Patents by Inventor Wilhelmus Theodorus Antonius De Laat

Wilhelmus Theodorus Antonius De Laat 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).

  • Fermentative production of lipids on an industrial scale using chemically defined media
    Publication number: 20070092955
    Abstract: We describe the use of chemically defined media for the fermentative production of valuable compounds on an industrial scale. Microbial strains which are suitable for fermentation on an industrial scale using a chemically defined medium include fungal, yeast and bacterial strains. Suitable strains can be obtained as wild type strains or by screening and selection after mutagenic treatment or DNA transformation.
    Type: Application
    Filed: December 14, 2006
    Publication date: April 26, 2007
    Applicant: DSM IP ASSETS B.V.
    Inventors: Wilhelmus Theodorus Antonius De Laat, Johannes Cornelis Preusting, Bertus Koekman
  • Fermentation of clavulanic acid at a controlled level of ammonia
    Patent number: 6991925
    Abstract: A method for the production of clavulanic acid by the fermentation of a clavulanic acid producing microorganism at a controlled level of at least 50 mg/l ammonia has been provided for. Under the application of these reaction conditions surprisingly high production levels of clavulanic acid have been obtained.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: January 31, 2006
    Assignee: DSM IP Assets B.V.
    Inventors: Gesina Visser-Luirink, Wilhelmus Theodorus Antonius De Laat, Jeroen Martijn Klop
  • Fermentation of clavulanic acid at a controlled level of ammonia
    Patent number: 6440708
    Abstract: A method for the production of clavulanic acid by the fermentation of a clavulanic acid producing microorganism at a controlled level of at least 50 mg/l ammonia has been provided for. Under the application of these reaction conditions surprisingly high production levels of clavulanic acid have been obtained.
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: August 27, 2002
    Assignee: DSM N.V.
    Inventors: Gesina Visser-Luirink, Wilhelmus Theodorus Antonius De Laat, Jeroen Martijn Klop