128 Utility Patents
#1 in Freigericht
#191 in Germany
#5,611 in the World
Forward Citations = 482
Company Filing History:
Degussa Aktiengesellschaft
Degussa - Huls Ag

4. 4 out of 1,242

5. 3 out of 831,952 patents
Other
where one patent can have more than one assignee
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