Patents by Inventor Sumita B. Mitra

Sumita B. Mitra 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: 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: 9012531
    Abstract: Hardenable compositions are described comprising at least one multifunctional ethylenically unsaturated isocyanurate monomer and at least one multifunctional ethylenically unsaturated tricyclodecane monomer. In favored embodiments, the compositions further comprise filler and are suitable dental restorations.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: April 21, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Ahmed S. Abuelyaman, Adrian S. Eckert, Sumita B. Mitra, Timothy D. Dunbar, Bradley D. Craig, Chuntao Cao
  • Patent number: 8979536
    Abstract: A hardenable dental article including a base and at least one outer surface extending from the base, wherein at least the base and the at least one outer surface of the hardenable dental article includes a hardenable dental material; and a multi-layer polymeric film conformable release liner in contact with at least a portion of the at least one outer surface.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: March 17, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Todd D. Jones, Sumita B. Mitra, Gerald S. Deeb, Yufeng Liu, Jie Yang, Naimul Karim, Dwight W. Jacobs
  • Patent number: 8968709
    Abstract: Dental compositions are provided comprising a compound of Formula (I) or a pharmaceutically acceptable salt thereof: wherein n is an integer from about 2 to about 5.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: March 3, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Jie Yang, Bhaskar V. Velamakanni, Sumita B Mitra, Alphonsus V. Pocius, John J. Stofko, Jr., Jeremy M. Yarwood
  • Publication number: 20150050366
    Abstract: Some embodiments of a system or method for applying a barrier composition to a targeted skin surface can be used to as a preventative measure to reduce the likelihood of transmission of microbial entities from an external source (e.g., a floor surface or another surface) to the targeted skin surface.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 19, 2015
    Inventors: Aner Vlodaver, Benhoor Soumekh, Smarajit Mitra, Sumita B. Mitra
  • 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
  • Patent number: 8900556
    Abstract: Thermally responsive compositions that include a thermally responsive viscosity modifier, a polymerizable component, and water are provided. The compositions, which optionally may be hardened, are useful for application to a surface of a body.
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: December 2, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Joel D. Oxman, Mai T. Nguyen, Sumita B. Mitra, Hoa T. Bui, Jingwen Ma, Jie J. Liu, Mahfuza B. Ali
  • Publication number: 20140271498
    Abstract: Calcium phosphate particles are described comprising a surface treatment wherein the surface treatment comprises at least one sugar alcohol. Also described are various oral care compositions comprising surface treated calcium phosphate particles and methods of surface treating calcium phosphate particles.
    Type: Application
    Filed: May 30, 2014
    Publication date: September 18, 2014
    Applicant: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Neeraj Sharma, Sumita B. Mitra
  • Publication number: 20140220512
    Abstract: Hardenable compositions are described comprising at least one multifunctional ethylenically unsaturated isocyanurate monomer and at least one multifunctional ethylenically unsaturated tricyclodecane monomer. In favored embodiments, the compositions further comprise filler and are suitable dental restorations.
    Type: Application
    Filed: February 6, 2012
    Publication date: August 7, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Ahmed S. Abuelyaman, Adrian S. Eckert, Sumita B. Mitra, Timothy D. Dunbar, Bradley D. Craig, Chuntao Cao
  • Patent number: 8790707
    Abstract: Calcium phosphate particles are described comprising a surface treatment wherein the surface treatment comprises at least one sugar alcohol, at least one glycerophosphoric acid compound, or mixture thereof. Also described are various oral care compositions comprising surface treated calcium phosphate particles and methods of surface treating calcium phosphate particles.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: July 29, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Neeraj Sharma, Sumita B. Mitra
  • 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: 8647608
    Abstract: Dental compositions are provided comprising a compound of Formula I or a pharmaceutically acceptable salt thereof: wherein n is an integer from about 2 to about 5.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: February 11, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Jie Yang, Bhaskar V. Velamakanni, Sumita B. Mitra, Alphonsus V. Pocius, John J. Stofko, Jr., Jeremy M. Yarwood
  • Patent number: 8557893
    Abstract: Substituted saccharide compounds, dental compositions comprising substituted saccharide compounds, and methods of using dental compositions are described. In one embodiment, the substituted saccharide amide compound comprises a hydrophobic group and at least one free-radically polymerizable group with the proviso that the hydrophobic group is not bonded to the ethylenically unsaturated carbon atom of the free-radically polymerizable group. The hydrophobic group is typically bonded to a nitrogen atom of a saccharide amine residue or a carbonyl moiety of saccharide amide residue.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: October 15, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Jie Yang, Sumita B. Mitra, Yi He, Brian A. Shukla, Naimul Karim, Afshin Falsafi, Richard B. Ross, Paul R. Klaiber, George W. Griesgraber
  • Patent number: 8552086
    Abstract: A hardenable dental composition that includes a polymerizable component and an organogelator.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: October 8, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Naimul Karim, Todd D. Jones, Kevin M. Lewandowski, Bradley D. Craig, Sumita B. Mitra, Jie Yang
  • Publication number: 20130164709
    Abstract: Substituted saccharide compounds, dental compositions comprising substituted saccharide compounds, and methods of using dental compositions are described. In one embodiment, the substituted saccharide amide compound comprises a hydrophobic group and at least one free-radically polymerizable group with the proviso that the hydrophobic group is not bonded to the ethylenically unsaturated carbon atom of the free-radically polymerizable group. The hydrophobic group is typically bonded to a nitrogen atom of a saccharide amine residue or a carbonyl moiety of saccharide amide residue.
    Type: Application
    Filed: August 19, 2011
    Publication date: June 27, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jie Yang, Sumita B. Mitra, Yi He, Brian A. Shukla, Naimul Karim, Afshin Falsafi, Richard B. Ross, Paul R. Klaiber, George W. Griesgraber
  • 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
  • Publication number: 20130130203
    Abstract: Provided are methods of improving the wear resistance and aesthetic properties of dental articles, as well as dental articles having an abrasion resistant polymeric coating thereon.
    Type: Application
    Filed: August 8, 2011
    Publication date: May 23, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Bhaskar V. Velamakanni, Todd D. Jones, Sumita B. Mitra, Anupa N. Patel
  • Patent number: 8445558
    Abstract: A hardenable dental composition that includes a polymerizable component and an organogelator.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: May 21, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Naimul Karim, Todd D. Jones, Kevin M. Lewandowski, Bradley D. Craig, Sumita B. Mitra, Jie Yang
  • Patent number: 8404144
    Abstract: The present invention is directed to compositions containing one or more polymerizable bisphosphonic acids and optionally one or more additional polymerizable components.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: March 26, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Ahmed S. Abuelyaman, Gail S. Boardman, Brian A. Shukla, Steven M. Aasen, Sumita B. Mitra, Markus Mikulla, David K. Cinader, Jr.