16 Utility Patents
#51 in Biberach
#12,148 in Germany
#228,090 in the World
Forward Citations = 164
Company Filing History:
Degussa Aktiengesellschaft
Suncoal Industries Gmbh

4. 2 out of 12
Evonik Carbon Black Gmbh
5. 1 out of 1,534

where one patent can have more than one assignee
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