With 84 patents held between 2002 and 2022, BASF SE holds the most number of Circular Economy patents in the Oil & Gas sector in the Europe region.
The second largest number of patents were held by Solvay SA with 74 Circular Economy patents, of which 29.7% was contributed by Rhodia Operations SASU. The third largest number of patents were held by CEA with 49 Circular Economy patents. The fourth largest number of patents were held by Halliburton Co with 41 Circular Economy patents. The fifth largest number of patents were held by Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung eV with 34 Circular Economy patents, of which 91.2% was contributed by Fraunhofer-Gesellschaft.
The top five patents holders, i.e., BASF SE, Solvay SA, CEA, Halliburton Co, and Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung eV, together held 282 Circular Economy patents during the period.
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