Patents by Inventor Saija Paakkonen

Saija Paakkonen 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).

  • Diluent free epoxy resin formulation
    Publication number: 20080051549
    Abstract: An epoxy resin formulation is disclosed. Such a formulation is suitable for the use as coil insulation material, wherein the formulation includes (a) a purified grade of at least one diglycidyl ether of a bisphenol compound or at least one cycloaliphatic diglycidyl ether compound or a mixture of such compounds, wherein the compounds have an epoxy equivalent weight not exceeding 10% of the minimum epoxy equivalent weight calculated for each compound; and (b) the formation optionally includes up to 50% by weight of a diglycidyl ether of a bisphenol compound or of a cycloaliphatic diglycidyl ether compound or a novolac epoxy or a mixture of such compounds, wherein the compounds have an epoxy equivalent weight exceeding 10% of the minimum epoxy equivalent weight calculated for each compound; and (c) a polymerization catalyst.
    Type: Application
    Filed: July 19, 2007
    Publication date: February 28, 2008
    Applicant: ABB Research LTD
    Inventors: Cherif Ghoul, Xavier Kornmann, Saija Paakkonen, Hans-Ake Eriksson, Osmo Koponen, Stefano Chieregato