	US 11,987,552 B2
	Polymeric phenolic antioxidants
Nicholas G. Moon, Greer, SC (US); Haihu Qin, Greer, SC (US); Sharon A. Free, Chesnee, SC (US); Mark E. Ragsdale, Duncan, SC (US); and Michael Hong, Greer, SC (US)
Assigned to Milliken & Company, Spartanburg, SC (US)
Filed by Milliken & Company, Spartanburg, SC (US)
Filed on Jul. 26, 2019, as Appl. No. 16/523,523.
Claims priority of provisional application 62/711,458, filed on Jul. 27, 2018.
Prior Publication US 2020/0031756 A1, Jan. 30, 2020
Int. Cl. C07C 69/675 (2006.01); C08G 18/16 (2006.01); C08G 18/24 (2006.01); C08G 18/28 (2006.01); C08G 18/32 (2006.01); C08G 18/48 (2006.01); C08G 18/76 (2006.01); C08K 5/00 (2006.01)

CPC C07C 69/675 (2013.01) [C08G 18/165 (2013.01); C08G 18/244 (2013.01); C08G 18/284 (2013.01); C08G 18/3203 (2013.01); C08G 18/48 (2013.01); C08G 18/7621 (2013.01); C08K 5/005 (2013.01); C07C 2601/16 (2017.05); C08G 2110/0008 (2021.01); C08G 2110/0083 (2021.01); C08G 2290/00 (2013.01)]

17 Claims

1. A phenol compound comprising a phenyl group, a hydroxy group directly bonded to the phenyl group, two steric hindering groups directly bonded to the phenyl group in positions that are ortho to the hydroxy group, and at least one polymeric substituent bound to the phenyl group, the polymeric substituent comprising three or more monomer units, wherein the polymeric substituent is directly bonded to a linking group, the linking group is directly bonded to a carbon atom of the phenyl group, and the linking group is an oxygen atom, and wherein the polymeric substituent terminates in a hydroxy group.