5843357 | Spandex elastomers | Bruce D. Lawrey | 1998-12-01 |
| 5811829 | Viscosity stable isocyanate-terminated prepolymers and polyoxyalkylene polyether polyols having improved storage stability | Bruce D. Lawrey, Nigel Barksby | 1998-09-22 |
| 5792829 | Polyurethane elastomers exhibiting improved demold, green strength, and water absorption, and haze-free polyols suitable for their preparation | Gary L. Allen, Nigel Barksby, Bruce H. Isaacs, Leah Langsdorf | 1998-08-11 |
| 5728745 | Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation | Gary L. Allen, Nigel Barksby, Usama E. Younes | 1998-03-17 |
| 5723563 | Spandex elastomers | Bruce D. Lawrey | 1998-03-03 |
| 5708118 | Spandex elastomers | Bruce D. Lawrey | 1998-01-13 |
| 5691441 | Spandex elastomers | Bruce D. Lawrey | 1997-11-25 |
| 5677413 | Polyurethane elastomers exhibiting improved demold green strength and water absorption and haze-free polyols suitable for their preparation | Nigel Barksby | 1997-10-14 |
| 5670601 | Polyurethane elastomers having improved green strength and demold time and polyoxyalkylene polyols suitable for their preparation | Gary L. Allen, Nigel Barksby, Usama E. Younes | 1997-09-23 |
| 5648447 | Elastomeric polyurethanes with improved properties based on crystallizable polyols in combination with low monol polyoxpropylene polyols | Nigel Barksby, Bruce D. Lawrey | 1997-07-15 |
| 5576382 | Aqueous polyurethane dispersions based on polyether polyols of low monol content | Nigel Barksby | 1996-11-19 |
| 5545706 | PTMEG polyurethane elastomers employing monofunctional polyethers | Nigel Barksby | 1996-08-13 |
| 5455374 | Liquification of trans, trans-4,4'-diisocyanate dicyclohexylmethane by partially reacting the isocyanate groups with blocking agents | Scott A. Kane | 1995-10-03 |
| 5288899 | Liquification of diphenylmethane diisocyanate by partially reacting the isocyanate groups with blocking agents | Scott A. Kane, James W. Rosthauser | 1994-02-22 |
| 5233079 | Free flowing solids based on 4,4'diisocyanato dicyclohexylmethane | Peter H. Markusch | 1993-08-03 |
| 5208315 | Elastomers based on 4,4'-diisocyanato dicyclohexylmethane enriched in the trans, trans isomer which contain essentially no chain extenders | — | 1993-05-04 |
| 5175350 | Melt crystallization process for preparing high trans, trans-isomer containing 4,4'-diisocyanato dicyclohexylmethane | Kenneth L. Dunlap, Michael K. Lowery, Terry A. Potter | 1992-12-29 |
| 5071937 | Coating compositions based on blocked polyisocyanates and sterically hindered aromatic polyamines | Terry A. Potter | 1991-12-10 |
| 4983763 | Process for preparing high trans, trans-isomer containing 4,4'-diisocyanato dicyclohexylmethane | Terry A. Potter, Kenneth L. Dunlap | 1991-01-08 |