| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | France | 4 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Materials and metallurgy | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Chemical or physical processes | |
| #2 | Compounds containing metals | |
| #3 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | August Chwala | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB256094A | An improved method of and apparatus for reducing solid bodies to an extremely fine state of division and for the preparation of colloidal solutions | |
| US1573375A | Process for manufacturing colloidal compounds of arsenic | |
| GB197966A | Process for the production of colloidal solutions and reversible dried residues |