| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Electrical machinery and energy | |
| #3 | Chemical engineering |
KOPPERS N V has a total of 12 patent applications. Its first patent ever was published in 1940. It filed its patents most often in France. Its main competitors in its focus markets basic materials chemistry, electrical machinery and energy and chemical engineering are OTTO & CO GMBH DR C, WESTS GAS IMPROVEMENT CO LTD and BRONDER GASTON ALOYSIUS.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Electrical machinery and energy | |
| #3 | Chemical engineering |