Patents by Inventor Peter W. Stephens

Peter W. Stephens 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 ERLOTINIB BASE AND ERLOTINIB HCL
    Publication number: 20100004449
    Abstract: The preparation of crystalline Erlotinib base form G2 is described. This crystalline form can be converted to an Erlotinib salt, such as Erlotinib HCl, which can be used in the treatment of patients with locally advanced or metastatic non-small cell lung cancer (NSCLC).
    Type: Application
    Filed: July 7, 2009
    Publication date: January 7, 2010
    Applicant: PLUS CHEMICALS SA
    Inventors: Ales GAVENDA, Pavel VRASPIR, Augusto CANAVESI, Judith ARONHIME, Ettore BIGATTI, Jiri FAUSTMANN, Alexandr JEGOROV, Peter W. STEPHENS, Giovanna LUX, Maurizio PAIOCCHI
  • X-ray diffraction inspection system
    Patent number: 5007072
    Abstract: An inspection system for detecting the presence of selected crystalline materials, such as explosives or drugs, utilizing an x-ray source and a collimated array of detectors to sense radiation scattered by the objects being inspected. A signal processing system compares the measured signal with selected spectra to determine whether specific materials are present within the inspected object.
    Type: Grant
    Filed: August 3, 1988
    Date of Patent: April 9, 1991
    Assignee: Ion Track Instruments
    Inventors: Anthony Jenkins, Peter W. Stephens