Patents by Inventor Tuula K. Torkkeli

Tuula K. Torkkeli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Nucleic acid molecules encoding phytase and pH2.5 acid phosphatase
    Patent number: 5830733
    Abstract: The present invention provides a nucleic acid molecule encoding a phytase. The present invention also provides a nucleic acid molecule encoding a pH 2.5 acid phosphatase. Also provided are vectors, host cells, and a method of overexpressing phytate degrading enzymes.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: November 3, 1998
    Assignee: Rohm Enzyme Finland Oy
    Inventors: Helena K. M. Nevalainen, Marja T. Paloheimo, Arja S. K. Miettinen-Oinonen, Tuula K. Torkkeli, Michael Cantrell, Christopher S. Piddington, John A. Rambosek, Marja K. Turunen, Richard B. Fagerstrom, Christine S. Houston
  • Production of phytate degrading enzymes in trichoderma
    Patent number: 5780292
    Abstract: A highly efficient overexpression system for phytase and pH 2.5 acid phosphatase in Trichoderma is described. This system results in enzyme compositions that are especially useful in the animal feed industry.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: July 14, 1998
    Assignee: Alko Group Ltd.
    Inventors: Helena K. M. Nevalainen, Marja T. Paloheimo, Aria S. K. Miettinen-Oinonen, Tuula K. Torkkeli, Michael Cantrell, Cristopher S. Piddington, John A. Rambosek, Marja K. Turunen, Richard B. Fagerstrom