Patents by Inventor Alexander J. Kugel
Alexander J. Kugel 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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Publication number: 20250051614Abstract: An adhesive system comprising a tape and an activator, wherein the activator includes an oxidizing agent and is a liquid at normal temperature and pressure; and wherein the tape includes a curable adhesive free-standing film adjacent to a curable foam support layer, wherein the curable adhesive free-standing film comprises: a) a film-forming polymer or oligomer; b) a species comprising unsaturated free-radically polymerizable groups, which may be a) or a species other than a); and c) a transition metal cation.Type: ApplicationFiled: December 15, 2022Publication date: February 13, 2025Inventors: Alexander J. Kugel, Nicholas W. Lang, Tzu-Yu Lai, Dean A. Miner, Matthew T. Holbrook, Scott M. Spear, Kristen L. Bellmer, Frank Kuester, Hans Peter Dette, Kerstin Unverhau, Silke Mechernich, Duane D. Fansler, Anthony F. Schultz, Jonathan E. Janoski
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Patent number: 12187929Abstract: Curable adhesive free-standing films and adhesive systems comprising such films are provided. In some embodiments, a curable adhesive free-standing film comprises a blend of: a) a first film-forming polymer or oligomer; b) a first species comprising first unsaturated free-radically polymerizable groups, which may be a) or a species other than a); c) a first transition metal cation; d) a reducing agent; and no oxidizing agent. In some embodiments, an adhesive system comprises: I) a first curable adhesive free-standing film as described preceding; and II) a second curable adhesive free-standing film comprising a blend of: e) a second film-forming polymer or oligomer; f) a second species comprising second unsaturated free-radically polymerizable groups, which may be e) or may be a species other than e); and g) an oxidizing agent. In some embodiments, the curable adhesive free-standing films may be pressure sensitive adhesives prior to cure. Methods of use are provided.Type: GrantFiled: February 8, 2019Date of Patent: January 7, 2025Assignee: 3M Innovative Properties CompanyInventors: Shantanu R. Ranade, Alexander J. Kugel, Kai U. Claussen, Rachna Khurana, Dean M. Moren, William H. Sikorski, Jr., Erik M. Townsend
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Patent number: 12163070Abstract: Curable adhesive films, primers for adhesion of curable adhesive films, and adhesive systems comprising adhesive films and primers are provided. In some embodiments, an adhesive system comprises: I) a curable adhesive free-standing film comprising a blend of: a) a first film-forming polymer or oligomer; b) a first species comprising first unsaturated free-radically polymerizable groups, which may be a) or a species other than a); and c) a first transition metal cation; and II) a primer for adhesion of a curable adhesive free-standing film to a first substrate comprising an oxidizing agent. In some embodiments, an adhesive system comprises: I) a curable adhesive free-standing film comprising an outer surface bearing embossed air bleed channels capable of aiding in escape of air during application of the outer surface to a primed substrate; and II) a primer comprising components that initiate cure of the curable adhesive free-standing film.Type: GrantFiled: February 8, 2019Date of Patent: December 10, 2024Assignee: 3M Innovative Properties CompanyInventors: Shantanu R. Ranade, Alexander J. Kugel, Kai U. Claussen, Rachna Khurana, Dean M. Moren, William H. Sikorski, Jr., Erik M. Townsend
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Patent number: 12122127Abstract: Described herein is a multilayered article (10) and methods of making and using such articles. The multilayered article (10) comprises: ?(a) a microsphere layer (11) comprising a plurality of microspheres disposed in a monolayer; ?(b) a bead bonding layer (12) comprising a first major surface and a second opposing major surface and the plurality of microspheres is partially embedded in the first major surface of the bead bonding layer, and comprises a thermoset polyurethane having a glass transition temperature of at least 35° C.; ?(c) a primer layer (14) disposed on the second major surface of the bead bonding layer wherein the primer layer comprises a copolymer of polyurea and polyurethane and wherein the primer layer is covalently attached to the bead bonding layer via urea linkages; and ?(d) an elastomeric layer (16) disposed on the primer layer opposite the bead bonding layer, wherein the elastomeric layer comprises a polyurethane thermoplastic elastomer.Type: GrantFiled: May 13, 2020Date of Patent: October 22, 2024Assignee: 3M Innovative Properties CompanyInventors: John C. Clark, John P. Baetzold, Charlie C. Ho, Alexander J. Kugel, Yongshang Lu, Chris A. Pommer, Jay M. Jennen
