Invention Grant
- Patent Title: Method of stabilizing polymerizable compounds
- Patent Title (中): 稳定可聚合化合物的方法
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Application No.: US14104165Application Date: 2013-12-12
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Publication No.: US09206109B2Publication Date: 2015-12-08
- Inventor: Tobias Johannes Korn , Peter Zurowski , Thorsten Friese , Sylke Haremza , Ulrich Jaeger , Steffen Rissel , Volker Schliephake
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: C07C51/50
- IPC: C07C51/50 ; C07C67/62

Abstract:
In a method of stabilizing acrylic compounds, a liquid phase containing at least one acrylic compound is mixed with at least one metal and at least one ligand. The acrylic compound can be acrylic acid, methacrylic acid, and their respective esters. The metal can be copper, manganese, and cerium. The ligand can be a quinoline compound of formula (I), an N-oxide of a compound of formula (I), 2,2″-bis(2,3-dihydro-3-oxoindolylidene), or an aliphatic y-dentate ligand with y being 2-6 and comprising at least two nitrogen atoms joined by aliphatic or aromatic C1-C4 bridges comprising y-2 further coordinating nitrogen atoms or heteroatoms: where X is OH, NH2, O—(C1-C4)-alkyl, O—C(O)—(C1-C4)-alkyl, or O—C(O)-phenyl; R1 is H, or (C1-C4)-alkyl; R2 is H, (C1-C4)-alkyl, Cl, Br, or SO3H; and R3 is H, Cl or Br.
Public/Granted literature
- US20140228571A1 METHOD OF STABILIZING POLYMERIZABLE COMPOUNDS Public/Granted day:2014-08-14
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