11 Utility Patents
#1 in Dulmen
#19,808 in Germany
#343,351 in the World
Forward Citations = 136
Company Filing History:
Huls Aktiengesellschaft
Chemische Fabrik Stockhausen Gmbh
4. 1 out of 10
Rwe-dea Aktiengesellschaft Fuer Mineraloel Und Chemie
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