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Additives to prevent degradation of cyclic alkene derivatives

  • US 20070057234A1
  • Filed: 09/12/2006
  • Published: 03/15/2007
  • Est. Priority Date: 09/12/2005
  • Status: Active Grant
First Claim
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1. A stabilized cyclic alkene composition comprising:

  • one or more cyclic alkenes, and at least one antioxidant compound of formula (I), embedded imagewherein R1 through R5 can each independently be H, OH, C1-C8 linear, branched, or cyclic alkyl, C1-C8 linear, branched, or cyclic alkoxy or substituted or unsubstituted aryl; and

    wherein said antioxidant compound is present in an amount between about 1 ppm and 200 ppm; and

    wherein said composition is purged with at least one gas selected from the group consisting of;

    helium, neon, argon, krypton, xenon, radon, nitrogen, carbon monoxide and carbon dioxide, after said composition is introduced to a container intended for storage or shipping of said composition.

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