| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 2 | |
| #2 | Germany | 2 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Spain | 1 | |
| #6 | France | 1 | |
| #7 | Italy | 1 | |
| #8 | Japan | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Sweden | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Surface technology and coating | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Coating compositions | |
| #2 | Processes for applying fluent materials | |
| #3 | Producing decorative effects |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berghofer Theodor | 7 |
| #2 | Beruguhoofuaa Teodoru | 1 |
| #3 | Berghofer Gustav | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4382819A | Drawing and coloring element in form of blackboard-chalk-like stick for producing pictures that can be fixed through application of heat | |
| CH631114A5 | Drawing and painting article in the form of sticks of chalk for the production of pictures which can be fixed by the application of heat | |
| DE2260788A1 | Pictures from polymers on substrates - made by applying powdered resins and heating |