Smits; Guido F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Smits; Guido F..The latest application filed is for "open-celled rigid polyurethane foam".
- Smits; Guido F. - Wijnegem BE
- Smits; Guido F. - Wijengem BE
| Patent | Date |
|---|---|
| Open-celled rigid polyurethane foam Grant 5,856,678 - Smits , et al. January 5, 1 | 1999-01-05 |
| Open-celled rigid polyurethane foam Grant 5,721,284 - Smits , et al. February 24, 1 | 1998-02-24 |
| Cellular polymer containing perforated cell windows and a process for the preparation thereof Grant 5,250,579 - Smits , et al. October 5, 1 | 1993-10-05 |
| Polyurethane foam prepared with reduced levels of hard halocarbon blowing agents Grant 5,001,164 - Smits , et al. March 19, 1 | 1991-03-19 |
| Foaming system for closed-cell rigid polymer foam Grant 4,997,706 - Smits , et al. March 5, 1 | 1991-03-05 |
| Foaming system for rigid urethane and isocyanurate foams Grant 4,972,003 - Grunbauer , et al. November 20, 1 | 1990-11-20 |
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