Suqian Liansheng: Obtained 2 invention patents including "3-butanone amine catalyst".

Suqian Liansheng announced that the company has recently obtained 2 invention patent certificates issued by the State Intellectual Property Office, namely "a catalyst for fixing bed synthesis of acetone cyanohydrin and its preparation method" and "a graphite felt anode material and its preparation method and application", with patent numbers ZL 2024 1 0458555.4 and ZL 2023 1 0759662.6 respectively. The announcement date of authorization for both patents is July 24, 2026, and the term of the patents is 20 years. These patents will not have a significant impact on the company's recent production and operation, but will contribute to improving the intellectual property protection system and enhancing core competitiveness.