Dongjiang Environmental Co Ltd: Patents

View up-to-date information on Dongjiang Environmental Co Ltd patents, including inventor and filing insights.

Patent Trends

Publication Identifier	Document Type	Title	Classification-CPC	Publication Date
WO2022141045A1	Application	PREPARATION METHOD FOR ELECTRONIC-GRADE COPPER CHLORIDE DIHYDRATE	C01G3/00; C01G3/05	July 07, 2022
WO2022141147A1	Application	METHOD FOR RESOURCE TREATMENT OF CHEMICAL NICKEL-PLATING WASTE LIQUID	C01B25/37; C01G53/04; C02F2101/10; C02F2103/16; C02F9/00; C23C18/16; C25B1/20	July 07, 2022
CN114014485A	Application	Treatment method of hazardous waste landfill leachate	C02F1/04; C02F1/5245; C02F1/66; C02F2001/5218; C02F2103/06; C02F9/00	February 08, 2022
CN113578920A	Application	Fly ash treatment system and method	B08B3/12; B09B3/00; A62D3/33; A62D3/30; A62D2101/08; A62D3/32; A62D3/34; B09B5/00	November 02, 2021
CN113546446A	Application	Method for recycling copper in BCC synthesis mother liquor by using cationic resin	B01D15/362; B01J39/16; B01J49/60; C22B15/0084; C22B3/24; C22B3/42; C22B7/006; Y02P10/20	October 26, 2021

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