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US 6,147,145 AGranted
Stabilized monomer composition
AssigneeBASF SE
InventorsAlexander Aumuller, Andreas Koch, Heinz Friedrich Sutoris, Jacques Dupuis, Manfred Niessner
Life of this patent
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Abstract
A monomer composition is described, containing A) vinyl-containing monomers in which the vinyl bears a hetero-atom selected from the group consisting of the halogens, nitrogen, oxygen, sulfur or silicon, and B) at least one N-oxyl compound of a secondary amine which does not bear hydrogen on the .alpha.-carbons, in an amount effective as stabilizer against premature polymerization.
Claims17
A monomer composition, comprising:
- a) vinyl-containing monomers in which the vinyl bears a heteroatom selected from the group consisting of nitrogen, oxygen, sulfur and silicon;
- and
- b) at least one N-oxyl compound of a secondary amine which does not bear hydrogen on the .alpha.-carbons, in an amount effective as a stabilizer against premature polymerization.
The process of claim 15, wherein at least one tetraalkylpiperidine-N-oxyl compound of the formula (II) of claim 19 is added to the monomers.
Dependencies are inferred from the claim text.