US 12,312,445 B2
Branched organosilanol compounds and methods for the preparation and use thereof
Eric Joffre, Midland, MI (US); Xiaoyuan Zhou, Midland, MI (US); and John Roberts, Midland, MI (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US); and Dow Silicones Corporation, Midland, MI (US)
Appl. No. 17/799,326
Filed by Dow Silicones Corporation, Midland, MI (US); and Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Mar. 24, 2021, PCT No. PCT/US2021/023851
§ 371(c)(1), (2) Date Aug. 12, 2022,
PCT Pub. No. WO2021/221832, PCT Pub. Date Nov. 4, 2021.
Claims priority of provisional application 63/017,689, filed on Apr. 30, 2020.
Prior Publication US 2023/0103096 A1, Mar. 30, 2023
Int. Cl. C08G 77/48 (2006.01); C07F 7/08 (2006.01); C08G 77/16 (2006.01); C08G 77/18 (2006.01); C08G 77/38 (2006.01); C08G 77/50 (2006.01)
CPC C08G 77/485 (2013.01) [C07F 7/0896 (2013.01); C08G 77/16 (2013.01); C08G 77/18 (2013.01); C08G 77/38 (2013.01); C08G 77/50 (2013.01)] 15 Claims
 
1. A branched organosilanol compound comprising a formula selected from the group consisting of:

OG Complex Work Unit Chemistry
and (IV) a combination of any two or more of (I), (II), and (III), where each R, each R′, and each R″ is an independently selected monovalent hydrocarbyl group, each R′″ is independently selected from the group consisting of R and OR″, and each D is an independently selected divalent hydrocarbyl group.