US2020199693A1PendingUtilityA1
COMPOSITIONS COMPRISING C5 and C6 MONOSACCHARIDES

Assignee: RENMATIX INCPriority: Dec 30, 2011Filed: Mar 2, 2020Published: Jun 25, 2020
Est. expiryDec 30, 2031(~5.5 yrs left)· nominal 20-yr term from priority
Inventors:Daniel Clay Floyd Kiran Kadam Srinivas Kilambi
Y02E50/10Y02P20/54C07H 3/02C13K 11/00C13K 13/007C13K 1/02C07H 3/06C13K 1/04C13K 13/002C13K 13/00C13B 50/00Y02P20/544Y02E50/16
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Claims
Abstract

Compositions comprising C5 and C6 monosaccharides and low levels of undesirable impurities, such as compounds containing sulfur, nitrogen, or metals, are disclosed.
Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A composition comprising:
 (a) at least one water-soluble C5 monosaccharide hydrolysate and/or at least one water-soluble C6 monosaccharide hydrolysate, derived from hemicellulose;   (b) at least one water-soluble C5 oligosaccharide hydrolysate and/or at least one water-soluble C6 oligosaccharide hydrolysate, derived from hemicellulose;   (c) impurities; and   (d) optionally, water   wherein the impurities comprise furfural.   
     
     
         2 . The composition of  claim 1 ,
 wherein the impurities comprise a total amount by weight, based on total weight of the composition, of (a) less than about 6750 ppm or (b) less than about 1950 ppm of elements 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 when the composition is measured for all of the elements.   
     
     
         3 . The composition of  claim 2 , comprising:
 the at least one water-soluble C5 monosaccharide hydrolysate; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate.   
     
     
         4 . The composition of  claim 2 ,
 wherein the elements comprise Ca, Cu, Fe, K, Mg, Mn, Na, P, S, and Si.   
     
     
         5 . The composition of  claim 4 , wherein:
 the at least one water-soluble C5 monosaccharide hydrolysate is present and is selected from xylose, arabinose, or a combination thereof; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate is present and is composed of monomeric units of xylose, arabinose, or a combination thereof.   
     
     
         6 . The composition of  claim 2 ,
 wherein the one water-soluble C5 monosaccharide hydrolysate and/or the water-soluble C6 monosaccharide hydrolysate is derived from a lignocellulose biomass.   
     
     
         7 . The composition of  claim 2 ,
 wherein the water-soluble hydrolysates are present:
 at a concentration of at least 0.5 g/L; or 
 at a concentration of at least 200 g/L. 
   
     
     
         8 . The composition of  claim 2 ,
 wherein the at least one water-soluble C5 monosaccharide hydrolysate is present and is xylose, arabinose or a mixture thereof.   
     
     
         9 . The composition of  claim 2 ,
 wherein the impurities comprise:
 less than 280 ppm by weight, based on the total weight of the composition, of calcium. 
   
     
     
         10 . The composition of  claim 2 ,
 wherein the impurities comprise:
 less than 5 ppm by weight, based on the total weight of the composition, of iron. 
   
     
     
         11 . The composition of  claim 2 ,
 wherein the impurities comprise:
 less than 975 ppm by weight, based on the total weight of the composition, of sulfur. 
   
     
     
         12 . The composition of  claim 2 , wherein:
 the weight ratio of the water-soluble C5 monosaccharide hydrolysate to the elements is greater than about 95:1; and/or   the weight ratio of the one water-soluble C6 monosaccharide hydrolysate to the elements is greater than about 30:1.   
     
     
         13 . The composition of  claim 2 , comprising:
 the at least one water-soluble C6 monosaccharide hydrolysate; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate.   
     
     
         14 . The composition of  claim 2 ,
 further comprising levulinic acid.   
     
     
         15 . The composition of  claim 2 ,
 wherein the impurities comprise:
 less than 300 ppm by weight, based on the total weight of the composition, of calcium; 
 less than 10 ppm by weight, based on the total weight of the composition, of iron; and 
 less than 1000 ppm by weight, based on the total weight of the composition, of sulfur. 
   
     
     
         16 . The composition of  claim 15 , comprising:
 the at least one water-soluble C5 monosaccharide hydrolysate; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate.   
     
     
         17 . The composition of  claim 15 ,
 wherein the elements comprise Ca, Cu, Fe, K, Mg, Mn, Na, P, S, and Si.   
     
     
         18 . The composition of  claim 15 , wherein:
 the at least one water-soluble C5 monosaccharide hydrolysate is present and is selected from xylose, arabinose, or a combination thereof; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate is present and is composed of monomeric units of xylose, arabinose, or a combination thereof.   
     
     
         19 . The composition of  claim 15 , comprising:
 the at least one water-soluble C6 monosaccharide hydrolysate; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate.   
     
