Patent ID: 9334445
Filing Date: 2016-05-10
CPC Classification: C07B,C07C,C09K

Claim Text:
1. Amine based additive composition for controlling and inhibition of polymerization of aromatic vinyl monomers including styrene comprising: (a) one or more of nitroxide (i.e. nitroxyl) compounds; and (b) one or more of aromatic nitro compounds, characterized in that the said composition further comprises one or more of (c) amines, wherein said amines comprise: (i) hydroxyl alkyl tertiary amines comprising tris(2-hydroxypropyl)amine (TIPA); N,N,N′,N′-Tetrakis (2-hydroxypropyl) ethylene-diamine (Quadrol); N,N,N′,N′-Tetrakis (2-hydroxyethyl) ethylene-diamine (THEED), or a mixture thereof.