Patents by Inventor Martin Melchiors

Martin Melchiors 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).

  • Publication number: 20220306916
    Abstract: The invention relates to formulations of aqueous dispersion adhesives based on aqueous polyurethane or polyurethane-urea dispersions, and to the use of the adhesive formulations for the adhesive bonding of foam substrates by the spray coagulation process. The dispersion comprises as disperse phase at least one polymer which after drying is semicrystalline or crystalline and has a melting temperature in the range from 30 to 80° C. and an enthalpy of fusion of ?35 J/g. The formulation comprises at least one plasticizer and optionally at least one tackifier resin.
    Type: Application
    Filed: August 28, 2020
    Publication date: September 29, 2022
    Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
  • Patent number: 11441058
    Abstract: The invention relates to formulations of aqueous dispersion adhesives on the basis of aqueous polyurethane or polyurethane-urea dispersions and the use of the adhesive formulations for bonding foam substrates according to the spray coagulation method.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: September 13, 2022
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
  • Publication number: 20220177751
    Abstract: The invention relates to the use of solid polycarbodiimide resins having a softening temperature of >+30° C. as cross-linking agents for adhesive dispersions polymers. The mixtures from at least one solid polycarbodiimide resin and at least one polymer dispersion are suitable for producing storage stable latent-reactive adhesive dispersions, latent-reactive adhesive layers, self-supporting latent reactive adhesive films or latent-reactive adhesive powders.
    Type: Application
    Filed: April 17, 2020
    Publication date: June 9, 2022
    Inventors: Hans-Josef Laas, Harald Kraus, Martin Melchiors
  • Publication number: 20220056265
    Abstract: The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
  • Patent number: 11247388
    Abstract: A method of applying a material comprising a fusible polymer comprises the step of: applying a filament of the at least partly molten material comprising a fusible polymer from a discharge opening of a discharge element to a first substrate. The fusible polymer has the following properties: a melting point (DSC, differential scanning calorimetry; 2nd heating at heating rate 5° C./min) within a range from ?35° C. to ?150° C.; a glass transition temperature (DMA, dynamic-mechanical analysis to DIN EN ISO 6721-1:2011) within a range from ??70° C. to ?110° C.; wherein the filament, during the application process, has an application temperature of ?100° C. above the melting point of the fusible polymer for ?20 minutes. There are still free NCO groups in the material including the fusible polymer.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: February 15, 2022
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Dirk Achten, Thomas Buesgen, Joerg Tillack, Fabian Schuster, Ralf Rott, Nicolas Degiorgio, Jonas Kuenzel, Joerg Buechner, Wolfgang Arndt, Martin Melchiors, Harald Kraus
  • Patent number: 11213999
    Abstract: A method of applying a material comprising a fusible polymer comprises the step of: applying a filament of the at least partly molten material comprising a fusible polymer from a discharge opening of a discharge element to a first substrate. The fusible polymer has the following properties: a melting point (DSC, differential scanning calorimetry; 2nd heating at heating rate 5° C./min) within a range from ?35° C. to ?150° C.; a glass transition temperature (DMA, dynamic-mechanical analysis to DIN EN ISO 6721-1:2011) within a range from ??70° C. to ?110° C.; wherein the filament, during the application process, has an application temperature of ?100° C. above the melting point of the fusible polymer for ?20 minutes. There are furthermore blocked NCO groups present in the material comprising the fusible polymer.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: January 4, 2022
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Dirk Achten, Thomas Buesgen, Joerg Tillack, Fabian Schuster, Nicolas Degiorgio, Jonas Kuenzel, Joerg Buechner, Wolfgang Arndt, Martin Melchiors, Harald Kraus
  • Publication number: 20210395945
    Abstract: The invention relates to a method for producing a composite component, comprising the steps: i) applying an aqueous composition, which contains a polychloroprene dispersion and/or a polyurethane dispersion, to at least one nonwoven; ii) coagulating the aqueous composition on the nonwoven by bringing the aqueous composition into contact with a coagulant and/or heating to 80 to 220° C., in order to form a semifinished product; and iii) optionally attaching a decoration, which comprises an adhesive film; and iv) thereafter, shaping the semifinished product from step ii) or iii) by pressing and/or heating to 30 to 220° C., in order to obtain the composite component, characterized in that the aqueous composition contains at least one thickener.
