Patents by Inventor Mark J. Weatherley

Mark J. Weatherley 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).

  • Recording element for optical data storage
    Patent number: 4547444
    Abstract: An optical recording element in which information can be recorded and read directly afterwards by means of laser light, comprises a substrate having on at least one side a recording layer including an effective amount of one or more compounds selected from a certain class of trimethine and longer chain aryl polymethine dyes associated with specific counter-ions.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: October 15, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Vivien L. Bell, Ian J. Ferguson, Mark J. Weatherley