Patents by Inventor Thomas Feller

Thomas Feller 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).

  • Patent number: 10934386
    Abstract: The present invention relates to aqueous polyurethane dispersions comprising pentamethylene diisocyanate and to coatings obtainable therefrom. Said coatings, given a high density of urethane and urea groups, are softer than coatings that are obtained with polyurethane dispersions comprising other aliphatic diisocyanates, for example hexamethylene diisocyanate.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: March 2, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Hans Georg Grablowitz, Thomas Feller
  • Publication number: 20200332147
    Abstract: The present invention relates to coatings which have high stability with respect to chemical and mechanical impacts. Said coatings are obtainable by crosslinking polyisocyanates with a low oligomer content.
    Type: Application
    Filed: October 18, 2017
    Publication date: October 22, 2020
    Inventors: Dirk ACHTEN, Maria ALMATO GUITERAS, Saskia BEUCK, Thomas FELLER, Florian GOLLING
  • Publication number: 20190225738
    Abstract: The present invention relates to aqueous polyurethane dispersions comprising pentamethylene diisocyanate and to coatings obtainable therefrom. Said coatings, given a high density of urethane and urea groups, are softer than coatings that are obtained with polyurethane dispersions comprising other aliphatic diisocyanates, for example hexamethylene diisocyanate.
    Type: Application
    Filed: July 26, 2017
    Publication date: July 25, 2019
    Inventors: Hans Georg GRABLOWITZ, Thomas FELLER
  • Patent number: 10233279
    Abstract: The present invention relates to novel aqueous polyurethane dispersions produced using at least two poly(tetramethylene glycol) polyether polyols with different average molar masses and at least two different polyisocyanate components.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: March 19, 2019
    Assignee: Covestro-Deutschland AG
    Inventors: Sebastian Dörr, Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis
  • Patent number: 10087294
    Abstract: The present invention relates to an aqueous polyurethaneurea dispersion, wherein the polyurethaneurea has specific formation components, and which is characterized in that it has a content of —COOH groups of at least 0.75% by weight, where 0% to 35% of these groups have been neutralized, and in that 5 to 50 mol % of isocyanate groups present have been reacted with a monofunctional component. The invention further relates to the use of this dispersion as coating composition, to a fiber having a cured coating and to a composite material.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: October 2, 2018
    Assignee: Covestro Deutschland AG
    Inventors: Hans G. Grablowitz, Thomas Feller, Martin Kreuter, Petra Janßen, Ingo Gipperich
  • Patent number: 9783701
    Abstract: An aqueous polyurethane dispersion comprises a polyurethane polymer obtainable by the reaction of an isocyanate-functional polyurethane prepolymer A) with an isocyanate-reactive component B), wherein the isocyanate-functional prepolymer A) is obtainable by the reaction of a mixture comprising: a polyol component comprising a polyester polyol obtainable by the reaction of a mixture comprising an aliphatic dicarboxylic acid and at least one diol selected from the group consisting of linear aliphatic diols and a branched aliphatic diols; and a polyisocyanate component comprising ?50 weight-%, based on the total weight of polyisocyanates, of dicyclohexylmethane diisocyanate. The isocyanate-reactive component B) comprises a compound comprising sulfonate groups which is employed in an amount of ?3.5 weight-% to ?10 weight-%, based on the total weight of the polyol component, the polyisocyanate component and the isocyanate-reactive component B).
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: October 10, 2017
    Assignee: Covestro Deutschland AG
    Inventors: Sebastian Dörr, Hans Georg Grablowitz, Sophie Viala, Thomas Feller, Thomas Michaelis
  • Publication number: 20160257795
    Abstract: The present invention relates to an aqueous polyarethaneurea dispersion, wherein the polyurethaneurea has specific formation components, and which is characterized in that it has a content of —COOH groups of at least 0.75% by weight, where 0% to 35% of these groups have been neutralized, and in that 5 to 50 mol % of isocyanate groups present have been reacted with a monofunctional component. The invention further relates to the use of this dispersion as coating composition, to a fibre having a cured coating and to a composite material.
    Type: Application
    Filed: March 2, 2016
    Publication date: September 8, 2016
    Inventors: Hans G. GRABLOWITZ, Thomas FELLER, Martin KREUTER, Petra JANßEN, Ingo GIPPERICH
  • Patent number: 9404020
    Abstract: The present invention relates to an aqueous blocked polyurethaneurea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl and/or carboxylate group, and water. Additionally provided by the invention are a coating composition comprising the aqueous blocked polyurethaneurea dispersion, the use of the aqueous blocked polyurethaneurea dispersion or of the coating composition for producing a coating, a coating obtainable using the aqueous blocked polyurethaneurea dispersion or the coating composition, and a method for producing the aqueous blocked polyurethaneurea dispersion.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: August 2, 2016
    Assignee: Covestro Deutschland AG
    Inventors: Hans-Georg Grablowitz, Thomas Feller, Thomas Michaelis, Tanja Hebestreit, Ingo Gipperich
  • Publication number: 20150204012
    Abstract: The invention relates to new, hydrolysis-stable, aqueous polyurethane-polyurea dispersions based on polycarbonate-polyols, to a process for preparing them and to their use in coating materials.
    Type: Application
    Filed: January 22, 2015
    Publication date: July 23, 2015
    Inventors: Lyubov Gindin, Peter Schmitt, Ronald Konitsney, William Corso, Thorsten Rische, Thomas Feller, Thomas Michaelis
  • Publication number: 20150141573
    Abstract: The present invention relates to an aqueous blocked polyurethaneurea dispersion which is obtainable by reacting at least one polyisocyanate, one blocking agent for isocyanate groups, one polyamine having at least one carboxyl and/or carboxylate group, and water. Additionally provided by the invention are a coating composition comprising the aqueous blocked polyurethaneurea dispersion, the use of the aqueous blocked polyurethaneurea dispersion or of the coating composition for producing a coating, a coating obtainable using the aqueous blocked polyurethaneurea dispersion or the coating composition, and a method for producing the aqueous blocked polyurethaneurea dispersion.
