Patents by Inventor Joel D. Oxman

Joel D. Oxman 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).

  • Patent number: 7632098
    Abstract: The present invention is directed to dental compositions that can be used as adhesives for bonding a dental material to a dental structure surface and/or as a dental restorative material. The dental composition is preferably applied to a dental structure surface under conditions effective to etch the dental structure surface.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: December 15, 2009
    Assignee: 3M Innovative Properties Company
    Inventors: Afshin Falsafi, Steven M. Aasen, Ahmed S. Abuelyaman, David K. Cinader, Bradley D. Craig, Reinhold Hecht, Thomas Luchterhandt, Sumita B. Mitra, Joel D. Oxman, Prabhakara S. Rao, Brian A. Shukla, Markus Watermann
  • Publication number: 20090192239
    Abstract: This invention relates to polymerizable compositions comprising a salt of a barbituric acid derivative. The compositions are typically shelf-life stable and may be polymerized through mixing of an acidic component with the salt of a barbituric acid derivative.
    Type: Application
    Filed: May 31, 2007
    Publication date: July 30, 2009
    Inventors: Reinhold Hecht, Manfred Ludsteck, Gioacchino Raia, Joel D. Oxman
  • Patent number: 7537452
    Abstract: The invention features a photopolymerizable composition that comprises a cationically polymerizable resin, and a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and one or more anthracene-based compounds as electron donors. Electron donor combinations used in the invention include multiple substituted anthracene compounds or a combination of at least one substituted anthracene compound with unsubstituted anthracene.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: May 26, 2009
    Assignees: Curators of the University of Missouri, 3M Innovative Properties Company 3M Center, 3M ESPE AG
    Inventors: Joel D. Oxman, Karsten Dede, Craig A. Dykstra, Victoria A. Russell, Christoph Thalacker, Wolfgang Weinmann
  • Publication number: 20090005469
    Abstract: The invention features a polymerizable composition that comprises a free-radically polymerizable acidic resin, and a photoinitiator system comprising a polycyclic aromatic component. The photoinitiator system may also contain a visible light sensitizer, an iodonium salt, and a tertiary amine.
    Type: Application
    Filed: December 22, 2006
    Publication date: January 1, 2009
    Inventors: Bradley D. Craig, Brian A. Shukla, Joel D. Oxman, Victoria A. Russell
  • Patent number: 7465758
    Abstract: Polymerizable compositions and methods are provided that include an ethylenically unsaturated compound and an arylsulfinate salt. The polymerizable compositions are useful as hardenable dental compositions.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: December 16, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: Afshin Falsafi, Rajdeep S. Kalgutkar, Joel D. Oxman
  • Publication number: 20080299519
    Abstract: Methods and compositions including an aqueous liquid that includes an acid-sensitive dye are disclosed for use in dental and orthodontic procedures. The aqueous liquid can be useful for providing a visible color change to indicate contact with acidic materials including, for example, etching compositions, self-etching adhesives, and self-adhesive compositions.
    Type: Application
    Filed: July 7, 2005
    Publication date: December 4, 2008
    Inventors: Bradley D. Craig, Robert Lee, Ahmed S. Abuelyaman, Afshin Falsafi, Steven M. Aasen, Joel D. Oxman
  • Patent number: 7361216
    Abstract: The present invention features ionomer compositions containing nanofillers. The compositions can be used in a variety of dental and orthodontic applications, for example, as adhesives, cements, restoratives, coatings and sealants.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: April 22, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: Lani S. Kangas, Hoa T. Bui, Jason P. Thalacker, Brant U. Kolb, Joel D. Oxman, Jacqueline C. Rolf
  • Patent number: 7262228
    Abstract: The invention features a photopolymerizable composition that comprises a cationically polymerizable resin, and a photoinitiator system comprising an iodonium salt, a visible light sensitizer, and one or more anthracene-based compounds as electron donors. Electron donor combinations used in the invention include multiple substituted anthracene compounds or a combination of at least one substituted anthracene compound with unsubstituted anthracene.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: August 28, 2007
    Assignees: Curators of the University of Missouri, 3M Innovative Properties Company, 3M ESPE AG
    Inventors: Joel D. Oxman, Karsten Dede, Craig A. Dykstra, Victoria A. Russell, Christoph Thalacker, Wolfgang Weinmann
  • Patent number: 7250452
    Abstract: Polymerizable compositions and methods are provided that include an ethylenically unsaturated compound and an arylsulfinate salt. The polymerizable compositions are useful as hardenable dental compositions.
