HR

Helmut Roth

EG Evonik Degussa Gmbh: 1 patents #67 of 293Top 25%
📍 Mainaschaff, DE: #1 of 1 inventorsTop 100%
Overall (2011): #288,616 of 364,097Top 80%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7862797 Mixed oxide powder comprising alkali metal oxide, and silicone rubber comprising this powder Kai Schumacher, Rainer Golchert, Helmut Mangold, Mario Scholz 2011-01-04