Patents by Inventor Jochen Stahr

Jochen Stahr 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: 8821991
    Abstract: A process for preparing titanium carbide using a pigment formulation having at least one titanium compound and a carbon compound and/or elemental carbon, the pigment formulation reacting under laser irradiation to form TiC.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: September 2, 2014
    Assignee: tesa SE
    Inventors: Arne Koops, Sven Reiter, Jochen Stähr
  • Patent number: 7939164
    Abstract: Pigment layer intended particularly for the permanent marking of glass, based on a polymer matrix which reacts predominantly with pulverization to a high-energy beam, more particularly to laser irradiation, comprising at least one titanium donor and a carbon donor which provides free carbon under energy irradiation.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: May 10, 2011
    Assignee: tesa SE
    Inventors: Arne Koops, Sven Reiter, Jochen Stähr
  • Publication number: 20090181313
    Abstract: A pigment layer intended more particularly for the permanent marking of glass, based on a polymer matrix which reacts predominantly with pulverization to a high-energy beam, more particularly to laser irradiation, and comprising at least one titanium compound and free carbon.
    Type: Application
    Filed: January 14, 2008
    Publication date: July 16, 2009
    Applicant: TESA AG
    Inventors: ARNE KOOPS, SVEN REITER, JOCHEN STAHR
  • Publication number: 20090181231
    Abstract: Pigment layer intended particularly for the permanent marking of glass, based on a polymer matrix which reacts predominantly with pulverization to a high-energy beam, more particularly to laser irradiation, comprising at least one titanium donor and a carbon donor which provides free carbon under energy irradiation.
    Type: Application
    Filed: January 8, 2009
    Publication date: July 16, 2009
    Applicant: tesa AG
    Inventors: Arne Koops, Sven Reiter, Jochen Stahr
  • Publication number: 20090181188
    Abstract: A process for preparing titanium carbide using a pigment formulation having at least one titanium compound and a carbon compound and/or elemental carbon, the pigment formulation reacting under laser irradiation to form TiC.
    Type: Application
    Filed: January 8, 2009
    Publication date: July 16, 2009
    Applicant: tesa AG
    Inventors: Arne KOOPS, Sven REITER, Jochen STAHR
  • Patent number: 7226967
    Abstract: Hot-melt pressure-sensitive adhesive based one or more non-thermoplastic elastomers, at least comprising 100 parts by mass of the non-thermoplastic elastomer(s), from 1 to 200 parts by mass of one or more tackifying resins, from 1 to 100 parts by mass of one or more reactive phenolic resins whose methylol content is from 1 to 20% by weight, based on the reactive phenolic resin, from 1 to 100 parts by mass of accelerator substances.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: June 5, 2007
    Assignee: tesa AG
    Inventors: Axel Burmeister, Sven Hansen, Heiko Leydecker, Christian Kreft, Jochen Stahr
  • Publication number: 20050004287
    Abstract: Hot-melt pressure-sensitive adhesive based one or more non-thermoplastic elastomers, at least comprising 100 parts by mass of the non-thermoplastic elastomer(s), from 1 to 200 parts by mass of one or more tackifying resins, from 1 to 100 parts by mass of one or more reactive phenolic resins whose methylol content is from 1 to 20% by weight, based on the reactive phenolic resin, from 1 to 100 parts by mass of accelerator substances.
    Type: Application
    Filed: July 29, 2004
    Publication date: January 6, 2005
    Applicant: Bayer AG
    Inventors: Axel Burmeister, Sven Hansen, Heiko Leydecker, Christian Kreft, Jochen Stahr
  • Patent number: 6822029
    Abstract: Hot-melt pressure-sensitive adhesive based one or more non-thermoplastic elastomers, at least comprising 100 parts by mass of the non-thermoplastic elastomer(s), from 1 to 200 parts by mass of one or more tackifying resins, from 1 to 100 parts by mass of one or more reactive phenolic resins whose methylol content is from 1 to 20% by weight, based on the reactive phenolic resin, from 1 to 100 parts by mass of accelerator substances.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: November 23, 2004
    Assignee: tesa AG
    Inventors: Axel Burmeister, Sven Hansen, Heiko Leydecker, Christian Kreft, Jochen Stähr
  • Patent number: 6822048
    Abstract: Hot-melt pressure-sensitive adhesive based one or more non-thermoplastic elastomers, at least comprising 100 parts by mass of the non-thermoplastic elastomer(s), from 1 to 200 parts by mass of one or more tackifying resins, and also one or more polyfunctional isocyanates which are free from blocking agent, the hot-melt pressure-sensitive adhesive comprising from 8 mmol to 5 mol of the reactive isocyanate groups of the isocyanate per kilogram of the non-thermoplastic elastomer(s) used.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: November 23, 2004
    Assignee: tesa Aktiengesellschaft
    Inventors: Axel Burmeister, Sven Hansen, Heiko Leydecker, Christian Kreft, Jochen Stähr
  • Patent number: 6780271
    Abstract: Process for the continuous solvent-free and mastication-free production of self-adhesive compositions based on non-thermoplastic elastomers in a continuously operating apparatus having a filling section and a compounding section, comprising a) feeding the solid components of the self-adhesive composition, such as elastomers and resins, into the filling section of the apparatus, optionally feeding of fillers, colorants and/or crosslinkers, b) transferring the solid components of the self-adhesive composition from the filling section to the compounding section, c) adding the liquid components of the self-adhesive composition, such as plasticizers, crosslinkers and/or further tackifier resins to the compounding section, d) preparing a homogeneous self-adhesive composition in the compounding section, and e) discharging the self-adhesive composition.