    Type: Application
    Filed: October 28, 2019
    Publication date: December 23, 2021
    Inventors: Peter KUEKER, Martin MELCHIORS, Michael JANZ, Anton NAUE
  • Patent number: 11198786
    Abstract: The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: December 14, 2021
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
  • Publication number: 20210317307
    Abstract: The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method.
    Type: Application
    Filed: September 25, 2019
    Publication date: October 14, 2021
    Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
  • Publication number: 20210317351
    Abstract: The invention relates to formulations of aqueous dispersion adhesives on the basis of aqueous polyurethane or polyurethane-urea dispersions and the use of the adhesive formulations for bonding foam substrates according to the spray coagulation method.
    Type: Application
    Filed: September 25, 2019
    Publication date: October 14, 2021
    Inventors: Harald Kraus, Robert Liberati, Peter Kueker, Martin Melchiors
  • Patent number: 11124682
    Abstract: The present invention relates to the use of hydrophilized polyisocyanates for the production of water-diluted coating compositions which have a polymeric polyol content of not more than 10%.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: September 21, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Dirk Achten, Florian Golling, Frank Sicking, Olaf Fleck, Martin Melchiors, Christoph Thiebes
  • Publication number: 20210252778
    Abstract: A method of applying a material comprising a fusible polymer comprises the step of: applying a filament of the at least partly molten material comprising a fusible polymer from a discharge opening of a discharge element to a first substrate. The fusible polymer has the following properties: a melting point (DSC, differential scanning calorimetry; 2nd heating at heating rate 5° C./min) within a range from ?35° C. to ?150° C.; a glass transition temperature (DMA, dynamic-mechanical analysis to DIN EN ISO 6721-1:2011) within a range from ??70° C. to ?110° C.; wherein the filament, during the application process, has an application temperature of ?100° C. above the melting point of the fusible polymer for ?20 minutes. There are furthermore blocked NCO groups present in the material comprising the fusible polymer.
    Type: Application
    Filed: July 12, 2019
    Publication date: August 19, 2021
    Inventors: Dirk Achten, Thomas Buesgen, Joerg Tillack, Fabian Schuster, Nicolas Degiorgio, Jonas Kuenzel, Joerg Buechner, Wolfgang Arndt, Martin Melchiors, Harald Kraus
  • Publication number: 20210245424
    Abstract: A method of applying a material comprising a fusible polymer comprises the step of: applying a filament of the at least partly molten material comprising a fusible polymer from a discharge opening of a discharge element to a first substrate. The fusible polymer has the following properties: a melting point (DSC, differential scanning calorimetry; 2nd heating at heating rate 5° C./min) within a range from ?35° C. to ?150° C.; a glass transition temperature (DMA, dynamic-mechanical analysis to DIN EN ISO 6721-1:2011) within a range from ??70° C. to ?110° C.; wherein the filament, during the application process, has an application temperature of ?100° C. above the melting point of the fusible polymer for ?20 minutes. There are still free NCO groups in the material including the fusible polymer.
    Type: Application
    Filed: July 12, 2019
    Publication date: August 12, 2021
    Inventors: Dirk Achten, Thomas Buesgen, Joerg Tillack, Fabian Schuster, Ralf Rott, Nicolas Degiorgio, Jonas Kuenzel, Joerg Buechner, Wolfgang Arndt, Martin Melchiors, Harald Kraus
  • Publication number: 20210047547
    Abstract: The present invention relates to the use of hydrophilized polyisocyanates for the production of water-diluted coating compositions which have a polymeric polyol content of not more than 10%.
    Type: Application
    Filed: December 14, 2018
    Publication date: February 18, 2021
    Inventors: Dirk Achten, Florian Golling, Frank Sicking, Olaf Fleck, Martin Melchiors, Christoph Thiebes
  • Publication number: 20210031435
    Abstract: The invention relates to a method for applying a material containing a meltable polymer comprising the step of applying a filament of the at least partially molten material from a discharge opening of a discharge element onto a substrate. The meltable polymer has the following properties: —a melting point (DSC, differential scanning calorimetry; second heating with a heating rate of 5° C./min) in a range from ?40° C. to ?120° C.; —a glass transition temperature (DMA, dynamic mechanical analysis in accordance with DIN EN ISO 6721-1:2011) in a range from ??70° C. to ?30° C.; —a storage modulus G? (parallel plate oscillation viscometer in accordance with ISO 6721-10:2015 at a frequency of 1/s) at 20° C. above the melting point of ?1·104 Pa?—a storage modulus G? (parallel plate oscillation viscometer in accordance with ISO 6721-10:2015 at a frequency of 1/s) at 10° C. below the melting point with prior heating to a temperature of 20° C. above the melting point and subsequent cooling with a cooling rate of 1° C.
