Patents by Inventor Stephan Reiter

Stephan Reiter 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).

  • Polycarbonate polyols, polyisocyanate prepolymers and polyurethane and polyurethane urea elastomers based thereon
    Patent number: 11926701
    Abstract: The present invention relates to novel high-value polycarbonate polyols, to processes for the production thereof, to polyisocyanate prepolymers obtainable therefrom and also polyurethane (PUR) and polyurethane urea elastomers which under particularly demanding applications show unique combinations of processing characteristics, hydrolysis and oxidation stability, mechanical and dynamic mechanical properties.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: March 12, 2024
    Assignee: Covestro Deutschland AG
    Inventors: Hartmut Nefzger, Harald Knaup, Hans-Peter Huber, Andreas Stumpf, Stephan Reiter
  • POLYCARBONATE POLYOLS, POLYISOCYANATE PREPOLYMERS AND POLYURETHANE AND POLYURETHANE UREA ELASTOMERS BASED THEREON
    Publication number: 20230098913
    Abstract: The present invention relates to novel high-value polycarbonate polyols, to processes for the production thereof, to polyisocyanate prepolymers obtainable therefrom and also polyurethane (PUR) and polyurethane urea elastomers which under particularly demanding applications show unique combinations of processing characteristics, hydrolysis and oxidation stability, mechanical and dynamic mechanical properties.
    Type: Application
    Filed: December 12, 2018
    Publication date: March 30, 2023
    Inventors: Hartmut NEFZGER, Harald KNAUP, Hans-Peter HUBER, Andreas STUMPF, Stephan REITER
  • Method for producing flame retardant polyurethane foams using halogen-free flame retardants
    Patent number: 11192991
    Abstract: The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: December 7, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Sven Meyer-Ahrens, Stephan Reiter, Engin Cavlan, Matthäus Gossner
  • METHOD FOR PRODUCING FLAME RETARDANT POLYURETHANE FOAMS USING HALOGEN-FREE FLAME RETARDANTS
    Publication number: 20200140641
    Abstract: The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 7, 2020
    Inventors: Sven Meyer-Ahrens, Stephan Reiter, Engin Cavlan, Matthäus Gossner
  • Method for producing flame retardant polyurethane foams using halogen-free flame retardants
    Patent number: 10563032
    Abstract: The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: February 18, 2020
    Assignee: Covestro Deutschland AG
    Inventors: Sven Meyer-Ahrens, Stephan Reiter, Engin Cavlan, Matthäus Gossner
  • METHOD FOR PRODUCING FLAME RETARDANT POLYURETHANE FOAMS USING HALOGEN-FREE FLAME RETARDANTS
    Publication number: 20170306122
    Abstract: The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.
    Type: Application
    Filed: November 18, 2015
    Publication date: October 26, 2017
    Inventors: Sven Meyer-Ahrens, Stephan Reiter, Engin Cavlan, Matthäus Gossner
  • Foams of high thermal stability
    Patent number: 9481776
    Abstract: The invention relates to foams of high thermal stability, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: November 1, 2016
    Assignee: Covestro Deutschland AG
    Inventors: Dirk Wegener, Stephan Reiter, Harald Rasselnberg, Marcel Schornstein, Hans-Detlef Arntz, Dirk Brüning
  • Catalysts and use thereof in the production of polyurethanes
    Patent number: 9416215
    Abstract: The present invention relates to new catalysts and production thereof as well as the preferred use thereof in the production of polyisocyanate polyaddition products. The described catalysts are tetravalent tin compounds with at least one ligand bonded via at least one oxygen atom or sulfur atom and containing at least one nitrogen atom.
