12 Utility Patents
#19 in Oberhausen
#18,391 in Germany
#327,534 in the World
Forward Citations = 87
Company Filing History:
Ruhrchemie Aktiengesellschaft


4. 1 out of 3
Karrena Gmbh
5. 1 out of 2
Ruhrchemi Ag
where one patent can have more than one assignee
Get your Inventor Badge Today