Patents by Inventor Keith Stephen Ruddock

Keith Stephen Ruddock 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 material
    Patent number: 6680334
    Abstract: The present invention relates to amlodipine free base in a crystalline form, to pharmaceutical formulations comprising such material, processes of manufacture and its use in therapy.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: January 20, 2004
    Assignee: Pfizer Inc
    Inventors: Alan Craig Bentham, Alan John Pettman, Keith Stephen Ruddock
  • Crystalline material
    Publication number: 20030119883
    Abstract: The present invention relates to amlodipine free base in a crystalline form, to pharmaceutical formulations comprising such material, processes of manufacture and its use in therapy.
    Type: Application
    Filed: August 20, 2002
    Publication date: June 26, 2003
    Applicant: Pfizer Inc.
    Inventors: Alan Craig Bentham, Alan John Pettman, Keith Stephen Ruddock