Method for purifying urate oxidase tetramers and octamers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8921064
APP PUB NO 20110287466A1
SERIAL NO

13085793

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Abstract

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A naturally occurring or recombinant protein, especially a mutein of porcine urate oxidase (uricase), that is essentially free of large aggregates can be rendered substantially non-immunogenic by conjugation with a sufficiently small number of strands of polymer such that the bioactivity of the protein is essentially retained in the conjugate. Such conjugates are unusually well suited for treatment of chronic conditions because they are less likely to induce the formation of antibodies and/or accelerated clearance than are similar conjugates prepared from protein preparations containing traces of large aggregates.

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Patent Owner(s)

Patent OwnerAddress
HORIZON THERAPEUTICS USA INC1 HORIZON WAY DEERFIELD IL 60015

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hershfield, Michael S Durham, US 17 396
Kelly, Susan J Chapel Hill, US 14 394
Saifer, Mark G P San Carlos, US 15 477
Sherman, Merry R San Carlos, US 22 756
Williams, L David Fremont, US 29 1349

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