Patents by Inventor Hanna Spohr

Hanna Spohr 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).

  • Random copolymers for use as base oils or lubricant additives
    Patent number: 11453837
    Abstract: The invention relates to random copolymers comprising monomers derived from conjugated dienes and alkyl (meth)acrylates, a method for manufacturing the copolymers, lubricant compositions comprising the copolymers, and the use of the copolymers as additives for lubricant compositions or as a base oil for lubricant compositions. The copolymers are favorably used for driving system lubricating oils, hydraulic oils, engine oils and industrial oil formulations.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: September 27, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Holger Pletsch, Emily Clare Schweissinger, Hanna Spohr, Sebastian Reimann, Lars Pera, Marius Weiland, Boris Eisenberg, Dmitriy Shakhvorostov
  • RANDOM COPOLYMERS FOR USE AS BASE OILS OR LUBRICANT ADDITIVES
    Publication number: 20220017835
    Abstract: The invention relates to random copolymers comprising monomers derived from conjugated dienes and alkyl (meth)acrylates, a method for manufacturing the copolymers, lubricant compositions comprising the copolymers, and the use of the copolymers as additives for lubricant compositions or as a base oil for lubricant compositions. The copolymers are favorably used for driving system lubricating oils, hydraulic oils, engine oils and industrial oil formulations.
    Type: Application
    Filed: October 23, 2019
    Publication date: January 20, 2022
    Inventors: Holger PLETSCH, Emily Clare SCHWEISSINGER, Hanna SPOHR, Sebastian REIMANN, Lars PERA, Marius WEILAND, Boris EISENBERG, Dmitriy SHAKHVOROSTOV
  • Production of n-pentanal from low-butene feedstock mixtures
    Patent number: 9845276
    Abstract: The invention is concerned with the issue of how to produce n-pentanal by hydroformylation from feedstock mixtures comprising a small proportion of n-butene and a large proportion of n-butane. Specifically, solutions for further optimizing established processes for hydroformylation of such low-butene mixtures in terms of material utilization are sought. The present invention has for its object to enhance the material utilization of the feedstock mixture in the production of n-pentanal from feedstock mixtures having a small proportion of n-butene and a large proportion of n-butane. The process shall be capable of economic operation on an industrial scale. In particular an existing oxo plant shall be honed to achieve better raw material utilization.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: December 19, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Robert Franke, Lena Altmann, Corinna Hecht, Benedikt Dercks, Hanna Spohr, Horst-Werner Zanthoff
  • PRODUCTION OF N-PENTANAL FROM LOW-BUTENE FEEDSTOCK MIXTURES
    Publication number: 20170334822
    Abstract: The invention is concerned with the issue of how to produce n-pentanal by hydroformylation from feedstock mixtures comprising a small proportion of n-butene and a large proportion of n-butane. Specifically, solutions for further optimizing established processes for hydroformylation of such low-butene mixtures in terms of material utilization are sought. The present invention has for its object to enhance the material utilization of the feedstock mixture in the production of n-pentanal from feedstock mixtures having a small proportion of n-butene and a large proportion of n-butane. The process shall be capable of economic operation on an industrial scale. In particular an existing oxo plant shall be honed to achieve better raw material utilization.
    Type: Application
    Filed: April 19, 2017
    Publication date: November 23, 2017
    Inventors: Robert Franke, Lena Altmann, Corinna Hecht, Benedikt Dercks, Hanna Spohr, Horst-Werner Zanthoff