公开(公告)号：US11964259B2

公开(公告)日：2024-04-23

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: C07C209/72 ,  B01J8/02 ,  B01J21/10 ,  B01J23/46 ,  B01J35/61 ,  B01J37/02

CPC classification number: B01J23/464 ,  B01J8/0242 ,  B01J21/10 ,  B01J35/615 ,  B01J37/0234 ,  C07C209/72 ,  B01J2523/821 ,  B01J2523/822

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：US09321744B1

公开(公告)日：2016-04-26

申请号：US14752107

申请日：2015-06-26

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Hsi-Yen Hsu ,  Yi-Chang Liu ,  Jyun-Da Wu

IPC: C07D307/36 ,  C07D307/68

CPC classification number: C07D307/68

Abstract: Method for preparing 2,5-furan dicarboxylic acid is provided, which includes contacting a furan composition with an oxidant in the presence of a catalyst system. The furan composition includes a first compound and a second compound. The first compound is a compound of Formula 1: In Formula 1, R1 is C1-9 alkyl group. The second compound is a compound of Formula 2, a compound of formula 3, a compound of Formula 4, a compound of Formula 5, or combinations thereof. In Formula 3, R2 is C1-9 alkyl group. The 2,5-furan dicarboxylic acid is a compound of Formula 6.

Abstract translation: 提供了制备2,5-呋喃二羧酸的方法，其包括在催化剂体系存在下使呋喃组合物与氧化剂接触。 呋喃组合物包括第一化合物和第二化合物。 第一种化合物是式1的化合物：在式1中，R 1是C 1-19烷基。 第二化合物是式2化合物，式3化合物，式4化合物，式5化合物或其组合。 在式3中，R 2为C 1-19烷基。 2,5-呋喃二羧酸是式6的化合物。