Patents by Inventor Eszter N. Kerii

Eszter N. Kerii 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).

  • Coolant composition containing potassium formate and potassium acetate and method of use
    Patent number: 5104562
    Abstract: A frost resistant glycol-free coolant composition or process for cooling apparatus is used for cooling, with such composition, which comprises an aqueous solution of a water soluble alkali metal salt, or a mixture of two alkali metal salts. Particularly suitable alkali metal salts are alkali metal acetate and alkali metal formate. Depending on the nature of the particular alkali metal salt or salts, and the extent of frostproofness that is required, the compositon can further contain urea and/or a glycol antifreeze, such as ethylene glycol. Optionally a corrosion inhibitor can also be used.
    Type: Grant
    Filed: August 3, 1990
    Date of Patent: April 14, 1992
    Assignee: Eszakmagyarorszagi Vegyimuvek
    Inventors: Peter Kardos, Tibor Kalman, Jozsef Kerii, Eszter N. Kerii