Patents by Inventor James Barry Ganci

James Barry Ganci 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).

  • Use of aromatic compounds as phase directors and particle size reducers for quinacridone pigments
    Patent number: 6626990
    Abstract: The present invention relates to a process for producing alpha, gamma-I, gamma-II and gamma-III crystal modifications of quinacridone and transparent quinacridone pigments including the solid solutions of various quinacridones, using a variety of tris-aryl-s-triazines, particularly resorcinol triazine derivatives, or aromatic- or heteraromatic-compounds having at least one hydroxyl or keto group bonded to the ring, as an additive, prior to or concurrently with the oxidation of corresponding dihydroquinacridone salts.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: September 30, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Shivakumar Basalingappa Hendi, Suruliappa Gowder Jeganathan, James Barry Ganci
  • Use of aromatic compounds as phase directors and particle size reducers for quinacridone pigments
    Publication number: 20020161232
    Abstract: The present invention relates to a process for producing alpha, gamma-I, gamma-II and gamma-III crystal modifications of quinacridone and transparent quinacridone pigments including the solid solutions of various quinacridones, using a variety of tris-aryl-s-triazines, particularly resorcinol triazine derivatives, or aromatic- or heteraromatic-compounds having at least one hydroxyl or keto group bonded to the ring, as an additive, prior to or concurrently with the oxidation of corresponding dihydroquinacridone salts.
    Type: Application
    Filed: March 18, 2002
    Publication date: October 31, 2002
    Inventors: Shivakumar Basalingappa Hendi, Suruliappa Gowder Jeganathan, James Barry Ganci
  • Elastic resistor compositions containing metallic-conductive particles and conductive lubricant particles
    Patent number: 4076652
    Abstract: Elastic resistor compositions comprising metallic-conductive particles and solid conductive lubricant particles codistributed in a matrix of a curable, elastomer-forming polymer and the cured compositions formed therefrom. Elastic resistors made from said compositions are also disclosed.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: February 28, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James Barry Ganci, Sebastian V. R. Mastrangelo