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US 2013/0172546 A1Published application
Compositions comprising c5 and c6 oligosaccharides
AssigneeRenmatix, Inc.
InventorsDaniel Clay Floyd, Kiran Kadam, Srinivas Kilambi
Life of this patent
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Abstract
Compositions comprising C5 and C6 saccharides of varying degrees of polymerization and low levels of undesirable impurities, such as compounds containing sulfur, nitrogen, or metals, are disclosed.
Claims43
A composition, comprising:
- at least one water-soluble C5 oligosaccharide hydrolysate;
- optionally, at least one water-soluble C5 monosaccharide hydrolysate;
- and
- less than about 3700 ppm in total by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of elements;
- wherein said elements are Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Sb, Se, Si, Sn, Sr, Ti, Tl, V, and Zn.
2 more elements
A composition, comprising:
- at least one water-soluble C5 oligosaccharide hydrolysate;
- optionally, at least one water-soluble C5 monosaccharide hydrolysate;
- less than about 10 ppm by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of aluminum;
- less than about 2300 ppm by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of calcium;
- less than about 50 ppm by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of iron;
- and
- less than about 150 ppm by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of sulfur.
4 more elements
A composition, comprising:
- at least one water-soluble C5 oligosaccharide hydrolysate;
- optionally, at least one water-soluble C5 monosaccharide hydrolysate;
- and
- less than about 10 ppm by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of aluminum.
1 more element
A composition, comprising:
- at least one water-soluble C5 oligosaccharide hydrolysate;
- optionally, at least one water-soluble C5 monosaccharide hydrolysate;
- less than about 2300 ppm by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of calcium;
- and
- less than about 3700 ppm in total by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of elements;
- wherein said elements are Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Sb, Se, Si, Sn, Sr, Ti, Tl, V, and Zn.
3 more elements
(canceled)
A composition, comprising:
- at least one water-soluble C5 oligosaccharide hydrolysate;
- optionally, at least one water-soluble C5 monosaccharide hydrolysate;
- less than about 50 mg by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of iron;
- and
- less than about 3700 ppm in total by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of elements;
- wherein said elements are Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Sb, Se, Si, Sn, Sr, Ti, Tl, V, and Zn.
3 more elements
(canceled)
A composition, comprising:
- at least one water-soluble C5 oligosaccharide hydrolysate;
- optionally, at least one water-soluble C5 monosaccharide hydrolysate;
- and
- less than about 150 ppm by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of sulfur.
1 more element
A composition, comprising:
- about 15% by weight, to about 30% by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of C5 disaccharides;
- about 10% by weight, to about 20% by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of C5 trisaccharides;
- about 5% by weight, to about 20% by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of C5 tetrasaccharides;
- about 2% by weight, to about 20% by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of C5 pentasaccharides;
- and
- about 10% by weight, to about 35% by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of C5 saccharides having at a degree of polymerization of at least about 6.
3 more elements
A composition, comprising:
- about 75% by weight to about 90% by weight, based on total weight of said water-soluble C5 oligosaccharide hydrolysate and said water-soluble C5 monosaccharide hydrolysate in said composition, of water-soluble C5 oligosaccharides;
- wherein said water-soluble C5 oligosaccharides have a decree of polymerization of about 2 to about 16.
(canceled)
Dependencies are inferred from the claim text.