Patents by Inventor Margarita Stein

Margarita Stein 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).

  • COMPOSITE RESINS COMPRISING UNSATURATED PHOSPHATE COMPOUNDS
    Publication number: 20230407048
    Abstract: A reactive diluent system for composite resins contains a reactive diluent composition, which contains an organic phosphorus compound, and an accelerator system. The accelerator system contains at least one iron salt or complex, at least one transition metal salt or complex selected from cobalt and copper, and optionally at least one solvent.
    Type: Application
    Filed: October 4, 2021
    Publication date: December 21, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Sabine KÖMMELT, Sebastian Bestgen, Margarita Stein, Elisabeth Clamer, Evert Jan Temmink
  • Coating composition, (meth)acrylic polymer and monomer mixture for producing the (meth)acrylic polymer
    Patent number: 8420709
    Abstract: The present invention relates to a coating composition comprising at least one photo-initiator and at least one (meth)acryl-polymer having units that are derived from (meth)acryl-monomers that have at least one double bond and 8 to 40 carbon atoms in the alkyl residue. The present invention furthermore relates to a monomer mixture comprising at least one (meth)acryl-monomer having at least one double bond and 8 to 40 carbon atoms in the alkyl residue and at least one photo-initiator monomer and a (meth)acryl-polymer that can be obtained by polymerization of said monomer mixture. The present invention furthermore relates to a method for producing a coating. The present invention furthermore relates to a coated object comprising a coating obtained by said method.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: April 16, 2013
    Assignee: Evonik Röhm GmbH
    Inventors: Christine Maria Breiner, Gerold Schmitt, Thorben Schuetz, Joachim Knebel, Ina Zwierzchowski, Margarita Stein
  • COATING COMPOSITION, (METH)ACRYLIC POLYMER AND MONOMER MIXTURE FOR PRODUCING THE (METH)ACRYLIC POLYMER
    Publication number: 20110318595
    Abstract: The present invention relates to a coating composition comprising at least one photo-initiator and at least one (meth)acryl-polymer having units that are derived from (meth)acryl-monomers that have at least one double bond and 8 to 40 carbon atoms in the alkyl residue. The present invention furthermore relates to a monomer mixture comprising at least one (meth)acryl-monomer having at least one double bond and 8 to 40 carbon atoms in the alkyl residue and at least one photo-initiator monomer and a (meth)acryl-polymer that can be obtained by polymerization of said monomer mixture. The present invention furthermore relates to a method for producing a coating. The present invention furthermore relates to a coated object comprising a coating obtained by said method.
    Type: Application
    Filed: March 30, 2010
    Publication date: December 29, 2011
    Applicant: EVONIK ROEHM GmbH
    Inventors: Christine Maria Breiner, Gerold Schmitt, Thorben Schuetz, Joachim Knebel, Ina Zwierzchowski, Margarita Stein