| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 2 | |
| #2 | Netherlands | 2 | |
| #3 | Sweden | 2 | |
| #4 | United States | 2 | |
| #5 | Belgium | 1 | |
| #6 | Canada | 1 | |
| #7 | Germany | 1 | |
| #8 | Denmark | 1 | |
| #9 | France | 1 | |
| #10 | Ireland | 1 | |
| #11 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Nitrogenous fertilisers | |
| #2 | Chemical or physical processes | |
| #3 | Phosphatic fertilisers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wadsted B | 5 |
| #2 | Wadsted Bengt | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB1270359A | Process for the production of a fertilizer containing nitrogen, magnesium and calcium | |
| IE32126L | Fertilizer for cereals and process for its manufacture | |
| CA851109A | Fertilizer for cereals and process for its manufacture |