Patents by Inventor Ursula Golchert

Ursula Golchert 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: 20210102058
    Abstract: Light scattering polymeric compositions have improved scattering efficiency and improved mechanical properties. The compositions include a polymeric matrix material and at least two different kinds of scattering particles uniformly dispersed therein.
    Type: Application
    Filed: January 31, 2019
    Publication date: April 8, 2021
    Applicants: Röhm GmbH, Roehm America LLC
    Inventors: René Kogler, Michael Pasierb, Christopher Spain, Ursula Golchert, Ralf Richter, Ernst Becker, Stefan Nau
  • Publication number: 20180105677
    Abstract: The invention relates to an aqueous colorant preparation for coloring thermoplastic plastics.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 19, 2018
    Inventors: Ursula GOLCHERT, Klaus SCHULTES, Stefan NAU, Ernst BECKER, Manuel KAISER, Juergen GROENEN, Daniel CLEFF, Viola ROSNER, Norbert BENDZKO
  • Patent number: 9427889
    Abstract: The present invention relates to a process for producing colored plastics molding compositions with aqueous liquid colors, where an aqueous liquid color is added to a molten plastics molding composition. The present invention also describes a system for conducting the said process.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: August 30, 2016
    Assignee: Evonik Roehm GmbH
    Inventors: Andreas Kluge, Simon Becht, Thorsten Goldacker, Thomas Wick, Michael Jucys, Ursula Golchert, Klaus Schultes
  • Publication number: 20150322240
    Abstract: The invention relates to an aqueous colorant preparation for coloring thermoplastic plastics.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 12, 2015
    Inventors: Ursula GOLCHERT, Klaus SCHULTES, Stefan NAU, Ernst BECKER, Manuel KAISER, Juergen GROENEN, Daniel CLEFF, Viola ROSNER, Norbert BENDZKO
  • Patent number: 8962728
    Abstract: The present invention relates to weathering-resistant, colored moldings made of poly(alkyl)(meth)acrylate with improved gloss and resistance to mechanical influences acting on the surface of the molding, in particular with improved wipe resistance and improved scratch resistance, and also to molding compositions for producing the same.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: February 24, 2015
    Assignee: Evonik Röhm GmbH
    Inventors: Victor Khrenov, Andreas Mischlich, Ursula Golchert, Stefan Nau, Anton Halblaender, Klaus Schultes, Marc Poth, Antonios Manis, Kathrin Lehmann, Zhen Zhu
  • Patent number: 8722788
    Abstract: The invention describes transparent plastics mixtures having low-temperature impact resistance composed of a thermoplastic polyurethane (TPU) and of an impact-modified poly(meth)acrylate (PMMA).
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: May 13, 2014
    Assignees: EVONIK ROEHM GmbH, CPS GmbH
    Inventors: Klaus Schultes, Peter Battenhausen, Ursula Golchert, Adalbert Loidl
  • Publication number: 20130203918
    Abstract: The present invention relates to weathering-resistant, colored moldings made of poly(alkyl) (meth)acrylate with improved gloss and resistance to mechanical influences acting on the surface of the molding, in particular with improved wipe resistance and improved scratch resistance, and also to molding compositions for producing the same.
    Type: Application
    Filed: August 22, 2011
    Publication date: August 8, 2013
    Applicant: Evonik Roehm GmbH
    Inventors: Victor Khrenov, Andreas Mischlich, Ursula Golchert, Stefan Nau, Anton Halblaender, Klaus Schultes, Marc Poth, Antonios Manis, Kathrin Lehmann, Zhen Zhu
  • Publication number: 20130096244
    Abstract: The invention relates to a method for coloring thermoplastic molding compounds, preferably a polymethyl(meth)acrylate molding compound, using novel aqueous colorant preparations. The invention further relates to a novel water-based colorant preparation.
