Patents by Inventor Hanz-Georg Rey

Hanz-Georg Rey 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).

  • Diagnostic agent for the detection of protein in body fluids
    Patent number: 4260777
    Abstract: Protein in body fluids, e.g., urine, is detected by contacting a sample of the body fluid with a diagnostic agent comprising an absorbent carrier impregnated with a pH indicator of the octahalosulfophthalein group, a buffer, and at least one linear or branched chain polypropylene glycol immiscible with water; the resulting test papers are highly sensitive to protein without being subject to interfering effects by nitrogen-containing compounds.
    Type: Grant
    Filed: November 10, 1976
    Date of Patent: April 7, 1981
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter Rittersdorf, Werner Guthlein, Wolfgang Werner, Hanz-Georg Rey, Peter Rieckmann
  • Diagnostic means for the detection of protein in body fluids
    Patent number: 4013416
    Abstract: Protein in body fluids, e.g., urine, is detected by contacting a sample of the body fluid with a diagnostic agent comprising an absorbent carrier impregnated with a pH indicator of the octahalosulfophthalein group, a buffer, and at least one linear or branched chain polypropylene glycol immiscible with water; the resulting test papers are highly sensitive to protein without being subject to interfering effects by nitrogen-containing compounds.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: March 22, 1977
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Walter Rittersdorf, Werner Guthlein, Wolfgang Werner, Hanz-Georg Rey, Peter Rieckmann