Patent 7683112 was granted and assigned to Sumitomo Chemical on March, 2010 by the United States Patent and Trademark Office.
There is provided a phosphite composition comprising 100 parts by weight of a phosphite represented by the formula (1) and 0.5 to 8 parts by weight of an aliphatic hydrocarbon lubricant having a softening point or a melting point of not higher than 115° C., wherein the content of the phosphite (1) in said composition is 30 to 99.5% by weight.