MUMBAI, India, July 31 -- Intellectual Property India has published a patent application (202637082930 A) filed by China Petroleum & Chemical Corporation; and Sinopec Dalian Research Institute Of Petroleum And on July 06, 2026, for Method For Co-Producing Diphenylamine And Quinoline.

Inventors include Zhao, Xiangyu; Qi, Wenbo; Ai, Fubin; Li, Haomeng; and Li, Lanpeng.

The application for the patent was published on July 24, 2026, under issue no. 30/2026.

Abstract: The present invention belongs to the technical field of fine chemical engineering, and particularly relates to a method for co-producing diphenylamine and quinolone. The method comprises: subjecting aniline and a catalyst to a contact reaction in the presence of propylene, so as to obtain a reaction product containing diphenylamine and quinoline. In the method provided in the present invention, by introducing propylene into a reaction system, diphenylamine and quinoline can be co-produced, the conversion rate of aniline is high, and the total selectivity of the diphenylamine and quinoline is high.

Disclaimer: Curated by HT Syndication.