Peffley; Richard D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Peffley; Richard D..The latest application filed is for "polyisocyanate compositions containing rigid compounds or polymers, and polyurethanes prepared therefrom".
- Peffley; Richard D. - Lake Jackson TX
| Patent | Date |
|---|---|
| Polyisocyanate compositions containing rigid compounds or polymers, and polyurethanes prepared therefrom Grant 4,894,403 - Thomas , et al. January 16, 1 | 1990-01-16 |
| Flexible polyurea or polyurea-polyurethane foams prepared from high equivalent weight amine-terminated compounds Grant 4,845,133 - Priester, Jr. , et al. July 4, 1 | 1989-07-04 |
| Polyurea polymers prepared from urea containing prepolymers Grant 4,686,242 - Turner , et al. August 11, 1 | 1987-08-11 |
| Reaction injection molded polyureas employing high molecular weight amine-terminated polyethers Grant 4,642,320 - Turner , et al. February 10, 1 | 1987-02-10 |
| Reaction injection molded polyurethanes employing high molecular weight polyols Grant 4,530,941 - Turner , et al. July 23, 1 | 1985-07-23 |
| Compatible polyol blends Grant 4,485,032 - Olstowski , et al. November 27, 1 | 1984-11-27 |
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