Patent ID: 6362260
Filing Date: 2002-03-26
Classification: C07F,C08K

Abstract:
A pentaerythritol phosphite having the formula:({RO}2POH2C)4-AC(CH2OP{OR1}2)A wherein A is from about 3.5 to about 4.0 based upon a plurality of molecules, wherein R is hydrocarbon having from 1 to about 7 carbon atoms, and wherein each R1, independently, is an aliphatic group of 8 to 20 carbon atoms, straight chain or branched; or a cycloalkyl or alkyl substituted cycloalkyl of 8 to 20 carbon atoms, or an aryl substituted alkyl of 8 to 20 carbon atoms, or an alkyl substituted aryl of 8 to 20 carbon atoms, or combinations thereof, and wherein at least one said R1, independently, is said aliphatic having from 8 to 20 carbon atoms, or said cycloalkyl or alkyl substituted cycloalkyl having from 8 to 20 carbon atoms.