Shandong Haihua Group has obtained a patent for a method of preparing and using an ethylbenzene catalyst resistant to sintering and carbon deposition

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According to news from April 4, 2025, **information from the Intellectual Property Office shows that Shandong Haihua Group Co., Ltd. has obtained a patent titled “A Method for Preparing and Using an Ethylbenzene Catalyst Resistant to Sintering and Carbon Deposition,” with the approval number CN 119368223 B. The application was filed in December 2024. According to Tianyancha data, Shandong Haihua Group Co., Ltd., founded in 1996 and located in Weifang, is a company that mainly engages in the manufacturing of chemical raw materials and chemical products. The registered capital of the enterprise is 724.49480362 million RMB, and the paid-in capital is also 724.49480362 million RMB. According to the big data analysis conducted by Tianyancha, Shandong Haihua Group Co., Ltd. has made investments in 28 companies in total, participated in 5,000 bidding projects. In terms of property-related information, it has 8 trademark records and 322 patent records; furthermore, the company holds 76 administrative licenses.