Stabilized levulinic ester ketals

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United States of America Patent

PATENT NO 9884838
APP PUB NO 20160332983A1
SERIAL NO

15223925

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Abstract

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The invention describes methods of preparation and compositions of plasticizers. The plasticizers include at least 2 alkyl ketal ester moieties and have a molecular weight of greater than 300. In one aspect, the alkyl ketal ester moieties are levulinic ester ketals. Certain compositions contain at least one of an antioxidant, a UV stabilizer, a thermal stabilizer or mixtures thereof, present in the composition from about 0.01 to about 5.0 percent by weight of the total composition.

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Patent Owner(s)

Patent OwnerAddress
GFBIOCHEMICALS LIMITED168 ST CHRISTOPHER STREET VALLETTA VLT 1467

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Badarinarayana, Vivek St. Louis Park, US 17 84
Hall, Eric S Plymouth, US 20 1674
Leibig, Cora M Maple Grove, US 20 107
Mullen, Brian D Delano, US 61 514
Tjosaas, Matthew J Minneapolis, US 6 69

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