US 11,813,593 B2
Heterogeneous catalyst
Kirk W. Limbach, Dresher, PA (US); Christopher D. Frick, Pottstown, PA (US); Dmitry A. Krapchetov, Lansdale, PA (US); Wen -Sheng Lee, Midland, MI (US); Victor J. Sussman, Midland, MI (US); and Jeffrey A. Herron, Midland, MI (US)
Assigned to Rohm and Haas Company, Collegeville, PA (US); and Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/252,884
Filed by Dow Global Technologies LLC, Midland, MI (US); and Rohm and Haas Company, Collegeville, PA (US)
PCT Filed Jun. 20, 2019, PCT No. PCT/US2019/038147
§ 371(c)(1), (2) Date Dec. 16, 2020,
PCT Pub. No. WO2020/005689, PCT Pub. Date Jan. 2, 2020.
Claims priority of provisional application 62/691,127, filed on Jun. 28, 2018.
Prior Publication US 2021/0121856 A1, Apr. 29, 2021
Int. Cl. B01J 23/52 (2006.01); B01J 21/04 (2006.01); B01J 21/08 (2006.01); B01J 35/00 (2006.01); C07C 67/39 (2006.01); B01J 6/00 (2006.01); B01J 37/03 (2006.01)
CPC B01J 23/52 (2013.01) [B01J 21/04 (2013.01); B01J 21/08 (2013.01); B01J 35/008 (2013.01); C07C 67/39 (2013.01); B01J 6/001 (2013.01); B01J 37/031 (2013.01)] 13 Claims
 
1. A heterogeneous catalyst comprising a support and gold, wherein: (i) said support comprises 0.1 to 15 wt % alumina and 60 to 95 wt % silica, (ii) said catalyst comprises from 0.9 to 4 wt % of gold, (iii) at least 90 wt % of the gold is in the outer 60% of catalyst volume, and (iv) particles of the catalyst have an average diameter from 300 microns to 30 mm; wherein weight percentages are based on weight of the catalyst.