公开(公告)号：US10919837B2

公开(公告)日：2021-02-16

申请号：US16083594

申请日：2017-03-10

Applicant: RHODIA OPERATIONS

Inventor： Lin Fang ,  Zhen Yan ,  Javier Diaz-Maroto Carpintero

IPC: C07C209/16 ,  B01J23/755 ,  B01J29/70 ,  B01J23/46 ,  B01J29/08 ,  B01J29/74 ,  B01J37/02 ,  B01J29/10 ,  B01J29/12 ,  B01J29/22 ,  B01J29/24 ,  B01J29/44 ,  B01J29/46 ,  B01J29/76 ,  C07C209/18 ,  C07C211/03 ,  C07C211/09 ,  C07C211/26

Abstract: The present invention concerns a process for forming a primary or a secondary amine via amination reaction comprising: reacting an alcohol with an amine in the presence of a zeolite comprising a transition metal chosen in the group consisting of Group 8 to 12 elements of the Periodic Table and any combination thereof.

公开(公告)号：US09663446B2

公开(公告)日：2017-05-30

申请号：US15027727

申请日：2013-10-15

Applicant: RHODIA OPERATIONS ,  Centre National De La Recherche Scientifique

Inventor： Zhen Yan ,  Mohamad Ousmane ,  Marc Pera-Titus ,  Floryan DeCampo

IPC: C07C209/18 ,  C07C209/16 ,  C07D215/06 ,  C07D307/14 ,  C07D307/52 ,  B01J23/63 ,  B01J35/10 ,  B01J37/02

CPC classification number: C07C209/18 ,  B01J23/63 ,  B01J35/1019 ,  B01J37/0201 ,  C07C209/16 ,  C07C2601/16 ,  C07D215/06 ,  C07D307/14 ,  C07D307/52 ,  C07C211/48 ,  C07C211/12 ,  C07C211/11 ,  C07C211/09 ,  C07C211/10 ,  C07C211/27 ,  C07C211/45

Abstract: Disclosed is a process for preparing a primary, a secondary or a tertiary amine via the direct amination of an alcohol in the presence of a catalyst. The catalyst is composed of palladium or a palladium compound and a cerium oxide supporter.

公开(公告)号：US11753362B2

公开(公告)日：2023-09-12

申请号：US17612088

申请日：2019-06-04

Applicant: RHODIA OPERATIONS

Inventor： Zhen Yan ,  Bright Kusema ,  Sergio Mastroianni ,  Stéphane Streiff ,  Philippe Marion

IPC: C07C51/27

CPC classification number: C07C51/27 ,  C07C51/27 ,  C07C59/06 ,  C07C51/27 ,  C07C59/153

Abstract: The present invention relates to a method of synthesizing at least one organic acid comprising oxidizing glycolaldehyde with nitric acid in the presence of a solvent. Advantageously, it is an industrially applicable process, which prepares organic acid, notably glycolic acid and/or glyoxylic acid in a high yield based on bio-based feedstocks.

公开(公告)号：US10207980B2

公开(公告)日：2019-02-19

申请号：US15525632

申请日：2014-11-10

Applicant: RHODIA OPERATIONS ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE

Inventor： Zhen Yan ,  Marc Pera Titus ,  Armin T. Liebens

IPC: C07C209/16 ,  B01J23/44 ,  B01J23/63

Abstract: Providing a process for forming an amine, such as a primary, a secondary or a tertiary amine, via the direct amination of an alcohol using a catalyst comprising at least a palladium compound on a support comprising cerium oxide.