Hydroxyphenyltriazines with an aromatic carbocyclic fused ring system
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United States of America Patent
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Mar 5, 2013
Grant Date -
May 28, 2009
app pub date -
May 31, 2006
filing date -
Jun 10, 2005
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Abstract
The instant invention relates to novel hydroxyphenyl triazine UV-absorbers with an aromatic carbocyclic fused ring system having a long wavelength shifted absorption spectrum with significant absorbance up to 420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers, a process for the stabilization of organic materials and the use of the new compounds as UV-light stabilizers for organic materials.
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