Patents by Inventor William H. Fink

William H. Fink 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).

  • Method of making a high temperature capability water soluble polyester insulating resin solution
    Patent number: 4220752
    Abstract: A high temperature capability, water soluble polyester resin solution is made by esterifying an admixture comprising: an organic, aliphatic dihydric alcohol, an organic, polycarboxylic acid containing major portions of aromatic tricarboxylic acid, an organic, aliphatic dicarboxylic acid, and tris (2 hydroxy alkyl) isocyanurate; and then adding an amount of organic solvent effective to provide a solution; wherein the esterification is continued until the acid value drops to between about 35 to about 45 and wherein the mole ratio of OH/COOH=1.1 to 2.0.
    Type: Grant
    Filed: August 14, 1978
    Date of Patent: September 2, 1980
    Assignee: Westinghouse Electric Corp.
    Inventors: Daniel R. Sassano, William H. Fink