With the analysis among 203 patents, we discovered top 32 key players by total patent application. Bayer AG, J. R. Geigy AG, IG Farbenindustrie AG are dominant in this area. They take 41.38% of the total patent filing.
Nordrhein-Westfalen, Germany
Patent: 31
Hessen, Germany
Patent: 22
Hessen, Germany
Patent: 16
Imperial Chemical Industries Ltd.
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With the analysis among related 1 patents applied in the last 5 years. We discover 1 most active companies in this area.
Henan Sheng, China
Patent: 1
With the analysis among related 1 patents in last 5 years, we discover 1 new entrants.
Henan Sheng, China
Patent: 1
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