Methods for providing sialylated oligosaccharides

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9539270
APP PUB NO 20140336140A1
SERIAL NO

14363856

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention relates to a method for providing analogs of human milk oligosaccharides (HMO), in particular oligosaccharides containing terminal sialic acid. The method comprises the steps of: a) providing a source of non-digestible galactooligosaccharides (GOS) containing at least two terminally bonded β-linked galactose residues; b) providing a sialic acid donor having (α2-3)-sialylated O-glycans; c) contacting said GOS with said sialic acid donor in the presence of an enzyme having trans-sialidase activity in an enzyme reaction mixture; and d) isolating from said enzyme reaction mixture a fraction comprising at least 20 percent by weight of disialylated galactooligosaccharides (di-Sia-GOS) based on the dry matter.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • FRIESLAND BRANDS B.V.;RIJKSUNIVERSITEIT GRONINGEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hage, Johannes Adrianus Arkel, NL 2 0
Kamerling, Johannis Paulus Groningen, NL 5 0
Sallomons, Erik Westerbork, NL 2 0
Sanders, Peter Groningen, NL 19 227
van, Vuure Catherina Anna Helmond, NL 2 0
Wilbrink, Maarten Hotse Groningen, NL 6 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 10, 2024
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 10, 2028
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00