Patents by Inventor Spomenko Ljesic

Spomenko Ljesic 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: 9598316
    Abstract: The invention relates to a method for producing a solution comprising organofunctional siliconates, silicates and, optionally, the cocondensation products thereof, and to the solutions and an installation for the production thereof.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: March 21, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic, Christian Waβmer, Susanne Zölitz
  • Patent number: 9528036
    Abstract: Low-VOC compositions of dialkyl-functional siloxane oligomers, especially of methylalkylalkoxysiloxanes, and processes for producing them are provided. Additionally methods for hydrophobizing porous mineral substrates employing the low-VOC compositions, in the course of which few or no volatile organic compounds are released, are provided.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: December 27, 2016
    Assignee: Evonik Degussa GmbH
    Inventors: Christopher Studte, Spomenko Ljesic
  • Patent number: 9382383
    Abstract: The invention relates to a composition and a method for the production of the composition comprising block cocondensates of propylfunctional alkaline siliconates and silicates.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: July 5, 2016
    Assignee: Evonik Degussa GmbH
    Inventors: Spomenko Ljesic, Christopher Studte, Helmut Mack
  • Patent number: 9193628
    Abstract: The present invention relates to a hydraulically setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.01% to 8% by weight of at least one fluoroorganyl-substituted silicon compound, and also to materials produced from this mixture, more particularly components, concrete articles or mouldings. The invention further relates to the use of a hydraulically setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as facing concrete, where the surface of the materials exhibits only relatively low soiling tendency (“easy-to-clean” property) even on abrasion.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: November 24, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Philipp Albert, Burkhard Standke, Spomenko Ljesic
  • Publication number: 20150284615
    Abstract: Low-VOC compositions of dialkyl-functional siloxane oligomers, especially of methylalkylalkoxysiloxanes, and processes for producing them are provided. Additionally methods for hydrophobizing porous mineral substrates employing the low-VOC compositions, in the course of which few or no volatile organic compounds are released, are provided.
    Type: Application
    Filed: February 23, 2015
    Publication date: October 8, 2015
    Applicant: Evonik Industries AG
    Inventors: Christopher STUDTE, Spomenko Ljesic
  • Patent number: 9040608
    Abstract: The present invention relates to a curable mixture suitable for obtaining “easy-to-clean” properties in the cured mixture, comprising at least one mineral binder, a powder comprising at least one fluoroorganyl-substituted silicon compound encapsulated in a water-soluble polymer, the amount of the silicon compound being 0.001% to 8% by weight, based on the present mixture, and optionally further adjuvants, and also to a process for preparing the mixture and to the use thereof. The invention further relates to a water-redispersible powder and also to a corresponding intermediate for use in the curable mixture in order to obtain “easy-to-clean” properties in the cured mixture. Also claimed, furthermore, is a process for preparing the powder, and the use thereof.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 26, 2015
    Assignees: Evonik Degussa GmbH, Akzo Nobel Chemicals International B.V.
    Inventors: Manuel Friedel, Philipp Albert, Burkhard Standke, Spomenko Ljesic, Ulf Kehrer
  • Patent number: 8999053
    Abstract: The invention relates to a solution and to methods for producing the solution comprising propylfunctional alkaline siliconates, silicates and, optionally, the cocondensation products thereof.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: April 7, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic, Christian Waβmer, Susanne Zölitz
  • Publication number: 20140374656
    Abstract: The invention relates to a method for producing a solution comprising organofunctional siliconates, silicates and, optionally, the cocondensation products thereof, and to the solutions and an installation for the production thereof.
    Type: Application
    Filed: February 27, 2012
    Publication date: December 25, 2014
    Applicant: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic, Christian Wassmer, Susanne Zoelitz
  • Publication number: 20140330035
    Abstract: The invention relates to a composition and a method for the production of the composition comprising block cocondensates of propylfunctional alkaline siliconates and silicates.
    Type: Application
    Filed: October 30, 2012
    Publication date: November 6, 2014
    Applicant: EVONIK INDUSTRIES AG
    Inventors: Spomenko Ljesic, Christopher Studte, Helmut Mack
  • Publication number: 20140182487
    Abstract: The invention relates to a solution and to methods for producing the solution comprising propylfunctional alkaline siliconates, silicates and, optionally, the cocondensation products thereof.
    Type: Application
    Filed: February 27, 2012
    Publication date: July 3, 2014
    Applicant: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic, Christian Waßmer, Susanne Zölitz
  • Patent number: 8741038
    Abstract: The present invention relates to a fluorine-free composition for hydrophobizing porous mineral substrates and for producing a water repellent effect on the surface of the substrate, the composition being based on at least one hydrophobizing active substance and at least one hydrophobic metal oxide. The invention furthermore relates to a process for the preparation of such a composition and the use of this composition.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: June 3, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic
  • Patent number: 8679247
    Abstract: The present invention relates to a hydraulic setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.001% to 8% by weight of at least one fluoroorganyl-substituted silicon compound, and also to materials produced from this mixture, more particularly components, concrete articles or mouldings. The invention further relates to the use of a hydraulic setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as face concrete, where the surface of the materials exhibits only relatively low soiling tendency (“easy-to-clean” property) even on abrasion.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: March 25, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic, Philipp Albert, Burkhard Standke
  • Publication number: 20130192494
    Abstract: The present invention relates to a hydraulic setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.001% to 8% by weight of at least one fluoroorganyl-substituted silicon compound, and also to materials produced from this mixture, more particularly components, concrete articles or mouldings. The invention further relates to the use of a hydraulic setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as face concrete, where the surface of the materials exhibits only relatively low soiling tendency (“easy-to-clean” property) even on abrasion.