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: July 31, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Afshin Falsafi, Rajdeep S. Kalgutkar, Joel D. Oxman
  • Patent number: 7223826
    Abstract: Amide-functional polymers, and compositions including such polymers, are disclosed. The compositions, which optionally may be hardenable, are useful for treating a surface.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: May 29, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Mahfuza B. Ali, Sumita B. Mitra, Joel D. Oxman
  • Patent number: 7156911
    Abstract: The present invention features ionomer compositions containing nanofillers. The compositions can be used in a variety of dental and orthodontic applications, for example, as adhesives, cements, restoratives, coatings and sealants.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: January 2, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Lani S. Kangas, Hoa T. Bui, Jason P. Thalacker, Brant U. Kolb, Joel D. Oxman, Jacqueline C. Rolf
  • Patent number: 7134875
    Abstract: Processes for forming dental materials that include applying a first hardenable dental composition (e.g., a dental adhesive) to a surface followed by applying a second hardenable dental composition (e.g., a dental composite) to the first hardenable dental composition on the surface. The first and second hardenable dental compositions are hardened such that the second hardenable composition is substantially completely hardened prior to complete hardening of the first hardenable composition.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: November 14, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Joel D. Oxman, Bradley D. Craig, Rajdeep S. Kalgutkar, Marc Peuker, Peter Bissinger
  • Patent number: 7090721
    Abstract: The present invention features ionomer compositions containing nanofillers that provide the composition with desirable aesthetic properties (e.g., optical translucency). The compositions can be used in a variety of dental and orthodontic applications, for example, as adhesives, cements, restoratives, coatings and sealants.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: August 15, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Bradley D. Craig, Brant U. Kolb, Joel D. Oxman, Robert F. Peez, Sybille A. Frank
  • Patent number: 7030049
    Abstract: Polymerizable compositions that include: (a) a cationically active functional group; (b) an initiation system capable of initiating cationic polymerization of the cationically active functional group; and (c) a filler composition that includes various radiopacifying fillers in an amount sufficient to render the polymerizable composition radiopaque. Components (a), (b), and (c) are selected such that the polymerizable composition polymerizes to form a polymerized composition having a Barcol hardness, measured using a GYZJ-935 meter, of at least 10 within 30 minutes following initiation of the cationically active functional group at a reaction temperature of 25° C.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: April 18, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Bradley D. Craig, Joel D. Oxman, James W. Westberg, Matthew C. Trom, Brant U. Kolb, James A. Baker
  • Patent number: 6964985
    Abstract: The present invention provides a dental material that includes a hardenable resin system and a first initiator system capable of hardening the hardenable resin.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: November 15, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Naimul Karim, Joel D. Oxman, Ahmed S. Abuelyaman, Babu N. Gaddam
  • Patent number: 6960079
    Abstract: Orthodontic adhesives and packaged articles including an orthodontic appliance having a base for bonding the appliance to a tooth are disclosed. In the packaged articles, an adhesive is on the base of the appliance, and a container at least partially surrounds the orthodontic appliance having adhesive on the base thereof.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: November 1, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Joan V. Brennan, Sumita B. Mitra, Mark S. Schaberg, Robert D. Kuehn, Joel D. Oxman, Darrell S. James, Sharon M. Rozzi, David K. Cinader
  • Patent number: 6818682
    Abstract: The inventive dental composition comprises (a) a part A comprising at least one polyacid and at least one polymerizable component; and (b) a part B comprising water, wherein the composition further comprises an oxidizing agent, a reducing agent, and reactive fillers in at least one of part A or part B and wherein at least one of the polyacid, oxidizing agent, and reducing agent is in a disperse phase. The dental composition can be used in many dental applications and is particularly suited for use as a cement.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: November 16, 2004
    Inventors: Afshin Falsafi, Mark S. Konings, Joel D. Oxman, Richard P. Rusin, Edward J. Winters
  • Publication number: 20040162375
    Abstract: Amide-functional polymers, and compositions including such polymers, are disclosed. The compositions, which optionally may be hardenable, are useful for treating a surface.
    Type: Application
    Filed: July 24, 2003
    Publication date: August 19, 2004
    Inventors: Mahfuza B. Ali, Sumita B. Mitra, Joel D. Oxman
  • Patent number: 6773261
    Abstract: Processes for forming dental materials that include applying a hardenable dental adhesive to a surface and a second hardenable dental composite to the dental adhesive. The hardenable dental composite includes at least two adjacent regions with different concentrations of a photoinitiator, at least two adjacent regions with different photoinitiators, or both.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: August 10, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Bradley D. Craig, Rajdeep S. Kalgutkar, Joel D. Oxman
  • Publication number: 20040151691
    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: Application
    Filed: July 24, 2003
    Publication date: August 5, 2004
    Inventors: Joel D. Oxman, Mai T. Nguyen, Sumita B. Mitra, Hoa T. Bui, Jingwen Ma, Jie J. Liu, Mahfuza B. Ali