Patents by Inventor Lance E. Rowley

Lance E. Rowley 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).

  • Comminution process and pigment
    Patent number: 4127420
    Abstract: A process of comminution comprising firstly grinding a mixture of a crude pigment and a fugitive auxiliary and secondly deactivating the fugitive auxiliary.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: November 28, 1978
    Assignee: Pigment Manufacturers of Australia Limited
    Inventors: Dominic R. Harris, Lance E. Rowley