Rosin esters and compositions thereof

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United States of America Patent

PATENT NO 9940852
SERIAL NO

15025095

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Abstract

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Rosin esters are provided. The rosin esters can exhibit improved color (e.g., the rosin ester can have a neat Gardner color of 8.5 or less), improved oxidative stability (e.g., when 1000 ppm or less of an antioxidant is present in combination with the rosin ester, the rosin ester can exhibit an oxidative-induction time at 130° C. of at least 75 minutes), improved color stability (e.g., the rosin ester can exhibit less than a 10% change in neat Gardner color when heated to a temperature of 160° C. for a period of three hours), or combinations thereof. Also provided polymeric compositions comprising the rosin esters, as well as methods of making the rosin esters.

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Patent Owner(s)

Patent OwnerAddress
KRATON CHEMICAL LLC9000 SOUTHSIDE BOULEVARD SUITE 1300 JACKSONVILLE FL 32256

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nelson, Lloyd A Savannah, US 18 135
Williams, Paul A Sav, US 18 1538

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