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US 4,048,140 AGranted
Light resistant polyolefin compositions
AssigneeThe B. F. Goodrich Company
InventorDwight William Chasar
Life of this patent
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Abstract
Polyolefins are stabilized against heat and light degradation by including in said polyolefins an unsymmetrical 2-hydroxydiphenyl sulfoxide.
Claims9
A polyolefin containing a stabilizing amount of a 2-hydroxydiphenyl sulfoxide of the general formula ##STR9## wherein R.sub.1 is hydrogen, R.sub.2 is a lower alkyl or halogen, R.sub.3 is hydrogen or a lower alkyl, R.sub.4 is hydrogen or lower alkyl, R.sub.5 is hydrogen or a lower alkyl and R.sub.6 is hydrogen or lower alkyl.
Dependencies are inferred from the claim text.