Patents by Inventor Bernhard Pelzl

Bernhard Pelzl 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).

  • Hydroquinone compounds for reducing photoblueing of halogen-containing polymers
    Patent number: 9403964
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers and polymer mixtures, comprising at least one hydroquinone compound to prevent or reduce photoblueing of the polymers, polymer compositions comprising the stabilizer compositions, and to methods of using the stabilizer compositions.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: August 2, 2016
    Assignee: Chemson Polymer-Additive AG
    Inventor: Bernhard Pelzl
  • Stabilizer composition for halogen-containing polymers
    Patent number: 8975315
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers and polymer mixtures, comprising at least one metal salt of isocyanuric acid, isothiocyanuric acid or a derivative thereof, to a process for the preparation thereof, the thus produced stabilizer compositions, polymer compositions comprising the stabilizer compositions, and to methods of using the stabilizer compositions.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: March 10, 2015
    Assignee: Chemson Polymer-Additive AG
    Inventors: Colin Campbell, Bernhard Pelzl, Anthony Stephen Butt
  • HYDROQUINONE COMPOUNDS FOR REDUCING PHOTOBLUEING OF HALOGEN-CONTAINING POLYMERS
    Publication number: 20140303302
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers and polymer mixtures, comprising at least one hydroquinone compound to prevent or reduce photoblueing of the polymers, polymer compositions comprising the stabilizer compositions, and to methods of using the stabilizer compositions.
    Type: Application
    Filed: April 11, 2012
    Publication date: October 9, 2014
    Applicant: Chemson Polymer-Additive AG
    Inventor: Bernhard Pelzl
  • Heavy metal-free stabilizer composition for halogenated polymers
    Patent number: 8772382
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers which is free from heavy metals, the use thereof in the stabilizing of halogen-containing polymers, in particular against an undesirable pink coloration, and shaped articles comprising this stabilizer composition.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: July 8, 2014
    Assignee: Chemson Polymer-Additive AG
    Inventors: Bernhard Pelzl, Michael Schiller, Hendrik Willem Huisman
  • STABILIZER COMPOSITION FOR HALOGEN-CONTAINING POLYMERS
    Publication number: 20140058020
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers and polymer mixtures, comprising at least one metal salt of isocyanuric acid, isothiocyanuric acid or a derivative thereof, to a process for the preparation thereof, the thus produced stabilizer compositions, polymer compositions comprising the stabilizer compositions, and to methods of using the stabilizer compositions.
    Type: Application
    Filed: March 21, 2012
    Publication date: February 27, 2014
    Applicant: Chemson Polymer-Additive AG
    Inventors: Colin Campbell, Bernhard Pelzl, Anthony Stephen Butt
  • Stabilizer composition for halogen-containing polymers
    Patent number: 8329789
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers comprising titanium dioxide and at least one nitrogen-containing compound, wherein the titanium dioxide has a photo-electromotive force (photo-EMK) in the ?s-range >?15 mV and a photo-electromotive force in the ms-range >+5 mV.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: December 11, 2012
    Assignee: Chemson Polymer-Additive AG
    Inventors: Bernhard Pelzl, Michael Schiller, Cornelia Damm
  • HEAVY METAL-FREE STABILIZER COMPOSITION FOR HALOGENATED POLYMERS
    Publication number: 20110311744
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers which is free from heavy metals, the use thereof in the stabilizing of halogen-containing polymers, in particular against an undesirable pink coloration, and shaped articles comprising this stabilizer composition.
    Type: Application
    Filed: November 26, 2009
    Publication date: December 22, 2011
    Applicant: CHEMSON POLYMER-ADDITIVE AG
    Inventors: Bernhard Pelzl, Michael Schiller, Hendrik Willem Huisman
  • STABILIZER COMPOSITION FOR HALOGEN-CONTAINING POLYMERS
    Publication number: 20110143068
    Abstract: The present invention relates to a stabilizer composition for halogen-containing polymers comprising titanium dioxide and at least one nitrogen-containing compound, wherein the titanium dioxide has a photo-electromotive force (photo-EMK) in the ?s-range >?15 mV and a photo-electromotive force in the ms-range >+5 mV.
    Type: Application
    Filed: January 21, 2009
    Publication date: June 16, 2011
    Inventors: Bernhard Pelzl, Michael Schiller, Cornelia Damm