    Type: Application
    Filed: July 5, 2011
    Publication date: April 18, 2013
    Applicant: Evonik Roehm GmbH
    Inventors: Sabine Schwarz-Barac, Roger Recktenwald, Thorsten Goldacker, Ursula Golchert, Victor Khrenov, Stefan Nau, Nils Mehler, Krzysztof Sado, Ernst Becker, Norbert Bendzko, Joachim Henn, Markus Vogt, Markus Schubert, Daniel Cleff, Birgit Riedel-Bendzko
  • Patent number: 8399560
    Abstract: The invention relates to the use of polyalkyl(meth)acrylate bead polymers with an average particle size V50 that ranges between 30 and 70 ?m for improving the stress cracking resistance of moulding materials containing polyalkyl(meth)acrylate. The invention also relates to moulding materials comprising: a) at least 50 wt. % of an impact resistance modifying agent, which contains at least one polyalkyl(meth)acrylate phase; b) at least 8 wt. % of a polyalkyl(meth)acrylate bead polymer with an average particle size V50 that ranges between 30 and 70 ?m; and c) between 0 and 42 wt. % of a polyalkyl(meth)acrylate with a molecular weight ranging between 20,000 and 350,000 g/mol, whereby the wt. % of the components a) to c) amounts to 100 wt. %, and to moulded bodies that can be obtained from said materials.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: March 19, 2013
    Assignee: Evonik Roehm GmbH
    Inventors: Klaus Schultes, Peter Battenhausen, Ursula Golchert, Stefan Nau, Werner Hoess
  • Patent number: 8378021
    Abstract: The invention relates to subduedly colored (brown, gray, black, green), infrared reflecting PMMA compounds which can be applied to other plastic compounds as an IR barrier layer.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: February 19, 2013
    Assignee: Evonik Röhm GmbH
    Inventors: Klaus Schultes, Ernst Becker, Ursula Golchert, Elisabeth Clamer
  • Publication number: 20120282396
    Abstract: The invention relates to subduedly colored (brown, gray, black, green), infrared reflecting PMMA compounds which can be applied to other plastic compounds as an IR barrier layer
    Type: Application
    Filed: March 16, 2012
    Publication date: November 8, 2012
    Applicant: Evonik Roehm GmbH
    Inventors: Klaus SCHULTES, Ernst Becker, Ursula Golchert, Elisabeth Clamer
  • Publication number: 20120108735
    Abstract: The present invention relates to a process for producing coloured plastics moulding compositions with aqueous liquid colours, where an aqueous liquid colour is added to a molten plastics moulding composition. The present invention also describes a system for conducting the said process.
    Type: Application
    Filed: August 20, 2010
    Publication date: May 3, 2012
    Applicant: Evonik Roehm GMBH
    Inventors: Andreas Kluge, Simon Becht, Thorsten Goldacker, Thomas Wick, Michael Jucys, Ursula Golchert, Klaus Schultes
  • Publication number: 20110230610
    Abstract: The invention relates to a polymer mixture, comprising a) a polymer matrix which is composed of a (meth)acrylate (co)polymer or of a mixture of (meth)acrylate (co)polymers with a Vicat softening point VSP (ISO 306-B50) of at least 104° C. and/or of a (meth)acrylimide (co)polymer, b) an impact modifier which is based on crosslinked poly(meth)acrylates and which does not have covalent bonding to the polymer matrix a), c) from 1 to 15% by weight of plastics particles composed of crosslinked polymers based on polymethyl methacrylate, on polystyrene and/or on polysilicones. The polymer mixture can be used to obtain injection mouldings with matt surfaces and Vicat softening points VSPs (ISO 306-B50) of at least 90° C.
    Type: Application
    Filed: May 25, 2011
    Publication date: September 22, 2011
    Applicant: ROEHM GMBH & CO. KG
    Inventors: Klaus Schultes, Michael Wicker, Peter Kempf, Werner Hoß, Klaus Albrecht, Ursula Golchert, Stefan Nau
  • Publication number: 20110136964
    Abstract: The invention relates to an aqueous colorant preparation for coloring thermoplastic plastics.
    Type: Application
    Filed: July 10, 2009
    Publication date: June 9, 2011
    Applicant: EVONIK ROEHM GMBH
    Inventors: Ursula Golchert, Klaus Schultes, Stefan Nau, Ernst Becker, Manuel Kaiser, Juergen Groenen, Daniel Cleff, Viola Rosner, Norbert Bendzko
  • Publication number: 20100272960
    Abstract: Composition for the production of mouldings having a matt and structured surface character, comprising a polymer matrix and crosslinked polymer particles, the polymer matrix comprising at least one acrylic polymer and the composition containing (i) first crosslinked polymer particles having a volume average of the particle size in the range from 30 ?m to 1500 ?m and (ii) second crosslinked polymer particles having a volume average of the particle size of less than 30 ?m, the difference between the refractive index of the first polymer particles and the refractive index of the polymer matrix, measured in each case at 25° C., being less than 0.015 as an absolute value and the difference between the refractive index of the second polymer particles and the refractive index of the polymer matrix, measured at 25° C., being greater than or equal to 0.015 as an absolute value.
