MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517045933 A) filed by Sennics Co. Ltd., Shanghai, on May 13, for 'polyalkyl p-phenylenediamine anti-aging agent, and intermediate thereof and preparation method therefor.'
Inventor(s) include Xing, Jinguo; Guo, Xiangyun; Liang, Gan; Zhang, Jiaqiang; and Tang, Zhimin.
The application for the patent was published on June 6, under issue no. 23/2025.
According to the abstract released by the Intellectual Property India: "Provided are a polyalkyl p-phenylenediamine anti-aging agent having a structure as shown in formula I, and an intermediate thereof and a preparation method therefor. The polyalkyl p-phenylenediamine anti-aging agent has good thermo-ox...