Patents by Inventor Juergen Staffeldt

Juergen Staffeldt 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).

  • Publication number: 20090301527
    Abstract: The invention relates to the use of a cleaning agent which comprises at least two different surfactants, selected from the group including cationic, nonionic and amphoteric surfactants, and which has, when diluted in an aqueous solution and ready for use, a pH of at least 10.5. The cleaning agent is used for killing/inactivating microorganisms which are selected from the group including bacteria, viruses and fungi, during mechanized disinfection of articles.
    Type: Application
    Filed: April 6, 2006
    Publication date: December 10, 2009
    Applicant: Chemische Fabrik Dr. Weigert GmbH & Co. KG
    Inventors: Wolfgang Wagemann, Juergen Staffeldt, Verona Schmidt
  • Patent number: 6562296
    Abstract: The present invention relates to the use of a cleaning composition concentrate in particular for the mechanical cleaning of medical and/or surgical instruments and/or apparatuses and to a process for carrying out this cleaning.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: May 13, 2003
    Assignee: Chemische Fabrik Dr. Weigert GmbH & Co. KG
    Inventors: Petra Tiarks, Jürgen Staffeldt