Patents by Inventor Edward J. Winters

Edward J. Winters 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).

  • Multi-part dental compositions and kits
    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
  • Dental try-in pastes, kits, and methods
    Patent number: 6579919
    Abstract: A try-in paste, kit, and method of use, wherein the try-in paste includes: a polyalkylene glycol that is liquid at room temperature; a polyalkylene glycol that is solid at room temperature; and a particulate material; wherein the polyalkylene glycols are present in amounts to provide a paste having a consistency of about 20 mm to about 50 mm; and wherein the particulate material is present in an amount to provide a try-in paste of a shading that matches the shading of a corresponding polymerized dental cement.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: June 17, 2003
    Assignee: 3M Innovative Properties Company
    Inventors: Mark S. Konings, Edward J. Winters
  • Dental try-in pastes, kits, and methods
    Publication number: 20030069325
    Abstract: A try-in paste, kit, and method of use, wherein the try-in paste includes: a polyalkylene glycol that is liquid at room temperature; a polyalkylene glycol that is solid at room temperature; and a particulate material; wherein the polyalkylene glycols are present in amounts to provide a paste having a consistency of about 20 mm to about 50 mm; and wherein the particulate material is present in an amount to provide a try-in paste of a shading that matches the shading of a corresponding polymerized dental cement.
    Type: Application
    Filed: September 12, 2001
    Publication date: April 10, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Mark S. Konings, Edward J. Winters
  • MULTI-PART DENTAL COMPOSITIONS AND KITS
    Publication number: 20030018098
    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: Application
    Filed: April 20, 2001
    Publication date: January 23, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Afshin Falsafi, Mark S. Konings, Joel D. Oxman, Richard P. Rusin, Edward J. Winters
  • Glass ionomer cement
    Patent number: 6437019
    Abstract: The present invention provides a multiple part ionomeric cement system comprising an organic composition that is substantially free of added water, and an aqueous composition comprising water. The organic composition contains at least a hydrophilic component and an acid functional compound that is provided as greater than 1.0% weight of the organic composition. The liquid ingredients of the compositions are miscible, both as separate compositions and when mixed together.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: August 20, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Richard P. Rusin, Joel D. Oxman, Edward J. Winters
  • Glass ionomer cement
    Patent number: 6136885
    Abstract: The present invention provides a multiple part ionomeric cement system comprising an organic composition that is substantially free of added water, and an aqueous composition comprising water. The organic composition contains at least a hydrophilic component and an acid functional compound that is provided as greater than 1.0% weight of the organic composition. The liquid ingredients of the compositions are miscible, both as separate compositions and when mixed together.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: October 24, 2000
    Assignee: 3M Innovative Proprerties Company
    Inventors: Richard P. Rusin, Joel D. Oxman, Edward J. Winters