Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5772936 | Method of reducing pinch deformation and contour lines in polyurethane molded foam employing timed partial pressure release | — | 1998-06-30 |
| 5718856 | Process for manufacturing foam with improved wet set properties | Mark Kinkelaar, James L. Lambach, Robert D. Brasington, Frank E. Critchfield | 1998-02-17 |
| 5549841 | Process for manufacturing foam with improved wet set properties | Mark Kinkelaar, James L. Lambach, Robert D. Brasington, Frank E. Critchfield | 1996-08-27 |
| 5084486 | Reactive feed stream to replace inert blowing agent feed stream in a polyurethane foam process | William Patten, Frank E. Critchfield | 1992-01-28 |
| 4946363 | Mold and mold vent | — | 1990-08-07 |
| 4882107 | Mold release coating process and apparatus using a supercritical fluid | Edmond J. Derderian, Eugene Jarrett, Kenneth A. Nielsen | 1989-11-21 |
| 4717518 | Novel process for making polyurethane products which require reduced crushing in preventing said products from substantially shrinking or changing dimensionally upon cooling | — | 1988-01-05 |
| 4579700 | Novel process for making flexible polyurethane cellular products including a novel cell opening technique | — | 1986-04-01 |