Patents by Inventor Herman B. M. Lenting

Herman B. M. Lenting 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).

  • Mutated .beta.-lactam acylase genes
    Patent number: 5935831
    Abstract: New mutant .beta.-lactam acylases are provided exhibiting altered substrate specificities. These .beta.-lactam acylases are obtained by expression of a gene encoding said .beta.-lactam acylase and having an amino acid sequence which differs at least in one amino acid from the wild-type .beta.-lactam acylase.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: August 10, 1999
    Assignee: Gist-Brocades, N.V.
    Inventors: Wilhelmus Johannes Quax, Onno Misset, Jan Metske Van Der Laan, Herman B. M. Lenting
  • Mutated .beta.-lactam acylase genes
    Patent number: 5457032
    Abstract: New mutant .beta.-lactam acylases are provided exhibiting altered substrate specificities. These .beta.-lactam acylases are obtained by expression of a gene encoding said .beta.-lactam acylase and having an amino acid sequence which differs at least in one amino acid from the wild-type .beta.-lactam acylase.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: October 10, 1995
    Assignee: Gist-brocades NV
    Inventors: Wilhelmus J. Quax, Onno Misset, Jan M. Van Der Laan, Herman B. M. Lenting