Patents by Inventor Robert James Modahl

Robert James Modahl 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).

  • Absorbent refrigerant composition
    Patent number: 6361710
    Abstract: An absorbent refrigerant composition containing an aqueous solution of zinc and lithium bromides with an added amount of hydroxide ions. The addition of the hydroxide ions lowers the corrosion rate of the composition to an acceptable level without raising the freeze point of the composition. The composition is particularly suitable for use as an absorbent refrigerant composition in the high temperature loop of a dual loop triple effect absorption refrigeration apparatus.
    Type: Grant
    Filed: April 26, 1994
    Date of Patent: March 26, 2002
    Assignee: Gas Research Institute
    Inventor: Robert James Modahl