Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36358 | Flame retardant polyurethane foams | Egil Grinbergs, Steven D. Gagnon | 1999-10-26 |
| 4849459 | Flame retardant polyurethane foams | Oscar M. Grace, Steven D. Gagnon | 1989-07-18 |
| 4762950 | Selective oxyalkylaton of N-(2-hydroxyalkyl)-aniline | Alexander Korczak | 1988-08-09 |
| 4745133 | Flame retardant polyurethane foams | Egils Grinbergs, Steven D. Gagnon | 1988-05-17 |
| 4637893 | Delayed co-initiation process for preparing polyol blends | Curtis J. Reichel, Robert J. Hartman | 1987-01-20 |
| 4590225 | Polyurethane products based on alkylene oxide adducts of aniline having reduced viscosity | Alexander Korczak | 1986-05-20 |
| 4562290 | Alkylene oxide adducts of vicinal toluenediamine | Alexander Korczak | 1985-12-31 |
| 4517383 | Alkylene oxide adducts of aniline having reduced viscosity | Alexander Korczak | 1985-05-14 |
| 4487853 | Low ethylene oxide/high primary hydroxyl content polyether-ester polyols and polyurethane foams based thereon | Curtis J. Reichel, Louis C. Pizzini | 1984-12-11 |
| 4430247 | Process for preparing an oxyalkylated product | Arthur L. Austin, Louis C. Pizzini, Robert J. Hartman | 1984-02-07 |
| 4421871 | Propylene oxide adducts of toluenediamine | Alexander Korczak | 1983-12-20 |
| 4391728 | Propylene oxide adducts of toluenediamine | Alexander Korczak | 1983-07-05 |
| 4228247 | Stabilized polyoxyalkylene polyether polyol | Richard A. Moore, Robert J. Hartman, Ralph E. Bloom | 1980-10-14 |
| 4187357 | Process for the preparation of polyurethane foams | Arthur L. Austin, Louis C. Pizzini, Robert J. Hartman | 1980-02-05 |