Franz-Josef Dietzen
17Patents
8h-index
41Co-inventors
72Inventor score
Filing activity: Aug 3, 1990 → Dec 17, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5453454A | Production of foam boards of high compressive strength from styrene polymers | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5576094A | Foam boards produced using halogen-free blowing agents | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6444714B1 | Method for producing expandable polystyrene particles | Chemistry; Metallurgy | 13 | Expired |
| US6420442B1 | Flame-proofed polystyrene foamed materials | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6703431B2 | Flexible open-celled microcellular polymer foams | Chemistry; Metallurgy | 12 | Expired |
| US7045082B2 | Production of foam webs from high-temperature-resistant polysulfones or polyether sulfones | Chemistry; Metallurgy | 11 | Expired |
| US6521672B1 | Open-cell particulate foams | Chemistry; Metallurgy | 11 | Expired |
| US7655705B2 | Open-cell foam composed of high-melting point plastics | Performing Operations; Transporting | 9 | Expired |
| US5091126A | Preparation of expandable granules, and the production of foams therefrom | Chemistry; Metallurgy | 8 | Expired |
| US5744505A | Prefoamed polyolefin beads produced by extrusion | Chemistry; Metallurgy | 6 | Expired |
| US6448300B1 | Expandable olefin bead polymers | Chemistry; Metallurgy | 4 | Expired |
| US6476089B1 | Expandable olefin bead polymers | Chemistry; Metallurgy | 3 | Expired |
| US7776244B2 | Method for producing expandable polystyrene | Chemistry; Metallurgy | 2 | Expired |
| US7868053B2 | Expandable polystyrene granulates with a bi- or multi-modal molecular-weight distribution | Chemistry; Metallurgy | 1 | Active |
| US6727291B2 | Preparation of expandable propylene polymer beads | Chemistry; Metallurgy | 1 | Expired |
| US10232556B2 | Method for producing multi-layered thermoplastic plates by means of thermal welding of different plates | Performing Operations; Transporting | 0 | Active |
| US10000014B2 | Method for producing thermoplastic foam panels by means of at least two heating elements offset in parallel with each other | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.