| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Italy | 2 | |
| #5 | Netherlands | 2 | |
| #6 | Switzerland | 1 | |
| #7 | Spain | 1 | |
| #8 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Separation | |
| #3 | Non-metallic elements | |
| #4 | Building materials | |
| #5 | Chemical or physical processes | |
| #6 | Certain plastics | |
| #7 | Fillers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duijn Eddy Van | 2 |
| #2 | Oudenijk Jan | 1 |
| #3 | Van Duijn E | 1 |
| #4 | Westen Jan Cornelis Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL7405662A | Method for activating or reactivating carbon parties in a liquid bed and apparatus for carrying out that method | |
| FR2140536A1 | Porous sieve body - with edge reinforcement provided by filling edge region with another eg elastomer material | |
| NL167609B | Method for manufacturing porous articles of active cobbells binded with binders |