Who is the original patent creator of petroleum cracking catalyst?

Wang Dianzhong, Luo Yibin, Fu Jun, Shu Xingtian, He Mingyuan. The patent of petroleum cracking catalyst is an invention patent, the patent type is mainly classified as C10g 1 1 05, the patent application number is 99 1029623, and the application date is1March 19991/KLOC-.