Patents by Inventor Lucia Redempta Maria Meyer-Hoffman

Lucia Redempta Maria Meyer-Hoffman 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).

  • Process of preparing L and D .alpha.-amino acids by enzyme treatment of DL-.alpha.-amino acid amide
    Patent number: 4080259
    Abstract: A method of producing enzyme preparations having L-.alpha.-amino acyl amidase activity comprising cultivating a micro-organism selected from the group consisting of Pseudomonas putida, Pseudomonas reptilivora, and Pseudomonas arvilla in a nutrient medium and separating an enzyme preparation from said nutrient medium.A process of preparing L-.alpha.-amino acid and D-.alpha.-amino acid amide from DL-.alpha.-amino acid amide by contacting said DL-.alpha.-amino acid amide with an enzyme preparation obtained by cultivating a micro-organism selected from the group consisting of Pseudomonas putida, Pseudomonas reptilivora, and Pseudomonas arvilla in the presence of a nutrient medium and separating the L-.alpha.-amino acid and D-.alpha.-amino acid amide thus formed.
    Type: Grant
    Filed: January 4, 1977
    Date of Patent: March 21, 1978
    Assignee: Novo Industri A/S
    Inventors: Wilhelmus Hubertus Joseph Boesten, Lucia Redempta Maria Meyer-Hoffman