Patents by Inventor Philip M. McGenity

Philip M. McGenity 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).

  • Patent number: 5478388
    Abstract: There is disclosed a paper coating pigment comprising:(a) from 10% to 100% by weight of a first paper coating pigment having a particle size distribution such that at least 75% by weight of the particles have an equivalent spherical diameter smaller than 2 .mu.m and at least 60% by weight have an equivalent spherical diameter smaller than 1 .mu.m, the average particle aspect ratio of the size fraction having an equivalent spherical diameter predominantly smaller than 1 .mu.m being 25 or greater; and(b) up to 90% by weight of a second paper coating pigment.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: December 26, 1995
    Assignee: ECC International Limited
    Inventors: Patrick A. C. Gane, Philip M. McGenity