With 607 Water Management related patents published between 2002 and 2022, Ecolab Inc holds the most number of Water Management patents in the global Chemicals sector, of which 46.3% was contributed by its subsidiary Ecolab USA Inc..
The second largest number of Water Management related patents were published by Dow Inc with 569 patents, of which 77.9% was contributed by its subsidiary Dow Global Technologies, LLC. The third largest number of Water Management related patents were published by BASF SE with 317 patents. The fourth largest number of Water Management related patents were published by Omya International AG with 259 patents. The fifth largest number of Water Management related patents were published by Kemira Oyj with 205 patents.
The top five patent holders, i.e., Ecolab Inc, Dow Inc, BASF SE, Omya International AG, and Kemira Oyj, together held 1,957 Water Management patents during the period.
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