US 12,297,217 B2
Process for preparing organotin compounds
David M. Ermert, Danbury, CT (US); Thomas M. Cameron, Newtown, CT (US); David Kuiper, Brookfield, CT (US); and Thomas H. Baum, New Fairfield, CT (US)
Assigned to ENTEGRIS, INC., Billerica, MA (US)
Filed by ENTEGRIS, INC., Billerica, MA (US)
Filed on Feb. 2, 2022, as Appl. No. 17/591,007.
Application 17/591,007 is a division of application No. 17/366,470, filed on Jul. 2, 2021, granted, now 11,358,975.
Claims priority of provisional application 63/047,984, filed on Jul. 3, 2020.
Prior Publication US 2022/0153763 A1, May 19, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C07F 7/22 (2006.01)
CPC C07F 7/2284 (2013.01) [C07B 2200/13 (2013.01)] 4 Claims
 
1. A compound of the Formula (II):

OG Complex Work Unit Chemistry
wherein each R is the same or different and is a C1-C4 alkyl group and X is iodo, bromo, and chloro, provided that wherein X is chloro, at least one R is other than a methyl group.