Patents by Inventor Edda Arlt

Edda Arlt 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 and reagent for the determination of peracids
    Patent number: 4900682
    Abstract: The invention relates to a method and reagent for the determination of peracids. The method is characterized in that the sample solution is mixed with a chromogen, an iodide and, where appropriate, a buffer-containing reagent, and the color reaction is evaluated, e.g., visually or by spectrophotometry.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: February 13, 1990
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Wolfgang Fischer, Edda Arlt, Barbara Brabander
  • Solvent composition for the determination of water by the Karl Fischer method
    Patent number: 4851352
    Abstract: A solvent composition useful for the determination of water by the Karl Fischer method, comprises an ethylene glycol monoalkyl ether and a tetraalkylated ammonium salt.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: July 25, 1989
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Wolfgang Fischer, Edda Arlt, Karl D. Krenn