| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 2 | |
| #2 | Argentina | 1 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Czechoslovakia | 1 | |
| #6 | Germany | 1 | |
| #7 | Spain | 1 | |
| #8 | Finland | 1 | |
| #9 | France | 1 | |
| #10 | Hungary | 1 | |
| #11 | Italy | 1 | |
| #12 | Japan | 1 | |
| #13 | Netherlands | 1 | |
| #14 | Norway | 1 | |
| #15 | Sweden | 1 | |
| #16 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Potuzak Karl | 6 |
| #2 | Toth Karl | 6 |
| #3 | Diehl Karl | 5 |
| #4 | Toth K | 2 |
| #5 | Diehl K | 2 |
| #6 | Potuzak K | 2 |
| #7 | Diehl Karl Dipl Ing | 2 |
| #8 | Kaaru Tootou | 1 |
| #9 | Potuzak Karl Ing | 1 |
| #10 | Kaaru Deiiru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1080652A | Process for treating acid tar | |
| CS212769B2 | Method of processing acidic tar left after the mineral oil refining | |
| ES448860A1 | Method and a device for the neutralisation and combustion of acid tar |