| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 13 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Textiles and paper | |
| #4 | Materials and metallurgy | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Comet Pierre | 13 |
| #2 | Coulon Francois | 12 |
| #3 | Pierre Comet | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191421892A | Improvements in or relating to the Tinting or Colouring of Paper and other Materials. |