With the analysis among 25 patents, we discovered top 15 key players by total patent application. Phillips Petroleum Co., Mallinckrodt Medical BV, Kurita Water Industries Ltd. are dominant in this area. They take 20.00% of the total patent filing.
Oklahoma, United States
Patent: 2
Rheinland-Pfalz, Germany
Patent: 1
Delaware, United States
Patent: 1
Tianjin Shi, China
Patent: 1
Pennsylvania, United States
Patent: 1
Delaware, United States
Patent: 1
Nordrhein-Westfalen, Germany
Patent: 1
Utah, United States
Patent: 1
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