Patents by Inventor Norbert Grittner

Norbert Grittner 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: 20230191772
    Abstract: A plate cylinder for multiple mounting of flexographic printing plates is provided. The plate cylinder has an outer circumferential surface and a longitudinal axis. It comprises an adhesion layer attached to the plate cylinder, the adhesion layer comprising a carrier sheet with a mounting surface side facing the plate cylinder and an adhesion surface side facing radially outwards in relation to the longitudinal axis; and a plurality of adhesion elements. Each of these adhesion elements includes an elongated body extending radially outwards in relation to the longitudinal axis and an end face for attaching the printing plate by an adhesive bond, wherein the end faces of the adhesion elements form the adhesion surface side.
    Type: Application
    Filed: April 6, 2021
    Publication date: June 22, 2023
    Applicant: tesa SE
    Inventors: Stefan Wulf, Norbert Grittner
  • Patent number: 11312889
    Abstract: An autohesive polymer material that includes: at least one polymer having at least two terminal silyl groups of the Formula (1) given by: Si(R1)a(R2)b??(1). Each of the radicals R1 comprises an alkyl, alkenyl or aryl group or a hydrogen atom. Each of the radicals R2 comprises a group that can be eliminated with water, b is 1, 2 or 3, and a is 3?b. The polymer material further includes at least one condensation catalyst. Further, the polymer material is chemically precrosslinked and further crosslinkable with moisture. In addition, the polymer material is configured for use as a layer body that can be applied to a substrate. The polymer material of this kind can also be used for producing permanent bonds.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: April 26, 2022
    Assignee: tesa SE
    Inventors: Marten Papenbroock, Sven Heidsieck, Björn Zeysing, Tobias Winkler, Norbert Grittner, Friederike Kettling
  • Publication number: 20210009878
    Abstract: An autohesive polymer material that includes: at least one polymer having at least two terminal silyl groups of the Formula (1) given by: Si(R1)a(R2)b??(1). Each of the radicals R1 comprises an alkyl, alkenyl or aryl group or a hydrogen atom. Each of the radicals R2 comprises a group that can be eliminated with water, b is 1, 2 or 3, and a is 3?b. The polymer material further includes at least one condensation catalyst. Further, the polymer material is chemically precrosslinked and further crosslinkable with moisture. In addition, the polymer material is configured for use as a layer body that can be applied to a substrate. The polymer material of this kind can also be used for producing permanent bonds.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 14, 2021
    Applicant: tesa SE
    Inventors: Marten Papenbroock, Sven Heidsieck, Björn Zeysing, Tobias Winkler, Norbert Grittner, Friederike Kettling
  • Patent number: 9708769
    Abstract: Method for uniform coating of a composition onto a carrier material in web form, through the use of a coating apparatus comprising at least one element A, that forms with a further element B a nip ahead of which the composition is held up, and that moves relative to the element B in such a way that a rotating body of composition is developed and the composition is conveyed into the nip; comprising introduction of the composition into the intake region of the nip, the application of the composition to a carrier material in web form in the nip or after the composition has travelled through the nip, and which limits the longitudinal extent E of the nip intake region fully fillable by the body of composition.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: July 18, 2017
    Assignee: TESA SE
    Inventors: Norbert Grittner, Matthias Lehder, Karsten Kuss
  • Patent number: 9505959
    Abstract: The invention relates to a process for preparing homogeneously crosslinked polymers, in which at least one crosslinker is added to a polymer in the melt, in which the polymer is further processed from the melt, and in which a thermal crosslinking reaction is brought about by means of the crosslinker, with at least part of the crosslinking reaction taking place after the further processing at a temperature below the melting temperature of the polymer, characterized in that the crosslinker comprises an at least difunctional compound, at least one of the functional groups being an oxazoline group, and the polymer contains functional groups which, at a temperature below the melting temperature of the polymer, are able to react with the oxazolines in a linking reaction in the sense of the thermal crosslinking reaction.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: November 29, 2016
    Assignee: tesa SE
    Inventors: Norbert Grittner, Sven Hansen, Alexander Prenzel, Stephan Zöllner
  • Publication number: 20150292157
    Abstract: Method for uniform coating of a composition onto a carrier material in web form, through the use of a coating apparatus comprising at least one element A, that forms with a further element B a nip ahead of which the composition is held up, and that moves relative to the element B in such a way that a rotating body of composition is developed and the composition is conveyed into the nip; comprising introduction of the composition into the intake region of the nip, the application of the composition to a carrier material in web form in the nip or after the composition has travelled through the nip, and which limits the longitudinal extent E of the nip intake region fully fillable by the body of composition.
    Type: Application
    Filed: March 30, 2015
    Publication date: October 15, 2015
    Inventors: Norbert GRITTNER, Matthias LEHDER, Karsten KUSS
  • Publication number: 20140170326
    Abstract: Crosslinker-accelerator system for the thermal crosslinking of polyacrylates with functional groups suitable for entering into linking reactions with cyclic ethers, more particularly epoxide groups or oxetane groups, comprising at least one substance containing epoxide or oxetane groups (crosslinker) and at least one substance with an accelerating action for the linking reaction at a temperature below the melting temperature of the polyacrylate (accelerator).