    Type: Application
    Filed: March 30, 2011
    Publication date: August 1, 2013
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic, Philipp Albert, Burkhard Standke
  • Publication number: 20130092052
    Abstract: The invention relates to a composition for the hydrophobization, preferably the mass hydrophobization, of inorganic building materials, in particular substantially non-siliceous building materials containing inorganic alkali metals and/or alkaline earth metals, comprising at least one water-soluble amino- and alkyl-functional co-condensate siloxane and a bis(alkoxysilyl)amine, as well as to the hydrolysis products thereof, to a method for producing said composition, and also to the use of the composition for mass-hydrophobization, preferably of gypsum.
    Type: Application
    Filed: February 14, 2011
    Publication date: April 18, 2013
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic
  • Publication number: 20130087080
    Abstract: The present invention relates to a hydraulically setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.01% to 8% by weight of at least one fluoroorganyl-substituted silicon compound, and also to materials produced from this mixture, more particularly components, concrete articles or mouldings. The invention further relates to the use of a hydraulically setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as facing concrete, where the surface of the materials exhibits only relatively low soiling tendency (“easy-to-clean” property) even on abrasion.
    Type: Application
    Filed: March 30, 2011
    Publication date: April 11, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Philipp Albert, Burkhard Standke, Spomenko Ljesic
  • Publication number: 20130085210
    Abstract: The present invention relates to a curable mixture suitable for obtaining “easy-to-clean” properties in the cured mixture, comprising at least one mineral binder, a powder comprising at least one fluoroorganyl-substituted silicon compound encapsulated in a water-soluble polymer, the amount of the silicon compound being 0.001% to 8% by weight, based on the present mixture, and optionally further adjuvants, and also to a process for preparing the mixture and to the use thereof. The invention further relates to a water-redispersible powder and also to a corresponding intermediate for use in the curable mixture in order to obtain “easy-to-clean” properties in the cured mixture. Also claimed, furthermore, is a process for preparing the powder, and the use thereof.
    Type: Application
    Filed: March 30, 2011
    Publication date: April 4, 2013
    Applicants: Akzo Nobel Chemicals International B.V., Evonik Degussa GmbH
    Inventors: Manuel Friedel, Philipp Albert, Burkhard Standke, Spomenko Ljesic, Ulf Kehrer
  • Patent number: 8394885
    Abstract: The present invention relates to a composition for imparting water repellency to porous mineral substrates and for producing a water repellency effect on the surface of the substrate and to a process for the preparation of such a composition, said composition being based on at least one silane oligomer, at least one hydrolysis or condensation catalyst, at least one fluorine-containing polymer, optionally water and/or at least one organic solvent, optionally at least one emulsifier and optionally further auxiliaries.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: March 12, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic, Sabine Giessler-Blank
  • Publication number: 20130040058
    Abstract: The invention relates to a composition suitable for producing anti-graffiti coatings, comprising substantially water-soluble and substantially fully hydrolyzed oligomeric organosiloxanes and at least one polyoxyalkylene block copolymer as a coverage agent and water, to a method for producing same, and to the use thereof. The compositions according to the invention comprise improved film formation properties evident in that cohesive films can be generated during application, such as on porous mineral substrates, without forming droplets.
    Type: Application
    Filed: February 14, 2011
    Publication date: February 14, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Manuel Friedel, Spomenko Ljesic
  • Publication number: 20110308423
    Abstract: The present invention relates to a fluorine-free composition for hydrophobizing porous mineral substrates and for producing a water repellent effect on the surface of the substrate, the composition being based on at least one hydrophobizing active substance and at least one hydrophobic metal oxide. The invention furthermore relates to a process for the preparation of such a composition and the use of this composition.
    Type: Application
    Filed: January 11, 2010
    Publication date: December 22, 2011
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Manuel Friedel, Spomenko Ljesic
  • Publication number: 20110124794
    Abstract: The present invention relates to a composition for imparting water repellency to porous mineral substrates and for producing a water repellency effect on the surface of the substrate and to a process for the preparation of such a composition, said composition being based on at least one silane oligomer, at least one hydrolysis or condensation catalyst, at least one fluorine-containing polymer, optionally water and/or at least one organic solvent, optionally at least one emulsifier and optionally further auxiliaries.
    Type: Application
    Filed: June 3, 2009
    Publication date: May 26, 2011
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Manuel Friedel, Spomenko Ljesic, Sabine Giessler-Blank