Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593385 | Halogen-free, pentane-blown, flame-retardant rigid polyurethane foam and a process for its production | Wilfried Krieger | 2003-07-15 |
| 6518325 | Halogen-free, water-blown, flame-retardant rigid polyurethane foam and a process for its production | Wilfried Krieger | 2003-02-11 |