    Type: Application
    Filed: August 29, 2008
    Publication date: October 28, 2010
    Applicant: Evonik Roehm GmbH
    Inventors: Klaus Schultes, Sabine Schwarz-Barac, Klaus Albrecht, Ursula Golchert, Stefan Nau, Sabrina Thomas, Michael Schnabel
  • Publication number: 20100098908
    Abstract: Moulding composition, comprising, in each case based on the total weight of the moulding composition, A) from 83% by weight to 99.5% by weight of a polymer matrix which is composed of at least one (meth)acrylimide (co)polymer, B) from 0.5% by weight to 17.0% by weight of ceramic beads, where the melt volume index MVR of the moulding composition, measured to ISO 1133 at 260° C. using 10 kg, is from 1.0 cm3/10 min to 20.0 cm3/10 min. The moulding composition can be used for production of mouldings with a velvet-matt and preferably rough surface.
    Type: Application
    Filed: October 30, 2007
    Publication date: April 22, 2010
    Applicant: Evonik Roehm GmbH
    Inventors: Klaus Schultes, Ursula Golchert, Stefan Nau
  • Publication number: 20100098907
    Abstract: Moulding composition, comprising, based in each case on the total weight of the moulding composition, A) from 49.5% by weight to 99.5% by weight of a polymer matrix which is composed of a (meth)acrylate (co)polymer or of a mixture composed of (meth)acrylate (co)polymer, B) from 0.5% by weight to 15.0% by weight of ceramic beads, where the melt volume index MVR, measured to ISO 1133 for 230° C. and 3.8 kg, of the moulding composition is from 0.1 cm3/10 min to 5.0 cm3/10 min. The moulding composition can be used for production of mouldings with a velvet-matt and preferably rough surface.
    Type: Application
    Filed: October 30, 2007
    Publication date: April 22, 2010
    Applicant: Evonik Roehm GmbH
    Inventors: Klaus Schultes, Ursula Golchert, Stefan Nau
  • Publication number: 20090176928
    Abstract: The invention relates to subduedly colored (brown, gray, black, green), infrared reflecting PMMA compounds which can be applied to other plastic compounds as an IR barrier layer
    Type: Application
    Filed: October 25, 2005
    Publication date: July 9, 2009
    Applicant: Roehm GmbH
    Inventors: Klaus Schultes, Ernst Becker, Ursula Golchert, Elisabeth Clamer
  • Publication number: 20090105399
    Abstract: The invention describes transparent plastics mixtures having low-temperature impact resistance composed of a thermoplastic polyurethane (TPU) and of an impact-modified poly(meth)acrylate (PMMA).
    Type: Application
    Filed: August 28, 2006
    Publication date: April 23, 2009
    Applicants: Evonik Roehm GmbH, CPS GMBH
    Inventors: Klaus Schultes, Peter Battenhausen, Ursula Golchert, Adalbert Loidl
  • Publication number: 20090043044
    Abstract: Process for preparation of bead polymers whose average particle size is in the range from 1 ?m to 40 ?m, by dispersing and polymerizing a polymerizable composition in an aqueous phase, where the dispersion stabilized by an aluminium compound is prepared at a shear rate ?103 s?1. A polymerizable composition is used here which, in each case based on its total weight, comprises a) more than 50.0% by weight of at least one compound of the formula (I), ?where the radicals 1R to 6R have definitions according to the Description, b) from 0.1% by weight to 10.0% by weight of at least one crosslinking agent and c) less than 49.9% by weight of at least one compound of the formula (II) ?where the radicals R and 7R to 9R have definitions according to the Description The bead polymers prepared according to the inventive process are particularly suitable for production of mouldings with light-scattering properties.
    Type: Application
    Filed: November 1, 2007
    Publication date: February 12, 2009
    Applicant: EVONIK ROEHM GMBH
    Inventors: Sabine SCHWARZ-BARAC, Klaus SCHULTES, Michael SCHNABEL, Stefan NAU, Ursula GOLCHERT