21 Utility Patents
#1 in Gründau
#7,915 in Germany
#157,899 in the World
Forward Citations = 326
Company Filing History:
Degussa Aktiengesellschaft
Degussa - Huls Ag
Evonik Carbon Black Gmbh
4. 2 out of 832,627 patents
Other
5. 1 out of 1,242

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