Patents by Inventor Michael N. Berry

Michael N. Berry 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).

  • Determination of potassium ions in fluids
    Patent number: 5501958
    Abstract: A process and a reagent for the determination of ions in fluids, wherein the influence of these ions on the activity of an enzyme is measured. The ions for example are sodium, potassium, calcium, magnesium, manganese, lithium, lead, zinc, copper, iron or other heavy metals or non-metallic ions comprising chloride, bicarbonate, protons, ammonium and substances that give rise to ammonium. The enzymes which are used may be a transferase, a hydrolase, an oxidoreductase or a lyase. An essential feature is a method to exclude interferences by ions by masking the interfering ions with a binding agent.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: March 26, 1996
    Assignees: Boehringer Mannheim GmbH, The Flinder University of South Australia
    Inventors: Michael N. Berry, Michael-Harold Town, Georg-Burkhard Kresse, Uwe Herrmann
  • Determination of ions in fluids
    Patent number: 5409814
    Abstract: A process and a reagent for the determination of ions in fluids, wherein the influence of these ions on the activity of an enzyme is measured. The ions for example are sodium, potassium, calcium, magnesium, manganese, lithium, lead, zinc, copper, iron or other heavy metals or non-metallic ions comprising chloride, bicarbonate, protons, ammonium and substances that give rise to ammonium. The enzymes which are used may be a transferase, a hydrolase, an oxidoreductase or a lyase. An essential feature is a method to exclude interferences by ions by masking the interfering ions with a binding agent.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: April 25, 1995
    Assignees: Boehringer Mannheim GmbH, The Flinders University of South Australia
    Inventors: Michael N. Berry, Michael-Harold Town, Georg-Burkhard Kresse, Uwe Herrmann
  • Determination of ions in fluids by a process involving displacement of indicator ions
    Patent number: 5384246
    Abstract: A process and a reagent for the determination of ions in fluids, wherein the influence of these ions on the activity of an enzyme is measured. The ions for example are sodium, potassium, calcium, magnesium, manganese, lithium, lead, zinc, copper, iron or other heavy metals or non-metallic ions comprising chloride, bicarbonate, protons, ammonium and substances that give rise to ammonium. The enzymes which are used may be a transferase, a hydrolase, an oxidoreductase or a lyase. An essential feature is a method to exclude interferences by ions by masking the interfering ions with a binding agent.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: January 24, 1995
    Assignees: Boehringer Mannheim GmbH, The Flinders University of South Australia
    Inventors: Michael N. Berry, Michael-Harold Town, Georg-Burkhard Kresse, Uwe Herrmann
  • Determination of sodium ions in fluids
    Patent number: 5384247
    Abstract: A process and a reagent for the determination of ions in fluids, wherein the influence of these ions on the activity of an enzyme is measured. The ions for example are sodium, potassium, calcium, magnesium, manganese, lithium, lead, zinc, copper, iron or other heavy metals or non-metallic ions comprising chloride, bicarbonate, protons, ammonium and substances that give rise to ammonium. The enzymes which are used may be a transferase, a hydrolase, an oxidoreductase or a lyase. An essential feature is a method to exclude interferences by ions by masking the interfering ions with a binding agent.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: January 24, 1995
    Assignees: Boehringer Mannheim, GmbH, The Flinders University of South Australia
    Inventors: Michael N. Berry, Michael-Harold Town, Georg-Burkhard Kresse, Uwe Hermann
  • Enzymatic determination of analyte ions in fluids by optimizing measurement levels
    Patent number: 5380649
    Abstract: A process and a reagent for the determination of ions in fluids, wherein the influence of these ions on the activity of an enzyme is measured. The ions for example are sodium, potassium, calcium, magnesium, manganese, lithium, lead, zinc, copper, iron or other heavy metals or non-metallic ions comprising chloride, bicarbonate, protons, ammonium and substances that give rise to ammonium. The enzymes which are used may be a transferase, a hydrolase, an oxidoreductase or a lyase. An essential feature is a method to exclude interferences by ions by masking the interfering ions with a binding agent.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: January 10, 1995
    Assignees: Boehringer Mannheim GmbH, The Flinders University of South Australia
    Inventors: Michael N. Berry, Michael-Harold Town, Georg-Burkhard Kresse, Uwe Herrmann