Non-xenoestrogenic stabilizers for organic materials
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United States of America Patent
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Apr 1, 2003
Grant Date -
Dec 20, 2001
app pub date -
Nov 1, 1999
filing date -
Nov 1, 1999
priority date (Note) -
Expired
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Abstract
A non-xenoestrogenic phosphorus-containing stabilizer for organic materials is disclosed wherein the stabilizer is selected from the group consisting of phosphorus-containing compounds of the structures ##STR1## wherein y in an integer of from 6 to 20, and ##STR2## where Z is a linking group, m is 0 or 1, n is an integer of at least 2, the asterisks are independently selected terminal groups, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are independently selected from the group consisting of hydrogen, alkyl groups, aralkyl groups, or halogen groups and Q is selected from the group consisting of ##STR3## where R.sub.11 is alkyl or aralkyl, and ##STR4##
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