    Type: Grant
    Filed: April 18, 2009
    Date of Patent: August 16, 2016
    Assignee: Covestro Deutschland AG
    Inventors: Jens Krause, Stephan Reiter, Stefan Lindner, Axel Schmidt, Klaus Jurkschat, Markus Schürmann, Gerrit Bradtmöller
  • High-value polyurethane elastomers and production thereof
    Patent number: 9062149
    Abstract: The present invention relates to high-value polyurethane (PUR) and polyurethaneurea elastomers, which can be processed in a particularly simple manner by use of low-viscosity prepolymers based on naphthalene 1,5-diisocyanate, and to a process for production thereof.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: June 23, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Florian Hupka, Stephan Reiter, Hartmut Nefzger, Jens Krause
  • Use of tin catalysts for the production of polyurethane coatings
    Patent number: 8946372
    Abstract: The present invention relates to the use of specific inorganic Sn(IV) for the production of polyisocyanate polyaddition products from a) at least one aliphatic, cycloaliphatic, araliphatic and/or aromatic polyisocyanate, b) at least one NCO-reactive compound, c) at least one thermolatent inorganic tin-containing catalyst, d) optionally further catalysts and/or activators other than c), e) optionally fillers, pigments, additives, thickeners, antifoams and/or other auxiliary substances and additives, wherein the ratio of the weight of the tin from component c) and the weight of component a) is less than 3000 ppm when component a) is an aliphatic polyisocyanate and less than 95 ppm when component a) is an aromatic polyisocyanate, wherein as thermolatent catalysts cyclic tin compounds of formula I, II or III: wherein n>1, are used.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: February 3, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Frank Richter, Raul Pires, Stephan Reiter, Jens Krause, Klaus Jurkschat, Ljuba Iovkova, Markus Schürmann, Gerrit Bradtmöller
  • HIGH-VALUE POLYURETHANE ELASTOMERS AND PRODUCTION THEREOF
    Publication number: 20140142243
    Abstract: The present invention relates to high-value polyurethane (PUR) and polyurethaneurea elastomers, which can be processed in a particularly simple manner by use of low-viscosity prepolymers based on naphthalene 1,5-diisocyanate, and to a process for production thereof.
    Type: Application
    Filed: June 26, 2012
    Publication date: May 22, 2014
    Inventors: Florian Hupka, Stephan Reiter, Hartmut Nefzger, Jens Krause
  • MOULDED PARTS CONSISTING OF REINFORCED POLYURETHANE UREA ELASTOMERS AND USE THEREOF
    Publication number: 20140107291
    Abstract: The invention relates to moulded parts provided with reinforcing materials and consisting of polyurethane urea elastomers having defined urea and urethane contents, and to the use thereof.
    Type: Application
    Filed: March 21, 2012
    Publication date: April 17, 2014
    Applicant: BAYER INTELLECTUAL PROPERTY GmbH
    Inventors: Norbert Eisen, Stephan Reiter, Dieter Gaumitz
  • FOAMS OF HIGH THERMAL STABILITY
    Publication number: 20130337208
    Abstract: The invention relates to foams of high thermal stability, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.
    Type: Application
    Filed: December 12, 2011
    Publication date: December 19, 2013
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Dirk Wegener, Stephan Reiter, Harald Rasselnberg, Marcel Schornstein, Hans-Detlef Arntz, Dirk Brüning
  • Polyisocyanate Polyaddition Products, Method for Producing Same, and Use Thereof
    Publication number: 20120302718
    Abstract: The invention relates to polyisocyanate polyaddition products, to a method for producing same, and to the use thereof.
    Type: Application
    Filed: January 28, 2011
    Publication date: November 29, 2012
    Applicant: Bayer Intellectual Property GmbH Creative Campus Monheim
    Inventors: Jens Krause, Stephan Reiter, Hartmut Nefzger
  • CATALYSTS AND THEIR USE
    Publication number: 20120232181
    Abstract: The invention relates to novel catalysts and the use thereof, for example in the preparation of polyisocyanate polyaddition products.
    Type: Application
    Filed: October 26, 2010
    Publication date: September 13, 2012
    Applicant: Bayer MaterialScience Ag
    Inventors: Stephan Reiter, Jens Krause, Harald Knaup, Klaus Jurkschat, Markus Schürmann, Gerrit Bradtmöller
  • USE OF TIN CATALYSTS FOR THE PRODUCTION OF POLYURETHANE COATINGS
    Publication number: 20120220717
    Abstract: The invention relates to the use of specific catalysts for the production of polyisocyanate polyaddition products, in particular for the coatings sector.
    Type: Application
    Filed: October 26, 2010
    Publication date: August 30, 2012
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Frank Richter, Raul Pires, Stephan Reiter, Jens Krause, Klaus Jurkschat, Ljuba Iovkova, Markus Schürmann, Gerrit Bradtmöller
  • NEW CATALYSTS AND USE THEREOF IN THE PRODUCTION OF POLYURETHANES
    Publication number: 20110054140
    Abstract: The present invention relates to new catalysts and production thereof as well as the preferred use thereof in the production of polyisocyanate polyaddition products.
    Type: Application
    Filed: April 18, 2009
    Publication date: March 3, 2011
    Inventors: Jens Krause, Stephan Reiter, Stefan Lindner, Axel Schmidt, Klaus Jurkschat, Markus Schürmann, Gerrit Bradtmöller