Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312888 | Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof | Steven B. Lowenkron, Charles E. Koehler, Bruce Stevens | 1994-05-17 |
| 5290818 | Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof | Steven B. Lowenkron, Charles E. Koehler, Bruce Stevens | 1994-03-01 |
| 5216042 | Process for preparing viscosity-stabilized reactive toluene diisocyanate distillation residues and blends thereof | Rory D. Daussin, Steven B. Lowenkron | 1993-06-01 |
| 4996351 | Process for reducing the quantity of hydrolyzable chlorides in isocyanates | Mark J. Hazelrigg, Jr. | 1991-02-26 |
| 4904704 | Rigid foams prepared from treated toluene diisocyanate residue | Steven B. Lowenkron, Charles E. Koehler, Debkumar Bhattacharjee | 1990-02-27 |
| 4554378 | Process for preparing polyamines with ion exchange resin catalysts | Laura A. Rader, Irwin John Seward, Jr. | 1985-11-19 |
| 4552902 | Process for preparing stable solutions of trimerized isocyanates in monomeric polyisocyanates | Mark A. Snyder, Larry W. Mobley | 1985-11-12 |
| 4552903 | Flexible polyurethane foams prepared from cotrimers of alkylene-bridged polyphenylene polyisocyanates | Mark A. Snyder, Larry W. Mobley | 1985-11-12 |
| 4282387 | Process for preparing polyols | Franciszek Olstowski | 1981-08-04 |