Patents by Inventor Richard J. Cosmano

Richard J. Cosmano 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).

  • Coated abrasive containing erodible agglomerates
    Patent number: 5578098
    Abstract: Coated abrasive article comprising a backing bearing on at least one major surface thereof erodible agglomerates and abrasive grains, wherein the erodible agglomerates consist essentially of a grinding aid and the erodible agglomerates are in the form of rods. The erodible agglomerates can be between or above or between and above the abrasive grains. The coated abrasive article of this invention utilizes a higher level of grinding aid than coated abrasive articles of the prior art.
    Type: Grant
    Filed: December 6, 1995
    Date of Patent: November 26, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John J. Gagliardi, Jason A. Chesley, Charles H. Houck, Richard J. Cosmano, Ernest J. Duwell
  • Coated abrasive containing erodable agglomerates
    Patent number: 5454750
    Abstract: Coated abrasive article comprising a backing bearing on at least one major surface thereof erodable agglomerates and abrasive grains, wherein the erodable agglomerates consist essentially of a grinding aid, and optionally, a binder. The erodable agglomerates can be above, between, or beneath the abrasive grains, or the erodable agglomerates can be above, between, and beneath the abrasive grains. The coated abrasive article of this invention utilizes a higher level of grinding aid than coated abrasive articles of the prior art.
    Type: Grant
    Filed: February 5, 1992
    Date of Patent: October 3, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Richard J. Cosmano, Ernest J. Duwell