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Publication number: 20240343944Abstract: Curable precursor compositions for adhesives (e.g., pressure sensitive adhesives) and related articles, assemblies, and methods. The provided compositions contain a mixture comprising 50 to 100 parts by weight of a first polymerizable component, 0 to 50 parts by weight of a second polymerizable component, a transition metal complex soluble in the mixture, and an effective amount of a polymerization initiator, thereby allowing for the formation of high molecular weight polymer with essentially no gel content that can be easily processed via established hot melt techniques (i.e., a hot melt processable adhesive), even in the absence of chain transfer agents or crosslinking agents.Type: ApplicationFiled: July 27, 2022Publication date: October 17, 2024Inventors: Ryan B. Prince, Adam R. Wohl, Barbara L. Kellen, Alexander J. Kugel
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Patent number: 12098314Abstract: Curable adhesive films, primers for adhesion of curable adhesive films, and adhesive systems comprising adhesive films and primers are provided. In some embodiments, an adhesive system comprises: I) a curable adhesive free-standing film comprising a blend of: a) a first film-forming polymer or oligomer; b) a first species comprising first unsaturated free-radically polymerizable groups, which may be a) or a species other than a); and c) a first transition metal cation; and II) a primer for adhesion of a curable adhesive free-standing film to a first substrate comprising an oxidizing agent. In some embodiments, an adhesive system comprises: I) a curable adhesive free-standing film comprising an outer surface bearing embossed air bleed channels capable of aiding in escape of air during application of the outer surface to a primed substrate; and II) a primer comprising components that initiate cure of the curable adhesive free-standing film.Type: GrantFiled: February 8, 2019Date of Patent: September 24, 2024Assignee: 3M Innovative Properties CompanyInventors: Shantanu R. Ranade, Alexander J. Kugel, Kai U. Claussen, Rachna Khurana, Dean M. Moren, William H. Sikorski, Jr., Erik M. Townsend
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Patent number: 12023855Abstract: A core-sheath filament having a non-tacky sheath and a hot-melt processable adhesive core, the sheath exhibiting a melt flow index of less than 15 grams per 10 minutes, is provided. Methods of making the core-sheath filament and methods of using the core-sheath filament to print a hot-melt processable adhesive onto a primer-treated substrate surface to provide a structural bond are described.Type: GrantFiled: May 15, 2023Date of Patent: July 2, 2024Assignee: 3M Innovative Properties CompanyInventors: Alexander J. Kugel, Mark E. Napierala, Thomas Q. Chastek, Shaun M. West, Jacob D. Young, Ross E. Behling
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Publication number: 20230407136Abstract: Articles comprising, in order: a first adherend, a first primer layer, an adhesive layer, and a second adherend are provided, where the adhesive layer comprises pressure sensitive adhesive domains and structural adhesive domains. Typically, the first primer layer covers first portions of the first adherend adjacent to structural adhesive domains and does not cover second portions of the first adherend adjacent to pressure sensitive adhesive domains. Methods of making such articles are provided, which comprise applying a cure-initiating primer to first portions of the first adherend to form a first primer layer while leaving second portions of the first adherend bare of the first primer layer, and thereafter applying a curable adhesive film over the first primer layer, such that portions of the curable adhesive film are cured to form structural adhesive domains and other portions remain uncured pressure sensitive adhesive domains.Type: ApplicationFiled: March 4, 2021Publication date: December 21, 2023Inventors: Alexander J. Kugel, Matthew T. Holbrook, Nicholas W. Lang, Dean A. Miner, Scott M. Spear, Kristen L. Bellmer, Benjamin J. Bending, Vincent Jusuf, Daniel M. Peppin
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Patent number: 11752731Abstract: Articles that include at least one application layer; at least one bead bond layer (10); a layer of optical elements (20) that are partially embedded in the at least one bead bond layer (10); and at least one reflective layer (30) that is located functionally between the layer of optical elements (20) and the bead bond layer (10), wherein the at least one bead bond layer (10), the at least one application layer, or both comprise a cured product of an adhesive compositions that include polymerized units of one or more (meth)acrylate ester monomers derived from an alcohol containing 1 to 14 carbon atoms; at least one of urethane acrylate polymer or at least one acrylic copolymer; and at least one initiator.Type: GrantFiled: June 27, 2018Date of Patent: September 12, 2023Assignee: 3M Innovative Properties CompanyInventors: Ying Xia, Tien Yi T. H. Whiting, Shri Niwas, Duane D. Fansler, Carla S. Thomas, Anthony F. Schultz, Alexander J. Kugel, Corinne E. Lipscomb, Mary M. Caruso Dailey, Jonathan E. Janoski
