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  2. US Patent: “Protein and DNA Sequence Encoding a Cold Adapted Xylanase”, US 8679814, March 25, 2014, Inventors: Asenjo, J. A., Andrews, B. A., Acevedo, J.P., Parra, L. Burzio L.

  3. US Patent: “Protein and Nucleic Acid Sequence Encoding a Krill-Derived Cold Adapted Trypsin-Like Activity Enzyme”, US 7,202,074 B2, Apr. 10, 2007. Inventors: Asenjo J. A., Andrews, B. A.,Reyes, F., Salamanca M., Burzio L.