Patents by Inventor Steffen Sandhöfner

Steffen Sandhöfner 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).

  • Lubricity enhancing additives, a method for producing the same and use thereof
    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
  • Thixotropic corrosion protection additives for preservative liquids and lubricating greases
    Patent number: 8828915
    Abstract: The invention relates to novel thixotropic corrosion protection additives, to carrier substances comprising these corrosion protection additives, to processes for their preparation and to their use for preservative liquids and lubricating greases.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: September 9, 2014
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Markus Kuilder, Steffen Sandhöfner
  • Novel Lubricity Enhancing Additives, a Method for Producing the Same and use Thereof
    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
  • Thixotropic corrosion protection additives for preservative liquids and lubricating greases
    Publication number: 20110294710
    Abstract: The invention relates to novel thixotropic corrosion protection additives, to carrier substances comprising these corrosion protection additives, to processes for their preparation and to their use for preservative liquids and lubricating greases.
    Type: Application
    Filed: February 18, 2011
    Publication date: December 1, 2011
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Markus Kuilder, Steffen Sandhöfner