    Type: Application
    Filed: May 22, 2013
    Publication date: May 21, 2015
    Inventors: Hans-Georg Grablowitz, Thomas Feller, Thomas Michaelis, Tanja Hebestreit, Ingo Gipperich
  • Publication number: 20150005444
    Abstract: The present invention relates to aqueous polyurethane dispersions containing an anionically hydrophilized and non-ionically hydrophilized polyurethane polymer with incorporated dihydrazide compounds, to a process for preparing them, and to their use for preparing coated textiles.
    Type: Application
    Filed: January 22, 2013
    Publication date: January 1, 2015
    Inventors: Hans Georg Grablowitz, Thomas Feller, Wei Zhuang
  • Publication number: 20140342624
    Abstract: Aqueous polyurethane dispersion for waterproof breathable coatings An aqueous polyurethane dispersion comprises a polyurethane polymer obtainable by the reaction of an isocyanate-functional polyurethane prepolymer A) with an isocyanate-reactive component B), wherein the isocyanate-functional prepolymer A) is obtainable by the reaction of a mixture comprising: a polyol component comprising a polyester polyol obtainable by the reaction of a mixture comprising an aliphatic dicarboxylic acid and at least one diol selected from the group consisting of linear aliphatic diols and a branched aliphatic diols; and a polyisocyanate component comprising ?50 weight-%, based on the total weight of polyisocyanates, of dicyclohexylmethane diisocyanate. The isocyanate-reactive component B) comprises a compound comprising sulfonate groups which is employed in an amount of ?3.5 weight-% to ?10 weight-%, based on the total weight of the polyol component, the polyisocyanate component and the isocyanate-reactive component B).
    Type: Application
    Filed: September 11, 2012
    Publication date: November 20, 2014
    Applicant: Bayer Intellectual Property GmbH Creative Campus Monheim
    Inventors: Sebastian Dörr, Hans Georg Grablowitz, Sophie Viala, Thomas Feller, Thomas Michaelis
  • Publication number: 20140249266
    Abstract: The present invention relates to aqueous polyurethane urea dispersions based on polyester polyols, which dispersions result in low emissions and are used as coating compositions.
    Type: Application
    Filed: March 28, 2012
    Publication date: September 4, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis, Evgeny Avtomonov
  • Patent number: 8629195
    Abstract: The invention relates to a process for producing polyurethane foams, by frothing and drying mixtures of specific polyurethane dispersions and crosslinkers.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: January 14, 2014
    Assignee: Bayer MaterialScience AG
    Inventors: Jan Schönberger, Michael Mager, Thorsten Rische, Sebastian Dörr, Thomas Feller, Michael Heckes, Melita Dietze, Burkhard Fugmann
  • Patent number: 8513334
    Abstract: The present invention relates to aqueous polyurethane urea dispersions having integral functional groups and coating agents produced therefrom, to a method for the production thereof, and to the use thereof for producing coating agents.
    Type: Grant
    Filed: February 10, 2010
    Date of Patent: August 20, 2013
    Assignee: Bayer Materialscience AG
    Inventors: Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis
  • Publication number: 20130004556
    Abstract: The invention relates to novel chewable foams which are useful in the oral care sector and which are based on polyurethane-polyureas, to a method for the production of these novel chewable foams, and also to use thereof.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 3, 2013
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Steffen HOFACKER, Thorsten RISCHE, Meike NIESTEN, Thomas FELLER, Thomas MICHAELIS
  • Publication number: 20120263658
    Abstract: Flavored chewable foams for the oral care sector are produced from a polyurethane-polyurea and a sensorially active substance (e.g., taste substance and/or aroma substance) by foaming a polyurethane-urea dispersion, drying that dispersion and incorporating the sensorially active substance into the polyurethane-urea dispersion before, during or after foaming of the dispersion.
    Type: Application
    Filed: June 6, 2012
    Publication date: October 18, 2012
    Applicant: Bayer MaterialScience AG
    Inventors: Steffen HOFACKER, Thomas FELLER, Thomas MICHAELIS, Sebastian DOERR, Dirk SCHWANNECKE, Meike NIESTEN, Thorsten RISCHE
  • Publication number: 20120259063
    Abstract: The present invention relates to the use of polymer mixtures in the coating of decorative films and decorative surfaces.
    Type: Application
    Filed: October 15, 2010
    Publication date: October 11, 2012
    Applicants: Benecke-Kaliko AG, Bayer MaterialScience Ag
    Inventors: Rolf Gertzmann, Thomas Feller, Thomas Michaelis, Dirk Iben, Heino Koch
  • Publication number: 20120232006
    Abstract: The invention relates to a process for producing polyurethane foams, by frothing and drying mixtures of specific polyurethane dispersions and crosslinkers.
    Type: Application
    Filed: April 17, 2012
    Publication date: September 13, 2012
    Applicant: Bayer MaterialScience AG
    Inventors: Jan Schönberger, Michael Mager, Thorsten Rische, Sebastian Dörr, Thomas Feller, Michael Heckes, Melita Dietze, Burkhard Fugmann
  • Publication number: 20120121902
    Abstract: The present invention relates to novel aqueous polyurethane dispersions produced using at least two poly(tetramethylene glycol) polyether polyols with different average molar masses and at least two different polyisocyanate components.
    Type: Application
    Filed: June 1, 2010
    Publication date: May 17, 2012
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Sebastian Dörr, Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis