Patents by Inventor Dirk Hasenberg
Dirk Hasenberg 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: 12729328Abstract: The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a thermally curable resin; a thermal curing initiator for the thermally curable resin; a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound.Type: GrantFiled: May 21, 2021Date of Patent: September 8, 2026Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Adrian T. Jung, Boris Ove Alexander Tasch, Elisabeth Cura, Eike H. Klünker, Peter Bissinger, Wolf Steiger, Dirk Hasenberg
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Patent number: 11879078Abstract: The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a) a cationically self-polymerizable monomer; b) a polymerization initiator of the cationically self-polymerizable monomer which is initiated at a temperature T1; c) a curable monomer which is different from the cationically self-polymerizable monomer; and d) a curing initiator of the curable monomer which is initiated at a temperature T2 and which is different from the polymerization initiator of the cationically self-polymerizable monomer. According to another aspect, the present disclosure is directed to a partially cured precursor of a structural adhesive composition. According to still another aspect, the present disclosure relates to a method of bonding to parts. In yet another aspect, the disclosure relates to the use of a curable precursor or a partially cured precursor as described above, for industrial applications, in particular for body-in-white bonding applications for the automotive industry.Type: GrantFiled: October 3, 2019Date of Patent: January 23, 2024Assignee: 3M Innovative Properties CompanyInventors: Adrian T. Jung, Boris Tasch, Dirk Hasenberg, Olaf Ludewig, Elisabeth Cura
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Publication number: 20230235204Abstract: The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a thermally curable resin; a thermal curing initiator for the thermally curable resin; a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound.Type: ApplicationFiled: May 21, 2021Publication date: July 27, 2023Inventors: Adrian T. Jung, Boris Ove Alexander Tasch, Elisabeth Cura, Eike H. Klünker, Peter Bissinger, Wolf Steiger, Dirk Hasenberg
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Patent number: 11198802Abstract: The present disclosure provides a method for bonding parts, comprising the following steps (a) Providing a two-component adhesive composition precursor, comprising a first part (A) comprising at least one epoxy curing agent and preferably at least one first dye; a second part (B) comprising at least one second dye different from the at least one first dye and at least one epoxy resin; (b) Mixing part (A) and part (B) of the two-component adhesive composition precursor so as to obtain an adhesive composition; (c) Applying the adhesive composition onto a first part; (d) Applying a second part onto the adhesive composition applied to the first part; and then performing a first curing step at a first temperature, wherein the adhesive composition undergoes a first colour change; or (e) Performing a first curing step at a first temperature, wherein the adhesive composition undergoes a first colour change, and then applying a second part onto the adhesive composition applied to the first part; (f) Perform a second cType: GrantFiled: December 18, 2019Date of Patent: December 14, 2021Assignee: 3M Innovative Properties CompanyInventors: Adrian T. Jung, Mareike Bardts, Dirk Hasenberg
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Publication number: 20210363395Abstract: The present disclosure provides a method for bonding parts, comprising the following steps (a) Providing a two-component adhesive composition precursor, comprising a first part (A) comprising at least one epoxy curing agent and preferably at least one first dye; a second part (B) comprising at least one second dye different from the at least one first dye and at least one epoxy resin; (b) Mixing part (A) and part (B) of the two-component adhesive composition precursor so as to obtain an adhesive composition; (c) Applying the adhesive composition onto a first part; (d) Applying a second part onto the adhesive composition applied to the first part; and then performing a first curing step at a first temperature, wherein the adhesive composition undergoes a first colour change; or (e) Performing a first curing step at a first temperature, wherein the adhesive composition undergoes a first colour change, and then applying a second part onto the adhesive composition applied to the first part; (f) Perform a second cType: ApplicationFiled: December 18, 2019Publication date: November 25, 2021Inventors: Adrian T. JUNG, Mareike BARDTS, Dirk HASENBERG
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Publication number: 20210340406Abstract: The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a) a cationically self-polymerizable monomer; b) a polymerization initiator of the cationically self-polymerizable monomer which is initiated at a temperature T1; c) a curable monomer which is different from the cationically self-polymerizable monomer; and d) a curing initiator of the curable monomer which is initiated at a temperature T2 and which is different from the polymerization initiator of the cationically self-polymerizable monomer. According to another aspect, the present disclosure is directed to a partially cured precursor of a structural adhesive composition. According to still another aspect, the present disclosure relates to a method of bonding to parts. In yet another aspect, the disclosure relates to the use of a curable precursor or a partially cured precursor as described above, for industrial applications, in particular for body-in-white bonding applications for the automotive industry.Type: ApplicationFiled: October 3, 2019Publication date: November 4, 2021Inventors: Adrian T. JUNG, Boris TASCH, Dirk HASENBERG, Olaf LUDEWIG, Elisabeth CURA
