Patents by Inventor Gregory A. Berg

Gregory A. Berg 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).

  • Composition, treated backing, and abrasive articles containing the same
    Patent number: 7344575
    Abstract: A curable composition comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional urethane(meth)acrylate, dicyandiamide and photoinitiator. The curable composition is useful for preparing treated backings and coated abrasive articles.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: March 18, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: Ernest L. Thurber, Marcos R. Nery, Jeffrey S. Peterson, Don H. Kincaid, Gregory A. Berg, James L. McArdle, Steven J. Keipert
  • Abrasive articles and methods of making and using same
    Patent number: 5378251
    Abstract: An abrasive article is presented which includes a backing having a front and back surface, and an abrasive coating bonded to the front surface of the backing. The abrasive coating comprises a homogeneous mixture of a plurality of abrasive particles, a binder and a grinding aid. The binder serves to bond the abrasive coating to the backing and the grinding aid comprises at least 1% by weight of the abrasive coating, but not more than 50% by weight. It is preferred that the abrasive coating consists essentially of a plurality of precisely shaped abrasive composites. Methods of making and using the abrasive articles are also presented.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: January 3, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Scott R. Culler, Gregory A. Berg, Jon R. Pieper, Richard M. Olson