With 168 patents held between 2002 and 2022, RAG-Stiftung holds the most number of Nano Tech patents in the Chemicals sector in the Europe region, of which 91.1% was contributed by Evonik Operations GmbH.
The second largest number of patents were held by BASF SE with 144 Nano Tech patents. The third largest number of patents were held by Arkema SA with 111 Nano Tech patents, of which 80.2% was contributed by ARKEMA FRANCE. The fourth largest number of patents were held by Centre National de la Recherche Scientifique with 111 Nano Tech patents. The fifth largest number of patents were held by Solvay SA with 79 Nano Tech patents, of which 40.5% was contributed by Rhodia Chimie S.A.S.
The top five patents holders, i.e., RAG-Stiftung, BASF SE, Arkema SA, Centre National de la Recherche Scientifique, and Solvay SA, together held 613 Nano Tech patents during the period.
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