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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2024/0190,713 SYSTEMS AND PROCESSES FOR PRODUCING AMMONIUM SULFATE FROM WASTE STREAMSMay 03, 23Jun 13, 24Not available
2024/0190,716 Systems and Methods to Recover Value-Added Materials from GypsumJan 18, 24Jun 13, 24Davy Powersports Inc.
2023/0303,400 Method For Manufacturing Ammonium Sulphate And Calcium Carbonate From PhosphogypsumJul 28, 21Sep 28, 23OCP SA; Universite Mohamed VI Polytechnique;
2021/0347,648 SYSTEMS AND METHODS TO TREAT FLUE GAS DESULFURIZATION AND METAL-BEARING WASTE STREAMS TO RECOVER VALUE-ADDED MATERIALSJul 21, 21Nov 11, 21Not available
2020/0239,325 Systems and Methods to Treat Flue Gas Desulfurization Waste to Produce Ammonium Sulfate and Calcium Carbonate ProductsJan 22, 20Jul 30, 20Elixsys Inc.
2001/0033,816 Apparatus and method for ammonia removal from waste streamsJan 04, 01Oct 25, 01BATTELLE MEMORIAL INSTITUTE