     
         20 . The composition of  claim 1 ,
 wherein the impurities comprise:
 less than 975 ppm by weight, based on the total weight of the composition, of sulfur. 
   
     
     
         21 . The composition of  claim 20 , comprising:
 the at least one water-soluble C5 monosaccharide hydrolysate; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate.   
     
     
         22 . The composition of  claim 20 , wherein:
 the at least one water-soluble C5 monosaccharide hydrolysate is present and is selected from xylose, arabinose, or a combination thereof; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate is present and is composed of monomeric units of xylose, arabinose, or a combination thereof.   
     
     
         23 . The composition of  claim 20 ,
 wherein the impurities comprise a total amount by weight, based on total weight of the composition, of (a) less than about 6750 ppm or (b) less than about 1950 ppm of elements 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 when the composition is measured for all of the elements; and   wherein the elements comprise Ca, Cu, Fe, K, Mg, Mn, Na, P, S, and Si.   
     
     
         24 . The composition of  claim 3 , wherein:
 the at least one water-soluble C5 oligosaccharide hydrolysate is present and has a degree of polymerization of 2 to about 6; and/or the at least one water-soluble C6 oligosaccharide hydrolysate is present and has a degree of polymerization of 2 to about 6; and   the water-soluble hydrolysates are present:
 at a concentration of at least 0.5 g/L; or 
 at a concentration of at least 200 g/L. 
   
     
     
         25 . The composition of  claim 24 ,
 wherein the elements comprise Ca, Cu, Fe, K, Mg, Mn, Na, P, S, and Si.   
     
     
         26 . The composition of  claim 24 ,
 wherein the composition comprises hemicellulose sugars and/or cellulose sugars.   
     
     
         27 . The composition of  claim 3 ,
 wherein the elements comprise Ca, Cu, Fe, K, Mg, Mn, Na, P, S, and Si.   
     
     
         28 . The composition of  claim 3 ,
 wherein the impurities comprise:
 less than 300 ppm by weight, based on the total weight of the composition, of calcium; 
 less than 10 ppm by weight, based on the total weight of the composition, of iron; and 
 less than 1000 ppm by weight, based on the total weight of the composition, of sulfur; and 
   wherein the at least one water-soluble C5 oligosaccharide hydrolysate is present and has a degree of polymerization of 2 to about 6; and/or the at least one water-soluble C6 oligosaccharide hydrolysate is present and has a degree of polymerization of 2 to about 6.   
     
     
         29 . The composition of  claim 2 , wherein:
 the at least one water-soluble C5 monosaccharide hydrolysate is present and is selected from xylose, arabinose, or a combination thereof; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate is present and is composed of monomeric units of xylose, arabinose, or a combination thereof.   
     
     
         30 . A composition comprising:
 (a) at least one water-soluble C5 monosaccharide hydrolysate and/or at least one water-soluble C6 monosaccharide hydrolysate, selected from:
 (i) a C5 and/or C6 monosaccharide derived from hemicellulose; or 
 (ii) a C6 monosaccharide hydrolysate derived from cellulose; 
   (b) at least one water-soluble C5 oligosaccharide hydrolysate and/or at least one water-soluble C6 oligosaccharide hydrolysate, selected from:
 (iii) a C5 and/or C6 oligosaccharide hydrolysate derived from hemicellulose; or 
 (iv) a C6 oligosaccharide hydrolysate derived from cellulose; 
   (c) impurities; and   (d) water;   wherein the impurities comprise furfural; and   wherein the water-soluble hydrolysates are present:
 at a concentration of at least 0.5 g/L; or 
 at a concentration of at least 200 g/L. 
   
     
     
         31 . The composition of  claim 30 ,
 wherein the impurities comprise a total amount by weight, based on total weight of the composition, of (a) less than about 6750 ppm or (b) less than about 1950 ppm of elements 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 when the composition is measured for all of the elements; and   wherein the at least one water-soluble C5 monosaccharide hydrolysate and/or the at least one water-soluble C6 monosaccharide hydrolysate is derived from a lignocellulose biomass.   
     
     
         32 . The composition of  claim 31 ,
 wherein the elements comprise Ca, Cu, Fe, K, Mg, Mn, Na, P, S, and Si.   
     
     
         33 . The composition of  claim 31 , wherein:
 the at least one water-soluble C6 monosaccharide hydrolysate is present and is selected from glucose, mannose, or a combination thereof; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate present and is composed of monomeric units of glucose, mannose, or a combination thereof.   
     
     
         34 . The composition of  claim 31 , wherein:
 the at least one water-soluble C6 monosaccharide hydrolysate is present and is selected from glucose, mannose, galactose, fructose, or a combination thereof; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate is present and is composed of monomeric units of glucose, mannose, or a combination thereof.   
     
