Patents by Inventor Dirk Volkel

Dirk Volkel 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).

  • Methods for the detection, quantification and differentiation of infectious versus non-infectious pathogens in a sample
    Publication number: 20010034020
    Abstract: Methods are disclosed that permit pathogenic agent detection and differentiation between infectious and non-infectious forms. Specifically, the present invention provides for pathogenic agent detection using nucleic acid amplification and detection techniques. Moreover, these nucleic acid amplification and detection techniques permit infectious pathogens to be distinguished from non-infectious forms. Also disclosed is a method used to detect and distinguishes between infectious and non-infectious pathogens in biological products and pharmaceutical preparations.
    Type: Application
    Filed: December 20, 2000
    Publication date: October 25, 2001
    Applicant: Baxter Aktiengesellschaft
    Inventors: Klaus Zimmermann, Dirk Volkel, Peter Turecek, Hans-Peter Schwarz, Manfred Rieger
  • Microorganisms their use and method of producing L-.alpha.-amino acids
    Patent number: 5827717
    Abstract: The invention relates to novel microorganisms, their use and method of producing L-.alpha.-amino acids. In particular, microorganisms DSM 7329 and 7330 are suitable for the production of L-.alpha.-amino acids from corresponding hydantoins or carbamoyl-.alpha.-amino acids. These novel microorganisms are simple to cultivate and make possible high L-.alpha.-amino acid yields from different substrates.
    Type: Grant
    Filed: February 1, 1996
    Date of Patent: October 27, 1998
    Assignee: Degussa Aktiengesellschaft
    Inventors: Fritz Wagner, Dirk Volkel, Andreas Bommarius, Karlheinz Drauz
  • Microorganisms, their use and method of producing L-.alpha.-amino acids
    Patent number: 5516660
    Abstract: The invention relates to novel microorganisms, their use and method of producing L-.alpha.-amino acids. In particular, microorganisms DSM 7329 and 7330 are suitable for the production of L-.alpha.-amino acids from corresponding hydantoins or carbamoyl-.alpha.-amino acids. These novel microorganisms are simple to cultivate and make possible high L-.alpha.-amino acid yields from different substrates.
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: May 14, 1996
    Assignee: Degussa Aktiengesellschaft
    Inventors: Fritz Wagner, Dirk Volkel, Andreas Bommarius, Karlheinz Drauz