Patents by Inventor Kerstin Wiss

Kerstin Wiss 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).

  • PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER POLYOLS
    Publication number: 20200332058
    Abstract: This invention relates to a process for the continuous production of polyether polyols, polyether polyols produced by the inventive continuous process and their use in polyurethane applications.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Applicant: BASF SE
    Inventors: Julia Grosse-Willerich, Kerstin Wiss, Karl-Heinz Wassmer, Peter Deglmann, Christian Buss, Vinit Chilekar
  • Process for the continuous production of polyether polyols
    Patent number: 10752731
    Abstract: This invention relates to a process for the continuous production of polyether polyols, polyether polyols produced by the inventive continuous process and their use in polyurethane applications.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: August 25, 2020
    Assignees: BASF SE, BASF Schwarzheide GmbH
    Inventors: Julia Grosse-Willerich, Kerstin Wiss, Karl-Heinz Wassmer, Peter Deglmann, Christian Buss, Vinit Chilekar
  • PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER POLYOLS
    Publication number: 20200207912
    Abstract: This invention relates to a process for the continuous production of polyether polyols, polyether polyols produced by the inventive continuous process and their use in polyurethane applications.
    Type: Application
    Filed: March 9, 2020
    Publication date: July 2, 2020
    Applicant: BASF SE
    Inventors: Julia GROSSE-WILLERICH, Kerstin Wiss, Karl-Heinz Wassmer, Peter Deglmann, Christian Buss, Vinit Chilekar
  • PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER POLYOLS
    Publication number: 20170037183
    Abstract: This invention relates to a process for the continuous production of polyether polyols, polyether polyols produced by the inventive continuous process and their use in polyurethane applications.
    Type: Application
    Filed: April 1, 2015
    Publication date: February 9, 2017
    Applicant: BASF SE
    Inventors: Julia GROSSE-WILLERICH, Kerstin WISS, Karl-Heinz WASSMER, Peter DEGLMANN, Christian BUSS, Vinit CHILEKAR
  • Process for organocatalytic ring-opening polymerization
    Patent number: 9512266
    Abstract: The present invention relates to a process for organocatalytic ring-opening polymerization of at least one monomer M suitable for ring-opening polymerization, or of mixtures thereof, wherein, in a step (i), at least one N-heterocyclic compound is subjected in the presence of at least one Zerevitinov-active compound Z1 to a temperature of at least 80° C. for a period of at least 30 seconds and, in a step (ii), the monomer M is added and reacted.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: December 6, 2016
    Assignee: BASF SE
    Inventors: Kerstin Wiss, Sirus Zarbakhsh, Achim Loeffler, Peter Deglmann, Lothar Riebel, Michael Limbach, Ronald Lindner, Michael Ludwik Lejkowski, Julia Frauke Grosse-Willerich
  • Process for preparing polyether polyols
    Patent number: 9156761
    Abstract: The present invention relates to a process for preparing polyetherols by catalytic ring-opening polymerization, wherein at least one nitrogen-containing cyclic precatalyst compound is used.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: October 13, 2015
    Assignee: BASF SE
    Inventors: Kerstin Wiss, Sirus Zarbakhsh, Achim Loeffler, Peter Deglmann, Michael Limbach, Ronald Lindner, Severine Lavy, Michael Ludwik Lejkowski
  • PROCESS FOR ORGANOCATALYTIC RING-OPENING POLYMERIZATION
    Publication number: 20150197599
    Abstract: The present invention relates to a process for organocatalytic ring-opening polymerization of at least one monomer M suitable for ring-opening polymerization, or of mixtures thereof, wherein, in a step (i), at least one N-heterocyclic compound is subjected in the presence of at least one Zerevitinov-active compound Z1 to a temperature of at least 80° C. for a period of at least 30 seconds and, in a step (ii), the monomer M is added and reacted.
