Patents by Inventor Sergio Nebel

Sergio Nebel 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).

  • Patent number: 4438027
    Abstract: New compounds of the formula: ##STR1## where n, x, y and z have value 1 or 2, their process of preparation and their use as dielectrics such as insulating fluids for transformers alone or in mixture with one or more products of general formula: ##STR2## where a varies from 2 to 4, b varies from 0 to 2 and R is an aliphatic hydrocarbon radical containing from 1 to 3 carbon atoms.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: March 20, 1984
    Assignee: PCUK Produits Chimiques Ugine Kuhlmann
    Inventors: Henri Mathais, Raymond Commandeur, Achille Pontoglio, Sergio Nebel