Macromolecular hals with a definite molecular weight
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United States of America Patent
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Issued Date -
Aug 14, 2003
app pub date -
Dec 5, 2002
filing date -
Dec 11, 2001
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Abandoned
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Abstract
The present invention relates to macromolecular derivatives with a definite molecular weight, containing a 2,2,6,6-tetramethyl-4-piperidyl group and to their use as light, heat and oxidation stabilizers for synthetic polymers and other organic materials, and to the materials thus stabilized.
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