| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Australia | 2 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | Finland | 2 | |
| #6 | India | 2 | |
| #7 | Mexico | 2 | |
| #8 | Netherlands | 2 | |
| #9 | Norway | 2 | |
| #10 | New Zealand | 2 | |
| #11 | China | 1 | |
| #12 | Greece | 1 | |
| #13 | Ireland | 1 | |
| #14 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #15 | United States | 1 | |
| #16 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Nitrogenous fertilisers | |
| #2 | Chemical or physical processes | |
| #3 | Rare-earth metal compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cardon Walter Edmond Mathilde | 15 |
| #2 | Vanmarcke Luc Albert | 10 |
| #3 | Kayaert Andre Firmin | 8 |
| #4 | Kayaert Andre F | 2 |
| #5 | Niks Anthon | 1 |
| #6 | Vanmarcke L A | 1 |
| #7 | Van Hijfte Willy Henri Prudent | 1 |
| #8 | Vercruisse Hubert R | 1 |
| #9 | Cardon W E M | 1 |
| #10 | Hijfte Willy Henry Prudent Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL8700913A | Method for manufacturing fertilizer granules | |
| IE881147L | Process for producing fertiliser granules | |
| NL8503443A | Method for preparing a magnesium nitrate containing solution suitable for use in the manufacture of technically stable ammonium nitrate containing fertilizer granules. |