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On May 31, 2022, Rianlong and its subsidiaries obtained 1 invention patent certificate, the patent name is a method for preparing phenolic benzoate ultraviolet absorber by transesterification
.
The above invention patent belongs to the field of anti-aging additives preparation technology, which is the company's exploration and research to optimize process technology, improve product quality and production efficiency, and is a further development and extension of the company's product preparation technology and technical capabilities
.