| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United States | 3 | |
| #3 | South Africa | 2 | |
| #4 | Australia | 1 | |
| #5 | German Democratic Republic | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Spain | 1 | |
| #8 | Hungary | 1 | |
| #9 | Japan | 1 | |
| #10 | Poland | 1 | |
| #11 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Macromolecular chemistry and polymers | |
| #2 | Materials and metallurgy | |
| #3 | Basic materials chemistry | |
| #4 | Civil engineering | |
| #5 | Environmental technology | |
| #6 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hilterhaus Karl-Heinz | 13 |
| #2 | Norkus Hans | 10 |
| #3 | Bode Harald | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3625278A1 | METHOD FOR PRODUCING INORGANIC-ORGANIC FOAMS | |
| DE3421085C1 | Process for solidifying and sealing coal and / or rock and earth formations | |
| DE3421086A1 | ORGANOMINERAL PRODUCTS, METHOD FOR THEIR PRODUCTION AND THEIR USE |