Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762746 | Fire-retarding laminated element and a method of controlling expansion of expandable, fire-retarding foaming-agent layers | Edgar Weiss | 1988-08-09 |
| 4657623 | Process and apparatus for the manufacture of tubular hollow bodies and the use thereof | — | 1987-04-14 |
| 4547526 | Flame protection composition comprising aluminum trihydrate, organic binder, and a sulfur compound and a polyurethane foam provided with such flame-protection composition | Manhal Al-Tabaqchali, Edgar Weiss | 1985-10-15 |
| 4496833 | Detection process and apparatus | — | 1985-01-29 |
| 4486553 | Fire-retardant composition and method for producing fire-resistant layers | — | 1984-12-04 |
| 4455396 | Flame protection composition comprising aluminum trihydrate organic binder, and a sulfur compound and a polyurethane foam provided with such flame-protection composition | Manhal Al-Tabaqchall, Edgar Weiss | 1984-06-19 |
| 4292364 | Multi-layer board | Adolf Meyer | 1981-09-29 |