US 11,896,965 B2
Chromium complex and catalyst therefrom
Jerzy Klosin, Midland, MI (US); Kara A. Milbrandt, Freeland, MI (US); Scott D. Boelter, Saginaw, MI (US); David R. Wilson, Midland, MI (US); Mari S. Rosen, Midland, MI (US); Dean M. Welsh, Midland, MI (US); Peter M. Margl, Midland, MI (US); Kyoung Moo Koh, Midland, MI (US); David M. Pearson, Lake Jackson, TX (US); and Rafael Huacuja, Rosharon, TX (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Filed by Dow Global Technologies LLC, Midland, MI (US)
Filed on Oct. 14, 2022, as Appl. No. 17/966,176.
Application 16/235,124 is a division of application No. 15/557,886, granted, now 10,207,262, issued on Feb. 19, 2019, previously published as PCT/US2016/021700, filed on Mar. 10, 2016.
Application 17/966,176 is a continuation of application No. 17/232,288, filed on Apr. 16, 2021, granted, now 11,491,474.
Application 17/232,288 is a continuation of application No. 16/235,124, filed on Dec. 28, 2018, granted, now 10,981,156, issued on Apr. 20, 2021.
Claims priority of provisional application 62/133,016, filed on Mar. 13, 2015.
Prior Publication US 2023/0112954 A1, Apr. 13, 2023
Int. Cl. B01J 31/24 (2006.01); B01J 31/14 (2006.01); B01J 31/18 (2006.01); C07C 2/36 (2006.01); C07F 9/6568 (2006.01); C07F 9/6584 (2006.01); C07F 11/00 (2006.01); C07F 17/02 (2006.01); C07F 9/6571 (2006.01); B01J 31/22 (2006.01)
CPC B01J 31/2433 (2013.01) [B01J 31/143 (2013.01); B01J 31/188 (2013.01); B01J 31/2208 (2013.01); B01J 31/2438 (2013.01); B01J 31/2457 (2013.01); B01J 31/2476 (2013.01); B01J 31/2495 (2013.01); C07C 2/36 (2013.01); C07F 9/6568 (2013.01); C07F 9/6571 (2013.01); C07F 9/65683 (2013.01); C07F 9/65685 (2013.01); C07F 9/65842 (2013.01); C07F 9/65844 (2013.01); C07F 9/65846 (2013.01); C07F 9/65848 (2013.01); C07F 9/657154 (2013.01); C07F 11/005 (2013.01); C07F 17/02 (2013.01); B01J 2231/20 (2013.01); B01J 2531/62 (2013.01); B01J 2540/10 (2013.01); B01J 2540/22 (2013.01); B01J 2540/225 (2013.01); B01J 2540/30 (2013.01); B01J 2540/34 (2013.01); B01J 2540/444 (2013.01); C07C 2531/14 (2013.01); C07C 2531/18 (2013.01); C07C 2531/24 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A catalyst comprising a) a source of chromium; b) an activator; and c) a phosphacycle-containing ligating compound of the formula (II):

OG Complex Work Unit Chemistry
wherein each R5 is independently H, halogen, C1-4 substituted or unsubstituted alkyl, C6-10 substituted or unsubstituted aryl.