Patents by Inventor Robert Peez

Robert Peez 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: 10548818
    Abstract: The application relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler C, non acid-reactive filler A, Paste B comprising water, polyacid, complexing agent, non acid-reactive filler B, the mean particle size of non acid-reactive filler B being larger than the mean particle size of non acid-reactive filler A, the water content of the composition obtained when mixing Paste A and Paste B being below 20 wt.-%. The application also relates to a device for storing such a kit of parts and the use of the kit of parts and/or the device for preparing a dental cement, dental filling material, dental core build up material or dental root channel filling material.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: February 4, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Michael Jahns, Peter Braun, Robert Peez, Markus Mikulla, Rainer A. Guggenberger
  • Patent number: 10080708
    Abstract: The invention relates to a kit of parts for preparing a glass ionomer cement, the kit comprising a Part A and a Part B, Part A being a powder and comprising an acid-reactive filler in an amount above about 60 wt. %, the acid-reactive filler having a mean particle size in the range of 3.5 to 10 ?m, an non acid-reactive filler in an amount above about 1 wt. %, the non acid-reactive filler having a mean particle size in the range of 1.0 to 3.5 ?m, Part A not comprising a polyacid in an amount above about 1 wt. %, wt. % with respect to the weight of Part A, Part B being a liquid and comprising a polyacid in an amount above about 30 wt. %, water, a complexing agent, wt. % with respect to the weight of Part B. The invention also relates to a process of producing a hardenable or hardening composition and use thereof in the dental field.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: September 25, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Robert Peez, Peter Braun, Markus Mikulla, Rainer Guggenberger
  • Publication number: 20180214353
    Abstract: The application relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler C, non acid-reactive filler A, Paste B comprising water, polyacid, complexing agent, non acid-reactive filler B, the mean particle size of non acid-reactive filler B being larger than the mean particle size of non acid-reactive filler A, the water content of the composition obtained when mixing Paste A and Paste B being below 20 wt.-%. The application also relates to a device for storing such a kit of parts and the use of the kit of parts and/or the device for preparing a dental cement, dental filling material, dental core build up material or dental root channel filling material.
    Type: Application
    Filed: July 18, 2016
    Publication date: August 2, 2018
    Inventors: Michael Jahns, Peter Braun, Robert Peez, Markus Mikulla, Rainer A. Guggenberger
  • Publication number: 20160310368
    Abstract: The invention relates to a kit of parts for preparing a glass ionomer cement, the kit comprising a Part A and a Part B, Part A being a powder and comprising an acid-reactive filler in an amount above about 60 wt. %, the acid-reactive filler having a mean particle size in the range of 3.5 to 10 ?m, an non acid-reactive filler in an amount above about 1 wt. %, the non acid-reactive filler having a mean particle size in the range of 1.0 to 3.5 ?m, Part A not comprising a polyacid in an amount above about 1 wt. %, wt. % with respect to the weight of Part A, Part B being a liquid and comprising a polyacid in an amount above about 30 wt. %, water, a complexing agent, wt. % with respect to the weight of Part B. The invention also relates to a process of producing a hardenable or hardening composition and use thereof in the dental field.
    Type: Application
    Filed: December 8, 2014
    Publication date: October 27, 2016
    Inventors: Robert Peez, Peter Braun, Markus Mikulla, Rainer Guggenberger
  • Publication number: 20050252414
    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: Application
    Filed: May 17, 2004
    Publication date: November 17, 2005
    Inventors: Bradley Craig, Brant Kolb, Joel Oxman, Robert Peez, Sybille Frank
  • Patent number: D802138
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: November 7, 2017
    Inventors: Ruediger Hampe, Robert Peez, Eva-Maria Popp, Sigrid Hader, Andrew Stricker