公开(公告)号：US20230203211A1

公开(公告)日：2023-06-29

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: C08F4/76 ,  C08F4/02 ,  C08F10/02

CPC classification number: C08F4/76 ,  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.

公开(公告)号：US20200247989A1

公开(公告)日：2020-08-06

申请号：US16778647

申请日：2020-01-31

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Cheng-Jyun HUANG ,  Chiou-Hwang LEE ,  Guang-Way JANG ,  Shu-Hua CHAN ,  Shu-Chen LI

IPC: C08L67/02 ,  C08G63/183

Abstract: A polyester is provided, which is formed by copolymerizing (a) diacid or diester and (b) diol, wherein (a) diacid or diester includes (a1) and (a2) or a combination thereof, and each of R1 is independently H or C1-10 alkyl group, wherein (b) diol includes (b1) 1,6-hexanediol and (b2) 2,2,4,4-tetramethyl-1,3-cyclobutanediol, 1,4-cyclohexane dimethanol, tricyclo[5.2.1.0(2,6)]decanedimethanol, or a combination thereof, and (b1) 1,6-hexanediol and (b2) 2,2,4,4-tetramethyl-1,3-cyclobutanediol, 1,4-cyclohexane dimethanol, tricyclo[5.2.1.0(2,6)]decanedimethanol, or a combination thereof have a molar ratio (b1/b2) of 75:25 to 92:8.

公开(公告)号：US20170334815A1

公开(公告)日：2017-11-23

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 ,  C07C2601/04

CPC classification number: C07C29/145 ,  B01J23/462 ,  C07C2601/04 ,  C07C31/274

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：US20210187483A1

公开(公告)日：2021-06-24

申请号：US16720981

申请日：2019-12-19

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE ,  CHUNG HWA CHEMICAL INDUSTRIAL WORKS, LTD.

Inventor： Shu-Hua CHAN ,  Hsi-Yen HSU ,  Chien-Wei HSU ,  Yen-Horng TSOU ,  Shi-Hung HSU

IPC: B01J23/54 ,  C07C51/36

Abstract: A method of hydrogenating unsaturated compound with multi-carboxylic acid groups is provided, which includes introducing hydrogen to an unsaturated compound with multi-carboxylic acid groups in the presence of a catalyst to hydrogenate the alkene or alkyne group of the unsaturated compound with multi-carboxylic acid groups without hydrogenating the carboxylic acid groups of the unsaturated compound with multi-carboxylic acid groups. The catalyst includes a support, and palladium and metal oxide loaded on the support.