| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Germany | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Macromolecular chemistry and polymers | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Inorganic treatment materials | |
| #2 | Inorganic compounds | |
| #3 | Compounding ingredients | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Daniell Alton E | 1 |
| #2 | Williams David C | 1 |
| #3 | Smith Norman L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3117016A | Manufacture of carbon black | |
| GB429088A | Improvements in and relating to granules of carbon black | |
| CA650510A | Process and apparatus for producing carbon black | |
| CA648063A | Oil pelleted carbon black |