Patents by Inventor Daniel John Hoffman

Daniel John Hoffman 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).

  • CRYSTALLINE FORMS OF A PARP1 INHIBITOR
    Publication number: 20240174669
    Abstract: Described herein are crystalline forms of 5-(4-((7-cyclopropyl-6-oxo-5,6-dihydro-1,5-naphthyridin-3-yl)methylipiperazin-1-yl)-N-methylpicolinamide (compound 1), or a pharmaceutically acceptable salt of solvate thereof.
    Type: Application
    Filed: October 5, 2023
    Publication date: May 30, 2024
    Inventors: Jayachandra P. REDDY, Daniel John GANLEY, Robert L. HOFFMAN
  • Method and apparatus for preventing arcing at ports exposed to a plasma in plasma processing chambers
    Patent number: 7943006
    Abstract: A method and apparatus for preventing arcing at a port exposed to a plasma in a plasma chamber use circuit components causing a door sealing the port to provide a short circuit path at excitation frequency of the plasma. In one embodiment, the door is a slit valve door sealing a substrate transfer port of an etch chamber.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: May 17, 2011
    Assignee: Applied Materials, Inc.
    Inventor: Daniel John Hoffman
  • METHOD AND APPARATUS FOR PREVENTING ARCING AT PORTS EXPOSED TO A PLASMA IN PLASMA PROCESSING CHAMBERS
    Publication number: 20080141940
    Abstract: A method and apparatus for preventing arcing at a port exposed to a plasma in a plasma chamber use circuit components causing a door sealing the port to provide a short circuit path at excitation frequency of the plasma. In one embodiment, the door is a slit valve door sealing a substrate transfer port of an etch chamber.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 19, 2008
    Inventor: DANIEL JOHN HOFFMAN