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Patent number: 10633495Abstract: The present disclosure relates to a pressure sensitive adhesive assembly suitable for bonding to a substrate provided with an uneven surface, wherein the pressure sensitive adhesive (PSA) assembly comprises a polymeric foam layer comprising a polymeric base material, and having a complex viscosity comprised between 2,000 Pa·s to 80,000 Pa·s, when measured at 120° C. according to the test method described in the experimental section. The present disclosure is also directed to a method of applying a pressure sensitive adhesive assembly to a substrate provided with an uneven surface, and uses thereof.Type: GrantFiled: October 31, 2019Date of Patent: April 28, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jan Heimink, Kerstin Unverhau, Andreas Backes, Adrian T. Jung, Dirk Hasenberg
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Publication number: 20200062912Abstract: The present disclosure relates to a pressure sensitive adhesive assembly suitable for bonding to a substrate provided with an uneven surface, wherein the pressure sensitive adhesive (PSA) assembly comprises a polymeric foam layer comprising a polymeric base material, and having a complex viscosity comprised between 2,000 Pa·s to 80,000 Pa·s, when measured at 120° C. according to the test method described in the experimental section. The present disclosure is also directed to a method of applying a pressure sensitive adhesive assembly to a substrate provided with an uneven surface, and uses thereof.Type: ApplicationFiled: October 31, 2019Publication date: February 27, 2020Inventors: Jan Heimink, Kerstin Unverhau, Andreas Backes, Adrian T. Jung, Dirk Hasenberg
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Patent number: 10501591Abstract: The present disclosure relates to a pressure sensitive adhesive assembly suitable for bonding to a substrate provided with an uneven surface, wherein the pressure sensitive adhesive (PSA) assembly comprises a polymeric foam layer comprising a polymeric base material, and having a complex viscosity comprised between 2,000 Pa·s to 80,000 Pa·s, when measured at 120C according to the test method described in the experimental section. The present disclosure is also directed to a method of applying a pressure sensitive adhesive assembly to a substrate provided with an uneven surface, and uses thereof.Type: GrantFiled: July 15, 2015Date of Patent: December 10, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jan Heimink, Kerstin Unverhau, Andreas Backes, Adrian T. Jung, Dirk Hasenberg
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Publication number: 20170210950Abstract: The present disclosure relates to a pressure sensitive adhesive assembly suitable for bonding to a substrate provided with an uneven surface, wherein the pressure sensitive adhesive (PSA) assembly comprises a polymeric foam layer comprising a polymeric base material, and having a complex viscosity comprised between 2,000 Pa.s to 80,000 Pa.s, when measured at 120C according to the test method described in the experimental section. The present disclosure is also directed to a method of applying a pressure sensitive adhesive assembly to a substrate provided with an uneven surface, and uses thereof.Type: ApplicationFiled: July 15, 2015Publication date: July 27, 2017Inventors: Jan Heimink, Kerstin Unverhau, Andreas Backes, Adrian T. Jung, Dirk Hasenberg
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Patent number: 8916020Abstract: The invention provides an assembly comprising at least one substrate being bonded to a structural adhesive wherein the structural adhesive is obtained by curing a precursor comprising a cross-linkable polymer, wherein a surface area of the substrate bonded to the structural adhesive comprises at least one metal, said surface area being treated with a liquid activator.Type: GrantFiled: November 26, 2008Date of Patent: December 23, 2014Assignee: 3M Innovative Properties CompanyInventors: Jan D. Forster, Dirk Hasenberg, Siegfried R. Goeb, Christopher J. Campbell
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Publication number: 20110039108Abstract: A heat-curable adhesive composition comprising an epoxy-resin, a toughening agent, a curing agent and an acetoacetoxy-functionalized compound wherein the composition can be cured to form structural adhesives of high impact strength.Type: ApplicationFiled: January 18, 2008Publication date: February 17, 2011Inventors: Siegfried R. Goeb, Dirk hasenberg, Christian Kloninger, Dirk Kolowrot, Steffen Traser
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Publication number: 20100294427Abstract: The invention provides an assembly comprising at least one substrate being bonded to a structural adhesive wherein the structural adhesive is obtained by curing a precursor comprising a cross-linkable polymer, wherein a surface area of the substrate bonded to the structural adhesive comprises at least one metal, said surface area being treated with a liquid activator.Type: ApplicationFiled: November 26, 2008Publication date: November 25, 2010Applicant: CONTINENTAL AUTOMOTIVE GMBHInventors: Jan D. Forster, Dirk Hasenberg, Siegfried R. Goeb, Christopher J. Campbell