Nafziger; John L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nafziger; John L..The latest application filed is for "flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof".
- Nafziger; John L. - Lake Jackson TX
| Patent | Date |
|---|---|
| Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof Grant 5,312,888 - Nafziger , et al. May 17, 1 | 1994-05-17 |
| Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof Grant 5,290,818 - Nafziger , et al. March 1, 1 | 1994-03-01 |
| Process for preparing viscosity-stabilized reactive toluene diisocyanate distillation residues and blends thereof Grant 5,216,042 - Daussin , et al. June 1, 1 | 1993-06-01 |
| Process for preparing polyols Grant 4,282,387 - Olstowski , et al. August 4, 1 | 1981-08-04 |
| Stabilization of polyisocyanates against discoloration Grant 4,064,157 - Nafziger , et al. December 20, 1 | 1977-12-20 |
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