     
         35 . The composition of  claim 31 ,
 wherein the water-soluble hydrolysates are present:
 at a concentration of at least 0.5 g/L; or 
 at a concentration of at least 200 g/L. 
   
     
     
         36 . The composition of  claim 31 ,
 wherein the at least one water-soluble C6 monosaccharide hydrolysate is present and is glucose, galactose, mannose, fructose, or a mixture thereof.   
     
     
         37 . The composition of  claim 31 , wherein at least one of the following is satisfied:
 the impurities comprise a total amount by weight, based on total weight of the composition, of (a) less than about 6750 ppm or (b) less than about 1950 ppm of elements 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 when the composition is measured for all of the elements;   the impurities comprise less than 300 ppm by weight, based on the total weight of the composition, of calcium;   the impurities comprise less than 10 ppm by weight, based on the total weight of the composition, of iron;   the impurities comprise less than 1000 ppm by weight, based on the total weight of the composition, of sulfur.   
     
     
         38 . The composition of  claim 37 , wherein:
 the at least one water-soluble C5 monosaccharide hydrolysate is present and is selected from xylose, arabinose, or a combination thereof; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate is present and is composed of monomeric units of xylose, arabinose, or a combination thereof.   
     
     
         39 . The composition of  claim 31 , wherein:
 the weight ratio of the water-soluble C5 monosaccharide hydrolysate to the elements is greater than about 95:1; and/or   the weight ratio of the one water-soluble C6 monosaccharide hydrolysate to the elements is greater than about 30:1.   
     
     
         40 . The composition of  claim 31 , wherein:
 the at least one water-soluble C5 oligosaccharide hydrolysate is present and has a degree of polymerization of 2 to about 6; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate is present and has a degree of polymerization of 2 to about 6.   
     
     
         41 . The composition of  claim 31 , comprising:
 at least one water-soluble C6 monosaccharide hydrolysate; and/or   at least one water-soluble C6 oligosaccharide hydrolysate.   
     
     
         42 . The composition of  claim 31 , comprising:
 at least one water-soluble C5 monosaccharide hydrolysate; and/or   at least one water-soluble C5 oligosaccharide hydrolysate.   
     
     
         43 . The composition of  claim 31 , wherein:
 the at least one water-soluble C5 monosaccharide hydrolysate is present and is selected from xylose, arabinose, or a combination thereof; and/or   the at least one water-soluble C5 oligosaccharide hydrolysate is present and is composed of monomeric units of xylose, arabinose, or a combination thereof.   
     
     
         44 . The composition of  claim 31 ,
 wherein the impurities comprise:
 less than 300 ppm by weight, based on the total weight of the composition, of calcium; 
 less than 10 ppm by weight, based on the total weight of the composition, of iron; 
 less than 1000 ppm by weight, based on the total weight of the composition, of sulfur; 
 a total amount by weight, based on total weight of the composition, of (a) less than about 6750 ppm or (b) less than about 1950 ppm of elements 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 when the composition is measured for all of the elements; and
 wherein the elements comprise Ca, Cu, Fe, K, Mg, Mn, Na, P, S, and Si. 
 
   
     
     
         45 . The composition of  claim 44 , wherein:
 the at least one water-soluble C6 monosaccharide hydrolysate is present and is selected from glucose, mannose, or a combination thereof; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate is present and is composed of monomeric units of glucose, mannose, or a combination thereof.   
     
     
         46 . The composition of  claim 44 , wherein:
 the at least one water-soluble C6 monosaccharide hydrolysate is present and is selected from glucose, mannose, galactose, fructose, or a combination thereof; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate is present and is composed of monomeric units of glucose, mannose, or a combination thereof.   
     
     
         47 . The composition of  claim 1 ,
 wherein the composition further comprises water.   
     
     
         48 . The composition of  claim 30 ,
 wherein the composition further comprises water.   
     
     
         49 . The composition of  claim 1 , wherein:
 the at least one water-soluble C6 monosaccharide hydrolysate is present and is selected from glucose, mannose, or a combination thereof; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate is present and is composed of monomeric units of glucose, mannose, or a combination thereof.   
     
     
         50 . The composition of  claim 15 , wherein:
 the at least one water-soluble C6 monosaccharide hydrolysate is present and is selected from glucose, mannose, or a combination thereof; and/or   the at least one water-soluble C6 oligosaccharide hydrolysate present and is composed of monomeric units of glucose, mannose, or a combination thereof.   
     
     
         51 . The composition of  claim 3 , wherein:
 the at least one water-soluble C5 oligosaccharide hydrolysate is present and has a degree of polymerization of 2 to about 6; and/or the at least one water-soluble C6 oligosaccharide hydrolysate is present and has a degree of polymerization of 2 to about 6.   
     
     
         52 . The composition of  claim 1 , wherein the composition comprises ash. 
     
     
         53 . The composition of  claim 30 , wherein the composition comprises ash.
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