Patents by Inventor Joerg Buechner
Joerg Buechner 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).
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Patent number: 8911851Abstract: A document (2) containing: electronic components (14) and/or diffractive security elements; at least one protective layer (4, 5) being arranged on one side or two protective layers (4, 5) being arranged on both sides of the electronic components (14) and/or of the diffractive security element, said protective layers being formed of a first base polymer, polymer layers (8, 9, 12, 13), being formed of a second base polymer being different from the first base polymer, into which the electronic components (14) and/or the diffractive security element with the protective layers (4, 5) are laminated; and adhesive layers with a latent-reactive adhesive (10, 11) being arranged at least between the polymer layers (8, 9, 12, 13) and the protective layers (4, 5), and wherein the core layer or protective layers are formed of a thermoplastic elastomer.Type: GrantFiled: July 20, 2009Date of Patent: December 16, 2014Assignee: Bayer MaterialScience AGInventors: Reinhard Löwe, Per Krüger, Michael Knebel, Jens Ehreke, Heinz Pudleiner, Mehmet-Cengiz Yesildag, Klaus Meyer, Dirk Pophusen, Jörg Büchner
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Patent number: 8846198Abstract: The present invention relates to aqueous compositions based on crystalline or semicrystalline polyurethane polymers, processes for the preparation thereof and adhesive systems comprising these aqueous compositions and the use thereof.Type: GrantFiled: October 25, 2010Date of Patent: September 30, 2014Assignee: Bayer MaterialScience AGInventors: Jörg Büchner, Dirk Achten, Harald Kraus, Wolfgang Arndt
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Patent number: 8779650Abstract: The present invention relates to a method for producing an electromechanical, for example piezoelectric, transducer in which a first polymer layer comprising cutouts is applied to a first continuous polymer layer by means of a printing and/or coating method, a cover is applied to the first polymer layer comprising cutouts in such a way that the cutouts of the first polymer layer comprising cutouts are closed off with the formation of cavities, and the cover is connected to the first polymer layer comprising cutouts. The invention also relates to electromechanical transducers produced by the method according to the invention, and the use of said electromechanical transducers.Type: GrantFiled: April 10, 2010Date of Patent: July 15, 2014Assignee: Bayer MaterialScience AGInventors: Werner Jenninger, Joachim Wagner, Wolfgang Fischer, Jörg Büchner, Thomas Bernert, Andreas Nübler
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Publication number: 20130236719Abstract: The present invention relates to a process for overlaying a base substance with a multilayer decorative film in a vacuum forming, a multilayer decorative film for a secondary decoration used in such a vacuum forming process, to a multilayer decorative film excellent in adhesiveness, workability, and secondary physical properties such as heat resistance and hydrolysis resistance after forming and the use of such multilayer decorative film in a vacuum forming process.Type: ApplicationFiled: November 15, 2011Publication date: September 12, 2013Inventors: Takahiko Ohwada, Jörg Büchner, Holger Mundstock
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Publication number: 20130220543Abstract: Method for the production of adhesive-coated articles, articles obtainable thereby and their use A method for the production of adhesive-coated articles comprises the steps of: (I) providing a substrate; (II) applying a first polyurethane and/or polyurethane-polyurea polymer onto the substrate, the first polyurethane and/or polyurethane-polyurea polymer being capable of attaining an at least partially crystalline state with a final degree of crystallinity and wherein during and/or after the application the first polyurethane and/or polyurethane-polyurea polymer is present in a non-crystalline state.Type: ApplicationFiled: September 14, 2011Publication date: August 29, 2013Applicant: Bayer Intellectual Property GmbHInventors: Jörg Büchner, Harald Kraus, Pantea Nazaran, Matthias Wintermantel
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Publication number: 20130143010Abstract: The invention relates to an aqueous adhesive composition containing at least one acrylate polymer with a glass transition temperature Tg>50° C. and at least one amorphous polyurethane or polyurethane-polyurea polymer with a glass transition temperature Tg<+10° C., the use of the adhesive compositions for the manufacture of heat-activated adhesive layers, and planar formations containing adhesive layers based on the adhesive composition.Type: ApplicationFiled: June 3, 2011Publication date: June 6, 2013Applicant: Bayer Intellectual Property GmbH Creative Campus MonheimInventors: Jörg Büchner, Harald Kraus, Pantea Nazaran, Dirk Dijkstra
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Publication number: 20130143458Abstract: The present invention relates to aqueous dispersions containing hydrophilized polycarbodiimides, methods for producing the aqueous dispersions according to the invention, their use as a constituent of binders in adhesives, lacquers, paints, paper coating compounds or in fibre nonwovens and articles made of wood, metal, textile, leather or plastic, which are treated with the aqueous dispersion according to the invention.Type: ApplicationFiled: March 28, 2011Publication date: June 6, 2013Inventors: Evgeny Avtomonov, Harald Kraus, Sebastian Dörr, Dirk Achten, Jörg Büchner
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Publication number: 20120225302Abstract: The present invention relates to aqueous compositions based on crystalline or semicrystalline polyurethane polymers, processes for the preparation thereof and adhesive systems comprising these aqueous compositions and the use thereof.Type: ApplicationFiled: October 25, 2010Publication date: September 6, 2012Applicant: Bayer Intellectual Property GmbHInventors: Jörg Büchner, Dirk Achten, Harald Kraus, Wolfgang Arndt
