Patents Assigned to Phytex, LLC
  • Phytase-containing animal food and method
    Patent number: 7972805
    Abstract: A method is described for improving the nutritional value of a foodstuff comprising a source of myo-inositol hexakisphosphate by feeding the foodstuff in combination with a phytase expressed in yeast. The method comprises the step of feeding the animal the foodstuff in combination with a phytase expressed in yeast wherein the phytase can be selected from the group consisting of AppA1, AppA2 and a site-directed mutant of AppA. The invention also enables reduction of the feed to weight gain ratio and an increase bone mass and mineral content of an animal. A foodstuff and a feed additive comprising AppA2 or a site-directed mutant of AppA are also described.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: July 5, 2011
    Assignee: Phytex, LLC
    Inventors: Douglas M. Webel, Donald E. Orr, Jr., Frank E. Ruch, Jr., Xingen Lei
  • Phytase-containing animal food and method
    Patent number: 7833743
    Abstract: A method is described for improving the nutritional value of a foodstuff comprising a source of myo-inositol hexakisphosphate by feeding the foodstuff in combination with a phytase expressed in yeast. The method comprises the step of feeding the animal the foodstuff in combination with a phytase expressed in yeast wherein the phytase can be selected from the group consisting of AppA1, AppA2 and a site-directed mutant of AppA. The invention also enables reduction of the feed to weight gain ratio and an increase bone mass and mineral content of an animal. A foodstuff and a feed additive comprising AppA2 or a site-directed mutant of AppA are also described.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: November 16, 2010
    Assignees: Phytex, LLC, Cornell Research Foundation, Inc.
    Inventors: Douglas M. Webel, Donald E. Orr, Jr., Frank E. Ruch, Jr., Xingen Lei
  • Phytase-containing animal food and method
    Patent number: 7320876
    Abstract: A method is described for improving the nutritional value of a foodstuff comprising a source of myo-inositol hexakisphosphate by feeding the foodstuff in combination with a phytase expressed in yeast. The method comprises the step of feeding the animal the foodstuff in combination with a phytase expressed in yeast wherein the phytase can be selected from the group consisting of AppA1, AppA2 and a site-directed mutant of AppA. The invention also enables reduction of the feed to weight gain ratio and an increase bone mass and mineral content of an animal. A foodstuff and a feed additive comprising AppA2 or a site-directed mutant of AppA are also described.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: January 22, 2008
    Assignees: Phytex, LLC, Cornell Research Foundation, Inc.
    Inventors: Douglas M. Webel, Donald E. Orr, Jr., Frank E. Ruch, Jr., Xingen Lei