| Patent Number |
Title Of Patent |
Date Issued |
| 8129171 |
Arabinose- and xylose-fermenting Saccharomyces cerevisiae strains |
March 6, 2012 |
| A S. cerevisiae strain expressing both arabinose and xylose utilization pathways, and in particular to a S. cerevisiae strain fermenting both arabinose and xylose to ethanol, and more particularly a S. cerevisiae strain with overexpression or upregulation of xylose- or aldose reductase |
| 8110387 |
Polypeptide having NADH dependent HMF reductase activity |
February 7, 2012 |
| The invention relates to an isolated polypeptide having NADH dependent HMF reductase activity, wherein said polypeptide shows 80% homology to the amino acid sequence shown in SEQ ID NO:2 and which differs from SEQ ID NO:2 in that at least S117L and Y295 or S110 is substituted, a nucl |
| 7531348 |
Recombinant yeast for lignocellulose raw materials |
May 12, 2009 |
| The present invention relates to a method for obtaining a recombinant yeast of Saccharomyces cerevisiae, which ferments lignocellulose raw materials to ethanol, including introducing DNA into a yeast so as to cause the yeast to have introduced genes encoding xylose reductase, xylitol |
| 6582944 |
Production of ethanol from xylose |
June 24, 2003 |
| This invention relates to recombinant-DNA-technology. Specifically this invention relates to new recombinant yeast strains transformed with xylose reductase and/or xylitol dehydrogenase enzyme genes. A yeast strain transformed with the xylose reductase gene is capable of reducing xylose |
| 6475768 |
Xylose isomerase with improved properties |
November 5, 2002 |
| The present invention relates to novel nucleic acid sequences which, upon expression in a procaryotic or eucaryotic cell, code for a polypeptide having an elevated specific xylose isomerase activity compared to the wildtype Thermus thermophilus xylose isomerase. They are selected from a) |
| 6130075 |
Polymer conjugates of polyethylene glycols or oxides with polyethyleneimine or polypropylenimine |
October 10, 2000 |
| The invention provides novel polymer conjugates that are especially useful in the separation of carboxylic acids from complex fermentation compositions. The polymer conjugates comprise polyethylene glycols or oxides and polyethyleneimine or polypropyleneimine in various ratios. The n |
| 5866382 |
Xylose utilization by recombinant yeasts |
February 2, 1999 |
| This invention relates to recombinant-DNA-technology. Specifically, this invention relates to new recombinant yeast strains transformed with xylose reductase and/or xylitol dehydrogenase enzyme genes. A yeast strain transformed with the xylose reductase gene is capable of reducing xylose |
