Patents by Inventor Gerald E. Korbel

Gerald E. Korbel 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).

  • Splice means, a method of splicing an abrasive article with same and the spliced abrasive article formed thereby
    Patent number: 5840141
    Abstract: A splice having (a) a support comprising a polymeric film having a major surface; and (b) a fiber reinforcement comprising a plurality of monofilaments where the monofilaments have longitudinal axes extending in a parallel direction, one to another, across the major surface, and the monofilaments are bonded to the major surface of the support by a fiber adhesive, where the fiber adhesive is a moisture-cured polyurethane adhesive. The invention also relates to methods and products thereof for using the splice to form spliced flexible abrasive articles, including endless belt forms.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: November 24, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Gerald E. Korbel
  • Splice means, a method of splicing an abrasive article with same and the spliced abrasive article formed thereby
    Patent number: 5595804
    Abstract: A splice means having a support means comprising a polymeric film having a major surface; and (b) a fiber reinforcement means comprising a plurality of monofilaments where the monofilaments have longitudinal axes extending in a parallel direction, one to another, across the major surface, and the monofilaments are bonded to the major surface of the support means by a fiber adhesive, where the fiber adhesive is a moisture-cured polyurethane adhesive. The invention also relates to methods and products thereof for using the splice means to form spliced flexible abrasive articles, including endless belt forms.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: January 21, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Gerald E. Korbel
  • Coated abrasive containing epoxy binder and method of producing the same
    Patent number: 4553982
    Abstract: The use of an aromatic amine salt of a substituted pentafluoroantimonic acid as a curing agent for epoxy resins, and the use of the epoxy resin compositions as binders for abrasives in abrasive sheet products, are disclosed. The aromatic amines are selected from aniline and hindered aromatic amines.
    Type: Grant
    Filed: March 5, 1985
    Date of Patent: November 19, 1985
    Assignee: Minnesota Mining and Manufacturing Co.
    Inventors: Gerald E. Korbel, Janis Robins, Harold E. Rude
  • Latent Lewis acid catalyst encapsulated within polymerized cycloaliphatic epoxide and polyhydric alcohol
    Patent number: 4503161
    Abstract: Microcapsules with liquid fills containing Lewis acid catalysts, catalyst concentrates comprising slurries of the microcapsules in liquid media, and a method for preparing the microcapsules and concentrates. The catalyst concentrates of the present invention are storage stable both alone and when incorporated in a one-part epoxy formulation.
    Type: Grant
    Filed: March 23, 1984
    Date of Patent: March 5, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gerald E. Korbel, Richard G. Newell