Patents by Inventor Thomas REISSNER

Thomas REISSNER 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).

  • Use of oligo-N,N-bis(3-aminopropyl)methylamine as curing agent for epoxy resins
    Patent number: 10544256
    Abstract: The present invention relates to the use of oligo-N,N-bis(3-aminopropyl)methylamine as hardener for epoxy resins, and also to a corresponding curable composition, curing thereof, and the cured epoxy resin obtainable therefrom.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: January 28, 2020
    Assignee: BASF SE
    Inventors: Alexander Panchenko, Monika Charrak, Ansgar Gereon Altenhoff, Thomas Reissner, Christian Krausche
  • METHOD FOR THE PREPARATION OF POLYAMINES FROM DINITRILES AND/OR AMINO NITRILES
    Publication number: 20190218341
    Abstract: The present invention relates to a process for one-stage preparation of polyamines by reacting compounds comprising at least two nitrile groups (dinitrile) or at least one nitrile group and one amino group (amino nitrile) with hydrogen in the presence of heterogeneous transition metal catalysts.
    Type: Application
    Filed: September 8, 2017
    Publication date: July 18, 2019
    Applicant: BASF SE
    Inventors: Thomas REISSNER, Ansgar Gereon ALTENHOFF, Christian MUELLER, Rolf-Hartmuth FISCHER
  • SOLUTION OF POLYSULFONE IN N-ACYL-PYRROLIDINE AND USE THEREOF FOR UF MEMBRANES
    Publication number: 20190092943
    Abstract: Solution comprising a sulfone polymer and a N-acyl-pyrrolidine of formula I wherein R1 to R9 independently from each other are a hydrogen atom or a methyl group. The solution is applied in membrane formation with polyvinylpyrrolidone as optional component.
    Type: Application
    Filed: March 8, 2017
    Publication date: March 28, 2019
    Applicant: BASF SE
    Inventors: Oliver GRONWALD, Martin WEBER, Ulrich KARL, Ulrich ABEL, Thomas REISSNER, Nicolas MARION
  • Process for preparing polyamines
    Patent number: 10189946
    Abstract: The present invention relates to a process for preparing polyamines having a mean molecular weight of ?203 g/mol, in which the deviation from the mean molecular weight per ° C. of change in the reaction temperature is <19% of the mean molecular weight, by polycondensation of diamines in the liquid phase in the presence of heterogeneous catalysts based on transition metals of the eighth to eleventh transition groups of the Periodic Table of the Elements and hydrogen at temperatures of 100 to 250° C. and pressures in the range from 60 to 150 bar, to the polyamines obtainable by this process, and to the use of the polyamines.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: January 29, 2019
    Assignee: BASF SE
    Inventors: Christoph Mueller, Thomas Reissner, Ansgar Gereon Altenhoff, Andreas Kunst, Christian Mueller
  • USE OF OLIGO-N,N-BIS(3-AMINOPROPYL)METHYLAMINE AS CURING AGENT FOR EPOXY RESINS
    Publication number: 20180201721
    Abstract: The present invention relates to the use of oligo-N,N-bis(3-aminopropyl)methylamine as hardener for epoxy resins, and also to a corresponding curable composition, curing thereof, and the cured epoxy resin obtainable therefrom.
    Type: Application
    Filed: July 8, 2016
    Publication date: July 19, 2018
    Applicant: BASF SE
    Inventors: Alexander PANCHENKO, Monika CHARRAK, Ansgar Gereon ALTENHOFF, Thomas REISSNER, Christian KRAUSCHE
  • PROCESS FOR PREPARING POLYAMINES
    Publication number: 20170066882
    Abstract: The present invention relates to a process for preparing polyamines having a mean molecular weight of ?203 g/mol, in which the deviation from the mean molecular weight per ° C. of change in the reaction temperature is <19% of the mean molecular weight, by polycondensation of diamines in the liquid phase in the presence of heterogeneous catalysts based on transition metals of the eighth to eleventh transition groups of the Periodic Table of the Elements and hydrogen at temperatures of 100 to 250° C. and pressures in the range from 60 to 150 bar, to the polyamines obtainable by this process, and to the use of the polyamines.
    Type: Application
    Filed: December 12, 2014
    Publication date: March 9, 2017
    Applicant: BASF SE
    Inventors: Christoph MUELLER, Thomas REISSNER, Ansgar Gereon ALTENHOFF, Andreas KUST, Christian MUELLER
  • Polyamines and process for preparation thereof
    Patent number: 8987518
    Abstract: The present invention relates to polyamines and to a process for preparing polyamines.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: March 24, 2015
    Assignee: BASF SE
    Inventors: Ansgar Gereon Altenhoff, Christoph Mueller, Christian Mueller, Andreas Kunst, Thomas Reissner, Kirsten Dahmen
  • POLYAMINES AND PROCESS FOR PREPARATION THEREOF
    Publication number: 20140243557
    Abstract: The present invention relates to polyamines and to a process for preparing polyamines.
    Type: Application
    Filed: February 26, 2014
    Publication date: August 28, 2014
    Applicant: BASF SE
    Inventors: Ansgar Gereon ALTENHOFF, Christoph MUELLER, Christian MUELLER, Andreas KUNST, Thomas REISSNER, Kirsten DAHMEN