公开(公告)号：US20210197177A1

公开(公告)日：2021-07-01

申请号：US17135515

申请日：2020-12-28

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chao-Huang CHEN ,  Jyun-Da WU ,  Tzong-Shyan LU ,  Ying-Chieh LEE

IPC: B01J23/46 ,  B01J21/10 ,  B01J37/02 ,  B01J35/10 ,  B01J8/02 ,  C07C209/72

Abstract: A catalyst composition for hydrogenating 4,4′-methylenedianiline derivatives is provided. The catalyst composition includes a carrier including aluminum oxide and magnesium oxide, a rhodium-ruthenium active layer loaded on the surface of the carrier, and a solvent including an organic amine. The weight percentage of magnesium oxide in the carrier is between 12% and 30%. A method for preparing 4,4′-methylene bis(cyclohexylamine) derivatives using the catalyst composition is also provided.

公开(公告)号：US20230146325A1

公开(公告)日：2023-05-11

申请号：US17946747

申请日：2022-09-16

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Yen-Chih CHEN ,  Man-Yin LO ,  Hsi-Yen HSU ,  Ying-Chieh LEE ,  Yuan-Peng DU

IPC: B01J23/755 ,  B01J23/10 ,  B01J21/06 ,  B01J35/08 ,  B01J35/00 ,  C07C1/04

CPC classification number: B01J23/755 ,  B01J21/066 ,  B01J23/10 ,  B01J35/006 ,  B01J35/08 ,  B01J35/0013 ,  C07C1/043 ,  C07C2521/06 ,  C07C2523/10 ,  C07C2523/755

Abstract: A catalyst for methanation reaction and a method for preparing methane are provided. The catalyst for methanation reaction includes a core, a shell encapsulating the core, and an active metal. The core includes cerium dioxide (CeO2), the shell includes zirconium dioxide (ZrO2), and the active metal is in particle form and is disposed on an outer surface of the shell layer.

公开(公告)号：US20210197174A1

公开(公告)日：2021-07-01

申请号：US16731783

申请日：2019-12-31

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Chao-Huang CHEN ,  Jyun-Da WU ,  Tzong-Shyan LU ,  Ying-Chieh LEE

IPC: B01J23/46 ,  B01J21/10 ,  B01J21/04 ,  B01J35/10 ,  C07C209/72

Abstract: A catalyst composition for hydrogenating 4,4′-methylenedianiline is provided. The catalyst composition includes a carrier including aluminum oxide and magnesium oxide, a rhodium-ruthenium active layer loaded on the surface of the carrier, and organic amine solvent. The weight percentage of magnesium oxide in the carrier is between 12% and 30%. A method for preparing 4,4′-methylene bis(cyclohexylamine) using the catalyst composition is also provided.

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.