Patents by Inventor Ulrich Brethauer

Ulrich Brethauer 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).

  • Use of Polyoxyalkylene Diamine-Based Polyguanidine Derivatives for Medical Articles
    Publication number: 20120283664
    Abstract: The invention relates to the use of at least one polymeric guanidine derivative having a biocidal effect, which can be obtained by polycondensating a guanidine acid addition salt with an amine mixture containing at least one diamine, which is selected from the group consisting of alkylene diamine and oxyalkylene diamine, as an additive in a composition for medical articles. The invention further relates to medical articles containing polyguanidines as an additive.
    Type: Application
    Filed: November 12, 2010
    Publication date: November 8, 2012
    Applicant: B. BRAUN MELSUNGEN AG
    Inventors: Thomas Riemann, André Weiss, Jürgen Schmitt, Ulrich Brethauer, Martin Sippel
  • Apparatus to determine the sedimentation rate of red blood cells
    Patent number: 4187719
    Abstract: Apparatus for the determination of the sedimentation rate of red blood cells comprising a sedimentation tube adapted to hold a blood column, and a closure valve on one end of the sedimentation tube with said closure valve having a self-sealing valve means.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: February 12, 1980
    Assignee: B. Braun Melsungen Aktiengesellschaft
    Inventor: Ulrich Brethauer