Seoul, April 2 -- Korea Kumho Petrochemical has filed a patent application for 2 dispersion stabilizer based on at least two types of polyols and method for preparing the same. This invention was developed by Park Jin Woo, Kim Gi Jung, Kim Seul Gi and Song Jae Yeong. The patent application number is KR20220098411 20220808. Th..

Taipei, April 1 -- China Petrochemical Technology Development has been awarded a patent for grading system and application of hydrogenation catalyst and grading method of hydrogenation catalyst. This invention was developed by Yang Zhan-lin, Ding Si-jia, Liu Yi, Peng Shao-zhong, Wang Hui-gang, Jiang Hong, Wang Ji-feng, Wang Fang..

Taipei, March 29 -- China Petrochemical Technology Development has been granted a patent for method for selectively and continuously producing 2-methylpyridine and diphenylamine from aniline. Li Hao-meng, Zhao Xiang-yu, Wang Li-bo, Qi Wen-bo, Wang Zhen-yu, Li Lan-peng and Ai Fu-bin developed the invention. The patent applicat..

Taipei, March 29 -- Taiwan Patent Office has awarded a patent to China Petrochemical Technology for catalyst having monolithic structure for reducing emission of nox in flue gas, preparation method therefor, and use method therefor. Song Haitao, Jiang Qiuqiao, Tian Huiping, Lin Wei, Yan Jiasong, Wang Peng, Zhang Jiushun and Da Z..

Beijing, March 28 -- Hengli Petrochemical Dalian Chemical Co Ltd has been granted a patent for ethylene glycol intermediate tank area dealdehyding system. This invention was developed by E Erdeng Dalai, Xu Jin, Hu Tiansheng, Pang Haitao, Jiang Guoqing, Wu Hua, Cheng Yao, Yang Jun, Wang Zhen, Wei Hailong and Jiao Zeyu. The pat..