Patents by Inventor Karen Lea Pauls

Karen Lea Pauls 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 forming particulate materials for thin-film solar cells
    Patent number: 6821559
    Abstract: A method for preparing particulate materials useful in fabricating thin-film solar cells is disclosed. Particulate materials is prepared by the method include for example materials comprising copper and indium and/or gallium in the form of single-phase, mixed-metal oxide particulates; multi-phase, mixed-metal particulates comprising a metal oxide; and multinary metal particulates.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: November 23, 2004
    Inventors: Chris Eberspacher, Karen Lea Pauls
  • Method for forming particulate materials
    Publication number: 20020006470
    Abstract: A method for preparing materials in particulate and bulk forms is disclosed. Particulate materials prepared by the method include for example single-phase, mixed-metal oxide materials; multi-phase, mixed-metal materials comprising a metal oxide; and multinary metal materials.
    Type: Application
    Filed: July 3, 2001
    Publication date: January 17, 2002
    Inventors: Chris Eberspacher, Karen Lea Pauls
  • Method for forming solar cell materials from particulars
    Patent number: 6268014
    Abstract: Materials in bulk and film forms are prepared from fine particulate precursors such as single-phase, mixed-metal oxides; multi-phase, mixed-metal particles comprising a metal oxide; multinary metal particles; mixtures of such particles with other particles; and particulate materials intercalated with other materials.
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: July 31, 2001
    Inventors: Chris Eberspacher, Karen Lea Pauls