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Publication number: 20230278281Abstract: A core-sheath filament having a non-tacky sheath and a hot-melt processable adhesive core, the sheath exhibiting a melt flow index of less than 15 grams per 10 minutes, is provided. Methods of making the core-sheath filament and methods of using the core-sheath filament to print a hot-melt processable adhesive onto a primer-treated substrate surface to provide a structural bond are described.Type: ApplicationFiled: May 15, 2023Publication date: September 7, 2023Inventors: Alexander J. Kugel, Mark E. Napierala, Thomas Q. Chastek, Shaun M. West, Jacob D. Young, Ross E. Behling
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Patent number: 11725308Abstract: A core-sheath filament including a crosslinkable adhesive core that can be cured using ultraviolet or visible light radiation. These crosslinkable adhesive core compositions can provide very high bond strength and are capable of replacing traditional mechanical fasteners in many industrial applications. Core-sheath filaments including such crosslinkable compositions, crosslinked compositions, articles containing these compositions, and methods of making the articles are provided. The crosslinkable compositions contain pendant aromatic ketone groups or pendant (meth)acryloyl groups that, upon exposure to ultraviolet radiation, result in the formation of crosslinks within the polymeric material. The crosslinked compositions can function as pressure-sensitive adhesives.Type: GrantFiled: August 12, 2020Date of Patent: August 15, 2023Assignee: 3M Innovative Properties CompanyInventors: Ross E. Behling, Thomas Q. Chastek, Mark E. Napierala, Alexander J. Kugel, Shaun M. West, Robert D. Waid, Jacob D. Young
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Patent number: 11691381Abstract: Described herein is an article comprising (i) bead film comprising a binder resin layer and a plurality of microspheres partially embedded in the binder resin layer such that a portion of the microspheres outwardly protrude a first distance from the surface of the binder resin layer; (ii) a stabilizing layer disposed on the outwardly protruding microspheres opposite the binder resin layer, wherein the stabilizing layer intimately conforms to the protruding microspheres, and wherein the stabilizing layer has a Tg less than 100 C and a storage modulus at 150° C. of at least 1.Type: GrantFiled: October 6, 2017Date of Patent: July 4, 2023Assignee: 3M innovative Properties CompanyInventors: Christopher B. Walker, Jr., Matthew R. C. Atkinson, Mary M. Caruso Dailey, John C. Clark, Vivek Krishnan, Alexander J. Kugel, Steven J. McMan, Abdullahi A. Mohamud
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Patent number: 11673317Abstract: A core-sheath filament having a non-tacky sheath and a hot-melt processable adhesive core, the sheath exhibiting a melt flow index of less than 15 grams per 10 minutes, is provided. Methods of making the core-sheath filament and methods of using the core-sheath filament to print a hot-melt processable adhesive onto a primer-treated substrate surface to provide a structural bond are described.Type: GrantFiled: August 5, 2020Date of Patent: June 13, 2023Assignee: 3M Innovative Properties CompanyInventors: Alexander J. Kugel, Shantanu R. Ranade, Mark E. Napierala, Thomas Q. Chastek, Shaun M. West, Jacob D. Young, Ross E. Behling
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Publication number: 20230151251Abstract: Adhesive articles with strippable liners are described. In particular, adhesive articles including an optional substrate having a first and second major surface, an adhesive layer provided on the first major surface of the substrate, and a strippable liner in contact with the adhesive layer including a polymer layer including polybutylene succinate and from about 0.5 and about 5 polymer weight percent of a plant-based wax are described. Liners from such articles may exhibit good release performance while being compostable.Type: ApplicationFiled: April 13, 2021Publication date: May 18, 2023Inventors: Guy M. Kallman, Ignatius A. Kadoma, Alexander J. Kugel, Jayshree Seth
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Publication number: 20230105298Abstract: Articles that include at least one application layer; at least one bead bond layer (10); a layer of optical elements (20) that are partially embedded in the at least one bead bond layer (10); and at least one reflective layer (30) that is located functionally between the layer of optical elements (20) and the bead bond layer (10), wherein the at least one bead bond layer (10), the at least one application layer, or both comprise a cured product of an adhesive compositions that include polymerized units of one or more (meth)acrylate ester monomers derived from an alcohol containing 1 to 14 carbon atoms; at least one of urethane acrylate polymer or at least one acrylic copolymer; and at least one initiator.Type: ApplicationFiled: June 27, 2018Publication date: April 6, 2023Inventors: Ying Xia, Tien Yi T. H. Whiting, Shri Niwas, Duane D. Fansler, Carla S. Thomas, Anthony F. Schultz, Alexander J. Kugel, Corinne E. Lipscomb, Mary M. Caruso Dailey, Jonathan E. Janoski