    Type: Application
    Filed: February 13, 2019
    Publication date: February 4, 2021
    Inventors: Dirk Achten, Thomas Buesgen, Joerg Tillack, Peter Reichert, Nicolas Degiorgio, Martin Melchiors, Wolfgang Arndt
  • Patent number: 10882942
    Abstract: The invention relates to storage-stable aqueous dispersions of hydrophilically modified polycarbodiimide resins, a method for producing same, and the use of a salt component to reduce carbodiimide hydrolysis in aqueous polycarbodiimide dispersions.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: January 5, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Joerg Buechner, Michael Ludewig, Evgeny Avtomonov, Martin Melchiors
  • Publication number: 20200385508
    Abstract: The invention relates to storage-stable aqueous dispersions of hydrophilically modified polycarbodiimide resins, a method for producing same, and the use of a salt component to reduce carbodiimide hydrolysis in aqueous polycarbodiimide dispersions.
    Type: Application
    Filed: December 12, 2018
    Publication date: December 10, 2020
    Inventors: Joerg Buechner, Michael Ludewig, Evgeny Avtomonov, Martin Melchiors
  • Patent number: 10745591
    Abstract: The present invention relates to a method for adhesively bonding substrates, said method comprising the following steps: I) at least one adhesive component (a) and at least one isocyanate component (b) are applied between at least two substrates; II) the substrates are pressed together. The method is characterized in that in step I), the adhesive component and the isocyanate component are applied separately to the substrate. The invention further relates to a composite obtained according to said method. In a preferred embodiment, an aqueous polyurethane dispersion or a polyurethane solution in organic solvents is used as the adhesive component.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: August 18, 2020
    Assignee: Covestro Deutschland AG
    Inventors: Jörg Tillack, Dirk Achten, Wolfgang Arndt, Roland Wagner, Martin Melchiors, Cornelia Steck
  • Patent number: 10066122
    Abstract: A deformable film has a decorative surface featuring a completely matt appearance. For this purpose, the deformable film has a decorative surface provided with at least one coating comprising the following constituents: (a) an aqueous dispersion of a hydroxy-functional prepolymer, obtainable by conversion of at least one of the following components: (i) a component having hydroxyl groups, (ii) a polyester polyol having hydroxyl groups, (iii) a polyisocyanate having isocyanate groups, (iv) a compound having at least two groups reactive toward isocyanate groups and at least one group capable of anion formation, (v) water, where components (i) to (iii) and the ratio of components (i) to (iii) are selected such that an excess of hydroxyl groups is present relative to the isocyanate groups, and (b) nanoparticles having a number-average particle size of 1 to 1000 nm and (c) a crosslinker having at least two groups reactive toward hydroxyl groups.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: September 4, 2018
    Assignees: Benecke-Kaliko AG, Covestro Deutschland AG
    Inventors: Dirk Iben, Heino Koch, Stefan Reusch, Heinz Dietmar Gewiss, Martin Melchiors, Uwe Klippert, Marc Claudius Schrinner
  • Publication number: 20180105722
    Abstract: The present invention relates to a method for adhesively bonding substrates, said method comprising the following steps: I) at least one adhesive component (a) and at least one isocyanate component (b) are applied between at least two substrates; II) the substrates are pressed together. The method is characterized in that in step I), the adhesive component and the isocyanate component are applied separately to the substrate. The invention further relates to a composite obtained according to said method. In a preferred embodiment, an aqueous polyurethane dispersion or a polyurethane solution in organic solvents is used as the adhesive component.
    Type: Application
    Filed: April 7, 2016
    Publication date: April 19, 2018
    Inventors: Jörg Tillack, Dirk Achten, Wolfgang Arndt, Roland Wagner, Martin Melchiors, Cornelia Steck