| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 4 | |
| #2 | France | 4 | |
| #3 | Sweden | 4 | |
| #4 | Austria | 3 | |
| #5 | Japan | 3 | |
| #6 | Netherlands | 3 | |
| #7 | Brazil | 2 | |
| #8 | Germany | 2 | |
| #9 | Switzerland | 1 | |
| #10 | Italy | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Surface technology and coating | |
| #4 | Macromolecular chemistry and polymers |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Layered products | |
| #3 | Certain plastics | |
| #4 | Special macromolecular compounds | |
| #5 | Roof coverings | |
| #6 | Structural elements | |
| #7 | Fillers | |
| #8 | Compounding processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Syllhofer H | 4 |
| #2 | Sullhofer H | 3 |
| #3 | Semperit Svenska Ab | 2 |
| #4 | Suellhoefer H | 2 |
| #5 | Sempiran Patentverwaltungs Gmb | 2 |
| #6 | Suellhoefer Heinz | 1 |
| #7 | Haintsu Jiyuruhotsufuaa | 1 |
| #8 | Sullhofer Heinz | 1 |
| #9 | Haintsu Zuruhotsufuaa | 1 |
| #10 | Haintsu Jiyuruhoefuaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPS521751A | Method and apparatus for making heat insulation plate | |
| DE2533815A1 | Heat insulating plates - partic, for roof cover, with plastic foam core and sheet metal, asbestos or glass fibre reinforced corrugated reinforcing sheet | |
| DE2531346A1 | METHOD AND DEVICE FOR CONTINUOUS PRODUCTION OF A STRAND OF FOAM |