Patents by Inventor Sandra Horstmann

Sandra Horstmann 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: 20220306865
    Abstract: The present invention relates to polymer-modified bitumen, to a process for production thereof and to the use thereof for asphalt.
    Type: Application
    Filed: August 5, 2020
    Publication date: September 29, 2022
    Applicant: LANXESS Deutschland GmbH
    Inventors: Thomas Klein, Thomas Rossrucker, Sandra Horstmann
  • Publication number: 20220275211
    Abstract: The present invention relates to novel rubber-modified bitumen, to improved processes for producing rubber-modified bitumen using vulcanized rubber and to the use thereof in asphalt.
    Type: Application
    Filed: July 28, 2020
    Publication date: September 1, 2022
    Applicant: LANXESS Deutschland GmbH
    Inventors: Thomas Klein, Thomas Rossrucker, Sandra Horstmann, Svenja Kusterer
  • Patent number: 10000718
    Abstract: The present invention relates to novel sulphur-bridged compounds, in which within the molecule there is at least one fatty acid bonded by way of at least one sulphur bridge to at least one polyalkylene glycol ester, the reaction product of a fatty acid with a polyalkylene glycol, and these have from 8 to 29% by weight sulphur content, to use of these as sulphur carrier and lubricant additive and to production of the said compounds.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: June 19, 2018
    Assignee: LANXESS Deutschland GmbH
    Inventors: David Larem, Sandra Horstmann, Thomas Rossrucker, Markus Kuilder, Michael Koenig
  • Patent number: 9512381
    Abstract: The invention relates to novel lubricity enhancing additives, to a method for producing the same, and to the use thereof.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: December 6, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: David Larem, Sandra Horstmann, Steffen Sandhöfner
  • Publication number: 20160264903
    Abstract: The present invention relates to novel sulphur-bridged compounds, in which within the molecule there is at least one fatty acid bonded by way of at least one sulphur bridge to at least one polyalkylene glycol ester, the reaction product of a fatty acid with a polyalkylene glycol, and these have from 8 to 29% by weight sulphur content, to use of these as sulphur carrier and lubricant additive and to production of the said compounds.
    Type: Application
    Filed: April 16, 2014
    Publication date: September 15, 2016
    Inventors: David LAREM, Sandra HORSTMANN, Thomas ROSSRUCKER, Markus KUILDER, Michael KOENIG
  • Publication number: 20140323373
    Abstract: The present invention relates to novel sulphur-bridged compounds, in which within the molecule there is at least one fatty acid bonded by way of at least one sulphur bridge to at least one polyalkylene glycol ester, the reaction product of a fatty acid with a polyalkylene glycol, and these have from 8 to 29% by weight sulphur content, to use of these as sulphur carrier and lubricant additive and to production of the said compounds.
    Type: Application
    Filed: April 16, 2014
    Publication date: October 30, 2014
    Applicant: Rhein Chemie Rheinau GmbH
    Inventors: David LAREM, Sandra HORSTMANN, Thomas ROSSRUCKER, Markus KUILDER, Michael KOENIG
  • Publication number: 20120245066
    Abstract: The invention relates to novel lubricity enhancing additives, to a method for producing the same, and to the use thereof.
    Type: Application
    Filed: May 3, 2010
    Publication date: September 27, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: David Larem, Sandra Horstmann, Steffen Sandhöfner