    Type: Application
    Filed: December 23, 2013
    Publication date: June 19, 2014
    Applicant: tesa SE
    Inventors: Norbert Grittner, Sven Hansen, Alexander Prenzel, Stephan Zöllner
  • Publication number: 20110274843
    Abstract: Crosslinker-accelerator system for the thermal crosslinking of polyacrylates with functional groups suitable for entering into linking reactions with cyclic ethers, more particularly epoxide groups or oxetane groups, comprising at least one substance containing epoxide or oxetane grouops (crosslinker) and at least one substance with an accelerating action for the linking reaction at a temperature below the melting temperature of the polyacrylate (accelerator).
    Type: Application
    Filed: October 16, 2009
    Publication date: November 10, 2011
    Applicant: TESA AKTIENGESELLSCHAFT
    Inventors: Norbert Grittner, Sven Hansen, Alexander Prenzel, Stephan Zöllner
  • Publication number: 20100137524
    Abstract: The invention relates to a process for preparing homogeneously crosslinked polymers, in which at least one crosslinker is added to a polymer in the melt, in which the polymer is further processed from the melt, and in which a thermal crosslinking reaction is brought about by means of the crosslinker, with at least part of the crosslinking reaction taking place after the further processing at a temperature below the melting temperature of the polymer, characterized in that the crosslinker comprises an at least difunctional compound, at least one of the functional groups being an oxazoline group, and the polymer contains functional groups which, at a temperature below the melting temperature of the polymer, are able to react with the oxazolines in a linking reaction in the sense of the thermal crosslinking reaction.
    Type: Application
    Filed: November 25, 2009
    Publication date: June 3, 2010
    Applicant: TESA SE
    Inventors: Norbert Grittner, Sven Hansen, Alexander Prenzel, Stephan Zöllner
  • Publication number: 20070184263
    Abstract: Adhesive tape having a backing material applied to at least one side of which is an adhesive, in particular a pressure-sensitive adhesive, the backing material having a support backing composed of a polymeric film or of paper, and having a binder layer disposed between support backing and a layer of adhesive, characterized in that set into the binder layer in the lengthwise direction and entirely surrounded by the binder layer are non-twisted and non-tangled individual filaments.
    Type: Application
    Filed: October 11, 2006
    Publication date: August 9, 2007
    Applicant: TESA AG
    Inventors: Ilse Rodewald, Petra Yun, Andreas Wahlers-Schmidlin, Norbert Grittner
  • Publication number: 20070184735
    Abstract: Adhesive tape having a backing which comprise integrated fibers or filaments for added strength, the cut edge of which is serrated.
    Type: Application
    Filed: March 17, 2006
    Publication date: August 9, 2007
    Applicant: tesa AG
    Inventors: Petra Yun, Ralf Schliephacke, Norbert Grittner, Michael Schwertfeger, Ulrich Otten
  • Publication number: 20070184242
    Abstract: Adhesive tape having a backing material applied to at least one side of which is an adhesive, in particular a pressure-sensitive adhesive, the backing material being composed of a laminate of at least one supporting film and one slitted film, characterized in that the slitted film has at least one slit extending in the machine direction of the adhesive tape.
    Type: Application
    Filed: November 2, 2006
    Publication date: August 9, 2007
    Applicant: TESA AG
    Inventors: Ilse Rodewald, Norbert Grittner, Petra Yun, Michael Rohl, Siegfried Krupke, Michael Schwertfeger
  • Patent number: 7252111
    Abstract: Apparatus far equilibrating differences between flow rates into and out of closed pipeline systems, which apparatus includes a tank having a supply line and a discharge unit, with a displaceable plate; the supply being fed to the tank through the displaceable plate, the discharge from the tank being through an outlet at the bottom of the tank and the plate moving upwards or downwards to automatically change the volume of the tank in accordance with differences between the supply rate and the discharge rate.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: August 7, 2007
    Assignee: tesa Aktiengesellschaft
    Inventors: Sven König, Hermann Neuhaus-Steinmetz, Ulrich Reiser, Norbert Grittner
  • Publication number: 20040241435
    Abstract: Adhesive masking tape having a preferably stretchable paper backing and an adhesive coating thereon, the paper backing produced as follows:
    Type: Application
    Filed: April 8, 2004
    Publication date: December 2, 2004
    Applicant: Tesa AG
    Inventors: Norbert Grittner, Dieter Zielske, Petra Morbel
  • Publication number: 20030175420
    Abstract: A process for producing adhesive tapes in which an adhesive tape coated with an adhesive is subjected to radiation-chemical crosslinking, especially electron beam crosslinking, irradiation taking place from the side coated with pressure-sensitive adhesive, the acceleration voltage during irradiation being chosen so that the amount of the drop in dose between the adhesive surface facing the radiation source and the surface turned away from it is greater than 40% of the level of dose irradiated on the adhesive surface facing the radiation source.
    Type: Application
    Filed: January 21, 2003
    Publication date: September 18, 2003
    Inventor: Norbert Grittner