Patents by Inventor Gunnar Hoffmueller

Gunnar Hoffmueller 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).

  • Oil-bleed self-bonding liquid silicone rubber composition
    Patent number: 12365799
    Abstract: The present invention relates to an oil-bleed self-bonding liquid silicone rubber composition having both self-bonding and self-lubricating capabilities. The oil-bleed self-bonding liquid silicone rubber composition exhibits self-bonding capability in particular to substrates that contain residual hydroxyl groups or other residual hydrosilyl-reacting groups on their surface, including polycarbonate, polyester, polyamide, polysulfone, polyurethane, phenolic resin, epoxy resin, cellulose, glass and the mixture thereof.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: July 22, 2025
    Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Huiping Zhang, Clemens Trumm, Gunnar Hoffmueller, John Mitchell Huggins, Hubertus Eversheim, Srividhya Marimuthu, Enise Michalski
  • Addition-curable silicone rubber composition
    Patent number: 11306205
    Abstract: The present invention relates to an addition-curable silicone rubber composition having self-bonding capability. The addition-curable silicone rubber composition exhibits self-bonding capability in particular to substrates that contain residual hydroxyl groups or other residual hydrosilyl-reacting groups on their surface, including polycarbonate, polyester, polyamide, polysulfone, polyurethane, phenolic resin, epoxy resin, cellulose, glass and the mixture thereof.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 19, 2022
    Assignee: MOMENTIVE PERFORMANCE MATERIALS, INC
    Inventors: Huiping Zhang, Srividhya Marimuthu, Gunnar Hoffmueller, John Mitchell Huggins, Enise Michalski
  • OIL-BLEED SELF-BONDING LIQUID SILICONE RUBBER COMPOSITION
    Publication number: 20210261778
    Abstract: The present invention relates to an oil-bleed self-bonding liquid silicone rubber composition having both self-bonding and self-lubricating capabilities. The oil-bleed self-bonding liquid silicone rubber composition exhibits self-bonding capability in particular to substrates that contain residual hydroxyl groups or other residual hydrosilyl-reacting groups on their surface, including polycarbonate, polyester, polyamide, polysulfone, polyurethane, phenolic resin, epoxy resin, cellulose, glass and the mixture thereof.
    Type: Application
    Filed: May 23, 2019
    Publication date: August 26, 2021
    Inventors: Huiping ZHANG, Clemens TRUMM, Gunnar HOFFMUELLER, John Mitchell HUGGINS, Hubertus EVERSHEIM, Srividhya MARIMUTHU, Enise MICHALSKI
  • ADDITION-CURABLE SILICONE RUBBER COMPOSITION
    Publication number: 20190375937
    Abstract: The present invention relates to an addition-curable silicone rubber composition having self-bonding capability. The addition-curable silicone rubber composition exhibits self-bonding capability in particular to substrates that contain residual hydroxyl groups or other residual hydrosilyl-reacting groups on their surface, including polycarbonate, polyester, polyamide, polysulfone, polyurethane, phenolic resin, epoxy resin, cellulose, glass and the mixture thereof.
    Type: Application
    Filed: December 20, 2017
    Publication date: December 12, 2019
    Applicant: Momentive Performance Materials Inc.
    Inventors: Huiping ZHANG, Srividhya MARIMUTHU, Gunnar HOFFMUELLER, John Mitchell HUGGINS, Enise MICHALSKI
  • Process For The Manufacture Of Polyorganosiloxanes Comprising (C6-C60)-Alkylmethylsiloxy Groups And Dimethylsiloxy Groups
    Publication number: 20100178266
    Abstract: The present invention relates to novel processes for the manufacture of poly-organosiloxanes comprising (C6-C60)-alkylmethylsiloxy-groups and dimethyl-siloxy groups, polyorganosiloxanes obtainable by such processes, preferably aqueous emulsions comprising such polyorganosiloxanes and the use of such polyorganosiloxanes.
    Type: Application
    Filed: June 23, 2008
    Publication date: July 15, 2010
    Applicant: MOMENTIVE PERFORMANCE MATERIALS GMBH
    Inventors: John Huggins, Martin Kropfgans, Gunnar Hoffmueller, Hubertus Eversheim
  • Low temperature cure silicone release coatings containing branched silylhydrides
    Publication number: 20090171010
    Abstract: Low temperature hydrosilylaltion reactions to create silicone release coatings utilizing hydridosiloxanes that are branched due to the incorporation of T or Q units, and the inclusion of MH terminal units. The hydridosiloxanes of the present invention provide for faster reaction at low temperatures while providing the optimal MH to DHratio and maintaining the required physical properties of the desired polymer product. The silicone release coatings of the present invention are valuable for use on heat-sensitive supports or films.
    Type: Application
    Filed: December 31, 2007
    Publication date: July 2, 2009
    Inventors: John Kilgour, Jos Delis, Gunnar Hoffmueller
  • Low temperature hydrosilylation catalyst and silicone release coatings
    Publication number: 20090171055
    Abstract: The present invention provides novel low temperature thermal, solventless silicone release coatings for temperature sensitive films. The invention utilizes novel hydridosiloxane crosslinking fluid and hydrosilylation catalyst in conjunction with standard additives, which produce curable polysiloxane release coatings on temperature sensitive films.
    Type: Application
    Filed: December 31, 2007
    Publication date: July 2, 2009
    Inventors: John Kilgour, Jos Delis, Gunnar Hoffmueller