公开(公告)号：US11046632B2

公开(公告)日：2021-06-29

申请号：US16956957

申请日：2018-12-05

Applicant: BASF SE

Inventor： Nicolas Vautravers ,  Michaela Fenyn ,  Joseph John Zakzeski ,  Joaquim Henrique Teles

IPC: C07C45/29 ,  C07C45/38 ,  B01J23/42 ,  B01J21/18 ,  C07C47/21

Abstract: Process for the preparation of 3-methyl-2-buten-1-al, wherein 2-methyl-3-buten-2-ol is reacted to 3-methyl-2-buten-1-al in the presence of a catalyst, wherein the catalyst comprises a catalytically active metal and wherein the reaction is conducted at a pH of ≤7.

公开(公告)号：US11512046B2

公开(公告)日：2022-11-29

申请号：US16499686

申请日：2018-04-04

Applicant: BASF SE

Inventor： Sven Titlbach ,  Andreas Kuschel ,  Carlos Lizandara ,  Stephan A Schunk ,  Joerg Rother ,  Juergen Bechtel ,  Nedko Stefanov Drebov ,  Stefan Maixner ,  Matthias Hinrichs ,  Mohamed Halabi ,  Imke Britta Mueller ,  Michaela Fenyn

IPC: C07C263/14 ,  B01J23/656 ,  B01J23/889 ,  B01J37/02 ,  B01J37/08

Abstract: A process for preparing an aromatic isocyanate by direct carbonylation of a nitro aromatic compound by reacting the nitro aromatic compound with carbon monoxide in the presence of a catalyst, characterized in that the catalyst contains a multi metallic material comprising one or more binary intermetallic phases of the general formula AxBy wherein: A is one or more element selected from Ni, Ru, Rh, Pd, Ir, Pt and Ag, B is one or more element selected from Sn, Sb, Pb, Zn, Ga, In, Ge and As, x is in the range 0.1-10, y in is in the range 0.1-10.

公开(公告)号：US11111197B2

公开(公告)日：2021-09-07

申请号：US16956972

申请日：2018-12-05

Applicant: BASF SE

Inventor： Michaela Fenyn ,  Joseph John Zakzeski ,  Nicolas Vautravers ,  Joaquim Henrique Teles

IPC: C07C45/38 ,  B01J23/42 ,  B01J23/44 ,  B01J23/52 ,  C07C47/21

Abstract: Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols in the presence of a liquid phase.

公开(公告)号：US10532970B2

公开(公告)日：2020-01-14

申请号：US16307540

申请日：2017-06-27

Applicant: BASF SE

Inventor： Nicolas Vautravers ,  Joaquim Henrique Teles ,  Andreas Keller ,  Michaela Fenyn

IPC: C07C45/38 ,  B01J23/00 ,  B01J23/42 ,  B01J21/18

Abstract: Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols where the oxidant is oxygen in the presence of a catalyst comprising platinum on a support in the presence of a liquid phase which contains at least 25 weight-% water based on the total weight of the liquid phase.