Patents by Inventor Hans Von Doehren

Hans Von Doehren 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).

  • Method for influencing .beta.-lactam antibiotic production and for isolation of large quantities of ACV synthetase
    Patent number: 5882879
    Abstract: Novel methods and compositions are provided for the enhanced production of .beta.-lactam antibiotics. The process is exemplified by the production of penicillin. In addition, the P. chrysogenum and A. chrysogenum .delta.-(L-.alpha.-aminoadipyl)-L-cysteinyl-D-valine synthetase genes have been isolated and sequenced. Also methods are provided for the production of .delta.-(L-.alpha.-aminoadipyl)-L-cysteinyl-D-valine synthetase using recombined DNA techniques.
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: March 16, 1999
    Assignee: Gist-Brocades, N.V.
    Inventors: Annemarie Veenstra, Juan Francisco Martin, Bruno Diez Garcia, Santiago Gutierez, Jose Luis Barredo, Eduardo Montenegro Prieto, Hans Von Doehren, Harriet Palissa, Henk Van Liempt