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Publication number: 20120068572Abstract: The present invention relates to a method for producing an electromechanical, for example piezoelectric, transducer in which a first polymer layer comprising cutouts is applied to a first continuous polymer layer by means of a printing and/or coating method, a cover is applied to the first polymer layer comprising cutouts in such a way that the cutouts of the first polymer layer comprising cutouts are closed off with the formation of cavities, and the cover is connected to the first polymer layer comprising cutouts. The invention also relates to electromechanical transducers produced by the method according to the invention, and the use of said electromechanical transducers.Type: ApplicationFiled: April 10, 2010Publication date: March 22, 2012Applicant: Bayer MaterialScience AGInventors: Werner Jenninger, Joachim Wagner, Wolfgang Fischer, Jörg Büchner, Thomas Bernert, Andreas Nübler
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Publication number: 20110274883Abstract: The invention relates to a security and/or valuable document (2) comprising electronic components (4) and/or diffractive security elements, comprising at least one protective layer (4, 5) being arranged on one side or two protective layers (4, 5) being arranged on both sides of the electronic components (4) and/or of the diffractive security element, said protective layers (4, 5) being formed of a first base polymer, comprising polymer layers (8, 9, 12, 13) being formed of a second base polymer being different from the first base polymer, into said polymer layers (8, 9, 12, 13) the electronic components (4) and/or the diffractive security element with the protective layers (4, 5) being laminated, adhesive layers (10, 11) with a latent-reactive adhesive being arranged at least between the polymer layers (8, 9, 12, 13) and the protective layers (6, 7).Type: ApplicationFiled: July 20, 2009Publication date: November 10, 2011Applicant: Bayer MaterialScience AGInventors: Reinhard Löwe, Per Krüger, Michael Knebel, Jens Ehreke, Heinz Pudleiner, Mehmet-Cengiz Yesildag, Klaus Meyer, Dirk Pophusen, Jörg Büchner
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Publication number: 20110244228Abstract: The present invention relates to an aqueous polyurethane or polyurethane-urea dispersion comprising a polyurethane or a polyurethane polyurea dispersed therein, wherein the polyurethane or polyurethane polyurea comprises terminal carboxyl groups and lateral sulfonate and/or carboxylate groups.Type: ApplicationFiled: October 31, 2009Publication date: October 6, 2011Applicant: Bayer MaterialScience AGInventors: Harald Blum, Jörg Büchner, Wolfgang Henning
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Publication number: 20100056702Abstract: Powder mixtures for powder coatings comprising: (A) a non-blocked, micronized, cycloaliphatic diisocyanate-derived polyisocyanate which is solid below 40° C. and liquid above 120° C. and has an average particle size d50 of below 10 ?m; (B) a pulverulent binder component having an average particle size d50 of below 100 ?m, comprising 25 to 75 wt. % of at least one amorphous polyol (B1) and 75 to 25 wt. % of at least one crystalline or semicrystalline polyol (B2); and, (C) optionally, one or more powder coating auxiliary substances and additives; processes for preparing such mixtures; powder coating obtained therefrom and substrates coated therewith.Type: ApplicationFiled: August 25, 2009Publication date: March 4, 2010Applicant: Bayer MaterialScience AGInventors: Michael Grahl, Hans-Josef Laas, Jörg Büchner
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Publication number: 20090123757Abstract: The present invention relates to an identification document having layer A), B) and C), wherein A) is a thermoplastic, B) is a layer produced from a stable, latent-reactive adhesive, and C) is a thermoplastic.Type: ApplicationFiled: November 12, 2008Publication date: May 14, 2009Applicant: Bayer MaterialScience AGInventors: Heinz Pudleiner, Joerg Buechner, Mehmet-Cengiz Yesildag, Klaus Meyer, Harald Kraus
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Patent number: 7498380Abstract: Preparations of surface-deactivated solid isocyanates which are dispersed in finely particulate manner, with aqueous isocyanate-reactive polymer dispersions that include a) dispersed polymers having isocyanate-reactive groups, b) dispersed surface-deactivated oligomeric solid polyisocyanates, and c) at least one catalyst, where the catalyst or the totality of catalysts accelerates the reaction of the monomeric polyisocyanates which form by the thermal cleavage of the oligomeric polyisocyanates more strongly than the thermal cleavage itself. The preparations are prepared by mixing aqueous dispersions of at least one isocyanate-reactive polymer with at least one dispersed surface-deactivated oligomreric solid polyisocyanate and at least one catalyst. The preparations can be used in binders, films and powders for bonded joints, or coatings and to make a latently cross-linking adhesive layer. Substrates can be coated with layers obtainable with the above-described preparations.Type: GrantFiled: May 25, 2005Date of Patent: March 3, 2009Assignee: Bayer MaterialScience AGInventors: Otto Ganster, Jörg Büchner, Heinz-Werner Lucas, Wolfgang Henning
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Patent number: 6506280Abstract: The present invention relates to an aqueous dispersion containing an isocyanate-reactive polymer and a polyisocyanate, wherein the polyisocyanate has a melting or softening point of >30° C. and is in the form of a finely divided powder having a mean particle diameter of less than 100 &mgr;m. The present invention also relates to an adhesive composition containing this dispersion and to a process for bonding substrates with this composition.Type: GrantFiled: March 9, 2001Date of Patent: January 14, 2003Assignee: Bayer AktiengesellschaftInventors: Otto Ganster, Ralf Werner, Jörg Büchner, Wolfgang Henning
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Patent number: 6191216Abstract: The invention relates to improved hydrophilic, polyurethane gel substances and foams, the use of polyurethane gel substances for pressure-distributing, in particular self-adhesive polyurethane-(foam) gels, and the use of said polyurethane gel substances for moulded structures and adhesive coatings.Type: GrantFiled: November 3, 1998Date of Patent: February 20, 2001Assignee: Bayer A.G.Inventors: Otto Ganster, Jörg Büchner, Jochen Werner Kenndoff, Günther Sachau