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: August 24, 2004
    Assignee: tesa AG
    Inventors: Axel Burmeister, Sven Hansen, Frank Henke, Ralf Hirsch, Heiko Leydecker, Klaus Massow, Jochen Stähr
  • Patent number: 6777490
    Abstract: Process for preparing a pressure-sensitive adhesive composition, characterized in that tackifiers in dispersed, melted or solid form are mixed with natural rubber latex, the water content being not more than 45% by weight.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: August 17, 2004
    Assignee: tesa AG
    Inventors: Bernhard Müssig, Zygmut Kozaczka, Dieter Zielske, Jochen Stähr, Ralf Hirsch
  • Patent number: 6723259
    Abstract: Process for producing an anticounterfeit label having a holographic image, and labels produced according to the process.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: April 20, 2004
    Assignee: tesa AG
    Inventors: Detlef Groth, Arne Koops, Axel Burmeister, Jochen Stähr
  • Patent number: 6689248
    Abstract: Process for producing an elastomer substrate web, comprising the following process steps: a) feeding in a polymer mixture, in particular into a mixer, b) conveying the ready-prepared polymer mixture to a calender, comprising at least two rollers, c) forming the polymer mixture out in the calender into a web, d) applying an auxiliary substrate in web form by means of a pressure-exerting roller, which is in contact with the last forming calender roller, for receiving the web, and e) if appropriate, cooling, crosslinking and/or winding up the web located on the auxiliary substrate.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: February 10, 2004
    Inventors: Jochen Stähr, Axel Burmeister, Hermann Neuhaus-Steinmetz, Uwe Schümann
  • Publication number: 20030207992
    Abstract: Process for preparing a pressure-sensitive adhesive composition, characterized in that tackifiers in dispersed, melted or solid form are mixed with natural rubber latex, the water content being not more than 45% by weight.
    Type: Application
    Filed: May 26, 1999
    Publication date: November 6, 2003
    Inventors: BERNHARD MUSSIG, ZYGMUT KOZACZKA, DIETER ZIELSKE, JOCHEN STAHR, RALF HIRSCH
  • Publication number: 20030138624
    Abstract: Pressure-sensitive self-adhesive tape, characterized in that the self-adhesive tape has a backing layer which
    Type: Application
    Filed: January 18, 2000
    Publication date: July 24, 2003
    Inventors: AXEL BURMEISTER, CHRISTIAN HARDER, CHRISTOPH NAGEL, WOLFGANG SCHACHT, JOCHEN STAHR
  • Patent number: 6150017
    Abstract: Pressure-sensitive hotmelt adhesive composition based on non-thermoplastic elastomers, obtained bya) preparing, as the preliminary batch, a composition comprising the elastomers and one or more of the following additives such as fillers, anti-ageing agents, plasticizers and tackifier resins in an intensively shearing, intensively cooling mixer and without solvent, the composition having a final temperature of from 100.degree. C. to 160.degree. C.,b) mixing and homogenizing the preliminary batch in a second mixer with one or more of the following additives such as fillers, anti-ageing agents, plasticizers and tackifier resins, without solvent, the composition having a final temperature of from 100.degree. C. to 160.degree. C.,where the total residence time of the composition at temperatures over 100.degree. C. does not exceed a figure of 6 minutes, so that the resulting hotmelt adhesive composition has a viscosity of more than 900 Pa*s, in particular from 900 Pa*s to 1200 Pa*s, at 130.degree. C.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: November 21, 2000
    Assignee: Beiersdorf AG
    Inventors: Axel Burmeister, Heiko Leydecker, Jochen Stahr
  • Patent number: 6117531
    Abstract: Pressure-sensitive double-sided self-adhesive tape for permanent irreversible bonds, characterized in that the self-adhesive tape has a backing film based on rubbers having double bonds in the main chain, the rubbers being crosslinked such that they exhibit elastomeric behaviour, and a pressure-sensitive self-adhesive composition, based on an acrylate, which is coated on both sides of the backing film.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: September 12, 2000
    Assignee: Beiersdorf AG
    Inventors: Wolfgang Schacht, Robert Gereke, Frank Henke, Jochen Stahr