公开(公告)号：US10099978B2

公开(公告)日：2018-10-16

申请号：US15598923

申请日：2017-05-18

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Shu-Hua Chan ,  Hsi-Yen Hsu ,  Chiou-Hwang Lee ,  Ying-Chieh Lee

IPC: C07C29/145 ,  B01J23/46

Abstract: Catalyst for hydrogenation of 1,3-cyclobutanediketone compound is provided, which includes a support and VIIIB group transition metal loaded thereon. The support includes a first oxide powder with a surface wrapped by a second oxide. The first oxide includes silicon oxide, aluminum oxide, zirconium oxide, titanium oxide, zinc oxide, or a combination thereof. The second oxide has a composition of MxAl(1-x)O(3-x)/2, M is alkaline earth metal, and x is from 0.3 to 0.7.

公开(公告)号：US11958929B2

公开(公告)日：2024-04-16

申请号：US17849408

申请日：2022-06-24

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chien-Wei Hsu ,  Jyun-Wei Hong ,  Pao Tsern Lin ,  Shu-Hua Chan

IPC: C07F7/28 ,  C08F4/02 ,  C08F4/64 ,  C08F4/642 ,  C08F4/76 ,  C08F10/02

CPC classification number: C08F4/76 ,  C07F7/28 ,  C08F4/025 ,  C08F10/02

Abstract: An organometallic complex, a catalyst composition employing the same, and a method for preparing polyolefin are provided. The organometallic compound has a structure represented by Formula (I)




wherein M is Ti, Zr, or Hf; X is —O—, or —NR6—; R1 and R2 are independently hydrogen, C1-6 alkyl group, C6-12 aryl group, or R1 and R2 are combined with the carbon atoms, to which they are attached, to form an C6-12 aryl moiety; R3, R4 and R5 are independently fluoride, chloride, bromide, C1-6 alkyl group, C6-12 aryl group, C3-6 hetero aryl group, C7-13 aryl alkyl group or C7-12 alkyl aryl group; and R6 is hydrogen, C6-12 aryl group or C7-12 alkyl aryl group.