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Publication number: 20230088278Abstract: Debonding methods comprise: providing a bound article comprising, in order: a first adherend, a first primer layer, an adhesive layer, optionally a second primer layer, and a second adherend; heating the article to a release temperature; and separating the first and second adherends. At room temperature, the adhesive layer exhibits a high overlap shear of greater than 1.0 MPa (145 psi) or even greater than 5.0 MPa (725 psi), however, at release temperature, the adhesive layer exhibits an overlap shear of no more than 0.34 MPa (50 psi) or even no more than 0.21 MPa (30 psi). The release temperature may be a temperature between 100° C. and 150° C. The adhesive layer may comprise: a first film-forming polymer or oligomer; a cured polymer comprising a polymer of a first species comprising first unsaturated free-radically polymerizable groups; a first transition metal cation; and optionally a quaternary ammonium salt.Type: ApplicationFiled: March 3, 2021Publication date: March 23, 2023Inventors: Alexander J. Kugel, Dean A. Miner, Matthew T. Holbrook, Nicholas W. Lang, Kristen L. Bellmer, Scott M. Spear
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Patent number: 11577458Abstract: An additive layer manufacturing method, preferably using selective laser sintering, for manufacturing a solid article, the method including applying a layer of a powder, the powder including at least one powdered (co)polymer, onto a solid substrate in a processing chamber; fusing the powder layer onto the solid substrate; subsequently depositing successive layers of the powder, wherein each successive layer is selectively fused prior to deposition of the subsequent layer of powder so as to form the article. In some embodiments, the powder further includes abrasive particles having a hardness greater than or equal to that of aluminum oxide.Type: GrantFiled: June 27, 2019Date of Patent: February 14, 2023Assignee: 3M Innovative Properties CompanyInventors: Jean-Luc Rifaut, Jens Eichler, Tilo Remhof, Brian D. Goers, Brian A. Shukla, Alexander J. Kugel, Maiken Givot, Michael C. Harper
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Publication number: 20220290335Abstract: A core-sheath filament including a crosslinkable adhesive core that can be cured using ultraviolet or visible light radiation. These crosslinkable adhesive core compositions can provide very high bond strength and are capable of replacing traditional mechanical fasteners in many industrial applications. Core-sheath filaments including such crosslinkable compositions, crosslinked compositions, articles containing these compositions, and methods of making the articles are provided. The crosslinkable compositions contain pendant aromatic ketone groups or pendant (meth)acryloyl groups that, upon exposure to ultraviolet radiation, result in the formation of crosslinks within the polymeric material. The crosslinked compositions can function as pressure-sensitive adhesives.Type: ApplicationFiled: August 12, 2020Publication date: September 15, 2022Inventors: Ross E. Behling, Thomas Q. Chastek, Mark E. Napierala, Alexander J. Kugel, Shaun M. West, Robert D. Waid, Jacob D. Young
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Publication number: 20220281159Abstract: A core-sheath filament having a non-tacky sheath and a hot-melt processable adhesive core, the sheath exhibiting a melt flow index of less than 15 grams per 10 minutes, is provided. Methods of making the core-sheath filament and methods of using the core-sheath filament to print a hot-melt processable adhesive onto a primer-treated substrate surface to provide a structural bond are described.Type: ApplicationFiled: August 5, 2020Publication date: September 8, 2022Inventors: Alexander J. Kugel, Shantanu R. Ranade, Mark E. Napierala, Thomas Q. Chastek, Shaun M. West, Jacob D. Young, Ross E. Behling
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Publication number: 20220259465Abstract: A core-sheath filament having a) a core that is a thermally conductive pressure-sensitive adhesive particles and b) a non-tacky, thermoplastic sheath is provided. The thermally conductive pressure-sensitive adhesive in the core includes a (meth)acrylate-based polymeric material and thermally conductive particles. Additionally, methods of making the core-sheath filament and methods of using the core-sheath filament to print a thermally conductive pressure-sensitive adhesive are described.Type: ApplicationFiled: August 6, 2020Publication date: August 18, 2022Inventors: Alexander J. Kugel, Mario A. Perez, Sebastian Goris, Matthew H. Frey, Ross E. Behling, Mark E. Napierala, Thomas Q. Chastek, Jacob D. Young, Shaun M. West, Tomoaki Uchiya