| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 2 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Ireland | 2 | |
| #6 | Italy | 2 | |
| #7 | Japan | 2 | |
| #8 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Macromolecular chemistry and polymers | |
| #3 | Surface technology and coating | |
| #4 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ferretti Romeo | 6 |
| #2 | Romeo Fueretsutei | 2 |
| #3 | Ferretti R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4376833A | Composition for producing self-supporting stiff expanded materials | |
| US4282125A | Polymer composition with a polyester basis and utilization thereof for the production of transparent flexible laminates with inert and/or fibrous filling materials | |
| DE2930788A1 | COMPOSITION FOR PRODUCING A STIFF, FOAMED MATERIAL |