Patents by Inventor DENNIS PAUL LESTER

DENNIS PAUL LESTER 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).

  • Deaerated talc and related methods
    Patent number: 10207933
    Abstract: A deaerated talc may include micronized, talc powder having a Hegman rating of 4.0 or greater. A deaerated talc may include micronized talc powder having enough cohesive strength for form agglomerations measuring 100 millimeters or less, 75 millimeters or less, or 50 millimeters or less. A deaerated talc product may include a micronized talc powder, and a bag containing the deaerated talc. The micronized talc powder may be deaerated via application of force to the micronized talc powder in at least two directions, including a first direction substantially parallel to the longitudinal direction of the bag and a second direction.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: February 19, 2019
    Assignee: Imerys Talc America, Inc.
    Inventors: Peter Rugheimer, Robert Beck, Dennis Paul Lester
  • DEAERATED TALC AND RELATED METHODS
    Publication number: 20150344315
    Abstract: A deaerated talc may include micronized, talc powder having a Hegman rating of 4.0 or greater. A deaerated talc may include micronized talc powder having enough cohesive strength for form agglomerations measuring 100 millimeters or less, 75 millimeters or less, or 50 millimeters or less. A deaerated talc product may include a micronized talc powder, and a bag containing the deaerated talc. The micronized talc powder may be deaerated via application of force to the micronized talc powder in at least two directions, including a first direction substantially parallel to the longitudinal direction of the bag and a second direction.
    Type: Application
    Filed: January 17, 2014
    Publication date: December 3, 2015
    Inventors: PETER RUGHEIMER, ROBERT BECK, DENNIS PAUL LESTER