Patent ID: 6455621
Filing Date: 2002-09-24
Classification: C07C,C08K

Abstract:
A composition having a melting point of less than or equal to 200Â° C. and comprising:(a) a magnesium or a calcium acetylacetonate; and (b) at least one free &bgr;-diketone of the following formula (I): R1COCHR2COR3 â€ƒwherein: R1 and R3 identical or different represent a substituted or unsubstituted linear or branched C1-C30 hydrocarbon radical and R2 represents a hydrogen atom or a linear or branched C1-C4 hydrocarbon radical; or (bâ€²) at least one &bgr;-diketone in the form of a chelate of the formula (II) â€ƒwherein R1, R2, and R3 are as defined above, Mn+ is lanthanum, magnesium, aluminium, zinc or calcium, n being 2 or 3, with the proviso that acetylacetonates of calcium and of magnesium are excluded.