Patents by Inventor Kevin M. Cummings

Kevin M. Cummings 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).

  • Publication number: 20190091108
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a phosphate salt. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a phosphate salt and a hardenable resin or a water-dispersible, polymeric film former are also provided.
    Type: Application
    Filed: November 26, 2018
    Publication date: March 28, 2019
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
  • Patent number: 10137061
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a phosphate salt. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a phosphate salt and a hardenable resin or a water-dispersible, polymeric film former are also provided.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: November 27, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
  • Patent number: 9517186
    Abstract: The present application provides a glass composition comprising 10-50% by weight CaO, at least 15% and less than 50% by weight P2O5, less than 3% by weight Al2O3, less than 10% by weight Li2O, Na2O, and K2O combined, and 0-60% by weight of SrO, MgO, BaO, ZnO, or combinations thereof; dental compositions comprising the glass composition, and methods of making and using such dental compositions.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: December 13, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Kevin M. Cummings, Sumita B. Mitra, Paul A. Burgio, Tsi-Zong Tzou, David S. Arney
  • Patent number: 9414995
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: August 16, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
  • Publication number: 20160045401
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.
    Type: Application
    Filed: October 29, 2015
    Publication date: February 18, 2016
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
  • Patent number: 9233054
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: January 12, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
  • Publication number: 20150125823
    Abstract: The present application provides a glass composition comprising 10-50% by weight CaO, at least 15% and less than 50% by weight P2O5, less than 3% by weight Al2O3, less than 10% by weight Li2O, Na2O, and K2O combined, and 0-60% by weight of SrO, MgO, BaO, ZnO, or combinations thereof; dental compositions comprising the glass composition, and methods of making and using such dental compositions.
    Type: Application
    Filed: January 12, 2015
    Publication date: May 7, 2015
    Inventors: Richard P. Rusin, Kevin M. Cummings, Sumita B. Mitra, Paul A. Burgio, Tsi-Zong Tzou, David S. Arney
  • Patent number: 8957126
    Abstract: The present application provides dental compositions, and methods of making and using dental compositions that include a calcium and phosphorus releasing glass. Such dental compositions can be useful for delivering ions to the oral environment.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: February 17, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Kevin M. Cummings, Sumita B. Mitra, Paul A. Burgio, Tsi-Zong Tzou, David S. Arney
  • Publication number: 20140193777
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.
    Type: Application
    Filed: March 13, 2014
    Publication date: July 10, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
  • Patent number: 8710114
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: April 29, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
  • Patent number: 8450388
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: May 28, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings, Paul A. Burgio, Afshin Falsafi
  • Patent number: 8317516
    Abstract: A dental mill blank including a resin and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may have superior cuttability and hardness.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: November 27, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Kevin M. Cummings, Roger J. Carufel
  • Publication number: 20120277343
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided.
    Type: Application
    Filed: July 11, 2012
    Publication date: November 1, 2012
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings, Paul A. Burgio, Afshin Falsafi
  • Patent number: 8278368
    Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: October 2, 2012
    Assignee: 3M Innnovatve Properties Company
    Inventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings, Paul A. Burgio, Afshin Falsafi
  • Patent number: 8136657
    Abstract: Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: March 20, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Naimul Karim, Darin J. Meyertholen, Robert M. Biegler, Kevin M. Cummings, Lance C. Gore, James R. Kvitrud, Robert W. Peterson, Daniel T. Scott
  • Publication number: 20110045436
    Abstract: A dental mill blank including a resin and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may have superior cuttability and hardness.
    Type: Application
    Filed: October 28, 2010
    Publication date: February 24, 2011
    Inventors: RICHARD P. RUSIN, Kevin M. Cummings, Roger J. Carufel
  • Publication number: 20100330524
    Abstract: Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.
    Type: Application
    Filed: September 8, 2010
    Publication date: December 30, 2010
    Inventors: Naimul Karim, Darin J. Meyertholen, Robert M. Biegler, Kevin M. Cummings, Lance C. Gore, James R. Kvitrud, Robert W. Peterson, Daniel T. Scott
  • Patent number: 7845947
    Abstract: A dental mill blank comprising a resin, and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may have superior cuttability and hardness.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: December 7, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Kevin M. Cummings, Roger J. Carufel
  • Publication number: 20100260849
    Abstract: The present application provides compositions comprising a divalent metal cation source or divalent metal cations dissolved in a substantially anhydrous liquid, and methods of making and using the compositions. Such compositions can be useful for remineralizing dental structures and/or providing other useful effects including an anticaries effect.
    Type: Application
    Filed: December 11, 2008
    Publication date: October 14, 2010
    Inventors: Richard P. Rusin, Kevin M. Cummings, Sumita B. Mitra
  • Patent number: 7811486
    Abstract: Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity that may be lined with a mold liner. The mold body may also form the package of the hardenable dental article formed within the mold cavity. In other embodiments, the hardenable dental articles may be provided in mold cavities located in sacrificial mold bodies that may be torn, stretched, softened, dissolved, etc. to release the hardenable dental articles in the mold cavities.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: October 12, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Naimul Karim, Darin J. Meyertholen, Robert M. Biegler, Kevin M. Cummings, Lance C. Gore, James R. Kvitrud, Robert W. Peterson, Daniel T. Scott