	US 12,065,393 B2
	Gold containing catalyst, method of preparation and use
Nicholas Carthey, Reading (GB); and Peter Johnston, Royston (GB)
Assigned to JOHNSON MATTHEY PUBLIC LIMITED COMPANY, London (GB)
Appl. No. 17/594,403
Filed by JOHNSON MATTHEY PUBLIC LIMITED COMPANY, London (GB)
PCT Filed Jun. 19, 2020, PCT No. PCT/GB2020/051484 § 371(c)(1), (2) Date Oct. 14, 2021, PCT Pub. No. WO2020/254817, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 1908844 (GB), filed on Jun. 20, 2019.
Prior Publication US 2022/0194880 A1, Jun. 23, 2022
Int. Cl. C07C 17/08 (2006.01); B01J 21/18 (2006.01); B01J 31/22 (2006.01); B01J 37/02 (2006.01); B01J 37/04 (2006.01)

CPC C07C 17/08 (2013.01) [B01J 21/185 (2013.01); B01J 31/226 (2013.01); B01J 37/0213 (2013.01); B01J 37/04 (2013.01); B01J 2231/32 (2013.01); B01J 2531/18 (2013.01)]

11 Claims

1. A catalyst comprising:

a complex of gold with a sulphur-containing ligand; and

an additive that is an oxide, hydroxide, oxo-salt, or oxo-acid of silicon;

on a support comprising carbon,

wherein the catalyst contains less than 0.5% of gold by weight based on the total weight of the catalyst; and,

wherein the catalyst has a silicon content of 0.1-10 wt % based on the total weight of the catalyst.