| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | Austria | 2 | |
| #4 | France | 2 | |
| #5 | Germany | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Ammonia or cyanogen | |
| #2 | Climate change mitigation in goods production | |
| #3 | Inorganic compounds | |
| #4 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pranke Edward J | 6 |
| Publication | Filing date | Title |
|---|---|---|
| DE619823C | Process for the production of white alkali metal cyanides | |
| GB398454A | Improvements in or relating to the production of alkali metal cyanids | |
| US1947570A | Treatment of sodium calcium cyanide | |
| US1961569A | Process of producing cyanides | |
| US1925338A | Process of producing phosphorus and phosphoric oxides | |
| CA344726A | White cyanid | |
| CA347192A | Cyanid production | |
| CA338020A | Cyanid dehydrating process |