Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Lymphokines – e.g. – interferons – interlukins – etc.
Reexamination Certificate
2011-03-29
2011-03-29
Landsman, Robert (Department: 1646)
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Lymphokines, e.g., interferons, interlukins, etc.
C424S085600
Reexamination Certificate
active
07915386
ABSTRACT:
A method for producing an interferon-β complex includes binding interferon-β to polyethylene glycol in the presence of at least one additive selected from the group consisting of oligosaccharides having 5 or less sugar units, monosaccharides, sugar alcohols thereof, and C2-6polyhydric alcohols.
REFERENCES:
patent: 4766106 (1988-08-01), Katre et al.
patent: 2004/0115168 (2004-06-01), DeFrees et al.
Narumi Hideki
Sato Miyuki
Sone Saburou
Tsushima Yoshiaki
Yamashita Koji
DLA Piper (LLP) US
Hissong Bruce D
Landsman Robert
Tadatsugu Taniguchi
Toray Industries Inc.
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