Patent ID: 6583281
Filing Date: 2003-06-24
Classification: C07D

Abstract:
A composition comprising an Nâ€”C2 to C6 alkenylcaprolactam compound wherein the C2 to C6 alkenyl group is characterized by a double bond in the &agr;-position to the lactam nitrogen and the caprolactam ring optionally may be monosubstituted or polysubstituted by C1 to C4 alkyl groups, stabilized by a phenothiazine compound of general formula (I) wherein the radicals R1 to R8 independently of one another are a hydrogen atom, an unsubstituted or substituted aliphatic, aromatic or araliphatic radical having from 1 to 10 carbon atoms, an amino group, a halogen, a nitrogen group or a cyano group, with a total amount of said phenothiazine compound of the general formula (I) of 1 to 1000 ppm by weight, based on the total amount of the N-alkenyllactam.