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Shandong Shengao Chemical Industry Co., Ltd. is an important rubber additive production base in China. The new method of nucleophilic aromatic rings replacing hydrogen and the new method of liquid hydrogen catalytic hydrogenation The successful development of a new process for the continuous preparation of RT accompany was a pioneering activity in China's rubber chemicals production industry. It directly promoted the upgrading of product quality in the rubber tire industry and ended its use. The anti-aging agent for radial tires relies on imports, which has a positive effect on the formulation and revision of new technical standards for rubber chemicals in China.
It is understood that this invention has applied for patents in the United States, Europe, India, Japan, South Korea and Canada since 2004. At present, the company has 10 domestic invention patents, 2 utility model patents, 8 international invention patents, and a number of patents that have passed the European Patent Office's examination and have entered the national examination and approval stage.
4-aminodiphenylamine Preparation Patent Award
Shandong Shengao Chemical Industry Co., Ltd. applied for a patent for the preparation of 4-aminodiphenylamine (RT company) (patent No.4). Recently, it won the 10th China Patent Award for Excellence in the State Intellectual Property Office. This is another honor after the invention patent has won the first prize of the 9th Shandong Patent Award.