    Type: Application
    Filed: January 15, 2015
    Publication date: July 16, 2015
    Applicant: BASF SE
    Inventors: Kerstin WISS, Sirus Zarbakhsh, Achim Loeffler, Peter Deglmann, Lothar Riebel, Michael Limbach, Ronald Lindner, Michael Ludwik Lejkowski, Julia Frauke Grosse-Willerich
  • Process for organocatalytic ring-opening polymerization
    Patent number: 9056945
    Abstract: The present invention relates to a process for organocatalytic ring-opening polymerization of at least one monomer M suitable for ring-opening polymerization, or of mixtures thereof, wherein, in a step (i), at least one N-heterocyclic compound is subjected in the presence of at least one Zerevitinov-active compound Z1 to a temperature of at least 80° C. for a period of at least 30 seconds and, in a step (ii), the monomer M is added and reacted.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: June 16, 2015
    Assignee: BASF SE
    Inventors: Kerstin Wiss, Sirus Zarbakhsh, Achim Loeffler, Peter Deglmann, Lothar Riebel, Michael Limbach, Ronald Lindner, Michael Ludwik Lejkowski, Julia Frauke Grosse
  • PROCESS FOR PREPARING POLYETHER POLYOLS
    Publication number: 20130274526
    Abstract: The present invention relates to a process for preparing polyetherols by catalytic ring-opening polymerization, wherein at least one nitrogen-containing cyclic precatalyst compound is used.
    Type: Application
    Filed: March 26, 2013
    Publication date: October 17, 2013
    Inventors: Kerstin WISS, Sirus Zarbakhsh, Achim Loeffler, Peter Deglmann, Michael Limbach, Ronald Lindner, Severine Lavy, Michael Ludwik Lejkowski
  • PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHEROLS
    Publication number: 20130261206
    Abstract: The present invention relates to a process for the continuous production of polyether alcohols by catalyzed addition of at least one alkylene oxide to at least one hydrogen-functional starter compound, wherein at least one catalyst exhibits the structural element R1/R2C=N?R3.
    Type: Application
    Filed: March 28, 2013
    Publication date: October 3, 2013
    Applicant: BASF SE
    Inventors: Vinit CHILEKAR, Kerstin WISS, Julia Frauke GROSSE, Peter DEGLMANN, Achim LOEFFLER
  • PROCESS FOR ORGANOCATALYTIC RING-OPENING POLYMERIZATION
    Publication number: 20130253164
    Abstract: The present invention relates to a process for organocatalytic ring-opening polymerization of at least one monomer M suitable for ring-opening polymerization, or of mixtures thereof, wherein, in a step (i), at least one N-heterocyclic compound is subjected in the presence of at least one Zerevitinov-active compound Z1 to a temperature of at least 80° C. for a period of at least 30 seconds and, in a step (ii), the monomer M is added and reacted.
    Type: Application
    Filed: March 26, 2013
    Publication date: September 26, 2013
    Applicant: BASF SE
    Inventors: Kerstin Wiss, Sirus Zarbakhsh, Achim Loeffler, Peter Deglmann, Lothar Riebel, Michael Limbach, Ronald Lindner, Michael Ludwik Lejkowski, Julia Frauke Grosse
  • PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHEROLS
    Publication number: 20130030074
    Abstract: The present invention relates to a process for the continuous production of polyether alcohols.
    Type: Application
    Filed: July 25, 2012
    Publication date: January 31, 2013
    Applicant: BASF SE
    Inventors: Vinit CHILEKAR, Kerstin Wiss, Achim Löffler, Peter Deglmann, Sirus Zarbakhsh, Christian Buß
  • PROCESS FOR PRODUCING POLYETHEROLS
    Publication number: 20110282027
    Abstract: The present invention relates to processes for producing polyetherols, in particular to polyetherol block structures, to novel catalysts for use in said processes, and to the polyetherols that can be produced via the process of the invention. The present invention further relates to the use, for producing polyurethanes, of the polyetherols that can be produced in the invention.
    Type: Application
    Filed: May 9, 2011
    Publication date: November 17, 2011
    Applicant: BASF SE
    Inventors: Peter DEGLMANN, Sirus Zarbakhsh, Achim Löffler, Kerstin Wiss