Patents by Inventor Rolf Vormbrock

Rolf Vormbrock 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).

  • PROSECC AN MEANS FOR ENZYMATIC DETERMINATION OF ACETATE
    Publication number: 20100159495
    Abstract: The invention relates to a method and means for the enzymatic determination of acetate. The method according to the invention facilitates for the first time reflectometric detection by means of a test strip.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 24, 2010
    Inventor: Rolf Vormbrock
  • Process and composition for the removal of turbidity from biological fluids
    Patent number: 5258315
    Abstract: A process and a composition for the removal of turbidity from biological fluids by the addition of surface-active agents, which is characterized in that the surface-active agents used area. an alkyldimethylbenzylammonium compound,b. a polyethoxylated triester of sorbitan or sorbiol with long-chain fatty acids,c. optionally, an amphoteric surfactant,d. optionally, a buffer, ande. optionally, a saltin aqueous solution.
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: November 2, 1993
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventor: Rolf Vormbrock
  • Method and agent for the stabilization of alkaline phosphatase
    Patent number: 4400464
    Abstract: Alkaline phosphatase is stabilized in buffer solutions. This is accomplished by adding a water soluble complex of zinc ions and a chelating agent to the buffer.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: August 23, 1983
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Rolf Vormbrock, Roland Helger
  • Hemolysing solution preparing hemolysed blood having a stabilized glucose content
    Patent number: 4297238
    Abstract: A hemolysing solution for use in the determination of glucose in a whole blood sample which comprises (a) a buffer providing a pH of about 6-8, (b) sodium chloride, (c) a surface active agent and, (d) a chelating agent which in the presence of component (c) serves as a stabilizer against glycolysis in the hemolysate obtained by contacting the blood sample with said hemolysing solution.
    Type: Grant
    Filed: November 21, 1979
    Date of Patent: October 27, 1981
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Rolf Vormbrock, Roland Helger