Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693687 | Extruded open-cell alkenyl aromatic polymer foam and process for making | Daniel D. Imeokparia, Creston D. Shmidt | 1997-12-02 |
| 5679718 | Microcellular foams containing an infrared attenuating agent and a method of using | Michio Yamada, Creston D. Shmidt, Daniel D. Imeokparia | 1997-10-21 |
| 5674916 | Extruded, open-cell microcellular alkenylaromatic polymer foams and process for making | Creston D. Shmidt, Daniel D. Imeokparia | 1997-10-07 |