Patents by Inventor Enrique A. Nikutowski

Enrique A. Nikutowski 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).

  • Adhesive for use in the oral environment having color-changing capabilities
    Patent number: 6528555
    Abstract: An adhesive suitable for use in the oral environment is provided. The adhesive comprises a filler, hardenable resin, a hardener, and a colorant, the composition has an initial color prior to exposure to actinic radiation and a final color that is different from the initial color subsequent to the composition being exposed to actinic radiation. The adhesive can be precoated on to orthodontic appliances.
    Type: Grant
    Filed: October 12, 2000
    Date of Patent: March 4, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Enrique A. Nikutowski, Darrell S. James
  • Coated orthodontic archwire
    Patent number: 5288230
    Abstract: An orthodontic archwire is coated with a hard carbon coating of polycrystalline diamond, diamond-like amorphous hydrogen-free carbon, diamond-like hydrogenated amorphous carbon, or combinations thereof. The hard carbon coating presents a barrier to nickel and chromium that might otherwise diffuse from an underlying metal substrate, and as such is useful for patients exhibiting sensitivity to nickel and chromium.
    Type: Grant
    Filed: January 29, 1993
    Date of Patent: February 22, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Enrique A. Nikutowski, Randall E. Adam, David G. O'Neill
  • Coated dental article
    Patent number: 5203804
    Abstract: A dental article is coated with a hard carbon coating of polycrystalline diamond, diamond-like amorphous hydrogen-free carbon, diamond-like hydrogenated amorphous carbon, or combinations thereof. The hard carbon coating presents a barrier to nickel and chromium that might otherwise diffuse from an underlying metal substrate, and as such is useful for patients exhibiting sensitivity to nickel and chromium.
    Type: Grant
    Filed: July 18, 1991
    Date of Patent: April 20, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Enrique A. Nikutowski, Randall E. Adam, David G. O'Neill