Loading patent…
AssigneesChina Petroleum & Chemical Corporation, Zhejiang University, Sinopec Engineering Incorporation
InventorsWenqing Wu, Yongrong Yang, Jingdai Wang, Binbo Jiang, Guanghai Luo, Shufang Wang
Estimating the term…
A composite catalyst useful in the production of polyethylene, which comprises at least a first catalyst and a second catalyst separated by a polymer layer, with the first catalyst and the second catalyst being identical or different, is described. A composite catalyst useful in the production of polyethylene with a broad molecular weight distribution in a single polymerization reactor, which comprises at least a first catalyst and a second catalyst separated by a polymer layer, with the first catalyst and the second catalyst being different, is also described. A process for preparing said catalysts and a process for the production of a polyethylene by using said catalysts are also described.
A composite catalyst for the production of polyethylene, comprising at least one first catalyst and at least one second catalyst separated by a polymer layer, wherein the at least one first catalyst and the at least one second catalyst are identical or different.
(canceled)
(canceled)
(canceled)
Dependencies are inferred from the claim text.