Udo Gropp and Patent Free People Check 

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US Patent Issued to Evonik Rohm on Aug. 12 for "Reactor for Preparing...

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ALEXANDRIA, Va., Aug United States Patent no. 8,802,020, issued on Aug. 12, was assigned... | Article from US Fed News Service, Including US State News...

Wipo Publishes Patent of Evonik Rohm, Arndt Selbach, Andreas Perl,...

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GENEVA, Oct Publication No. WO was published on Oct. 3.Title of the invention:... | Article from US Fed News Service, Including US State News...
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