Patents by Inventor Edward T. Samulski
Edward T. Samulski 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: 11001013Abstract: A pre-preg product, such as a tape or sheet suitable for forming a composite having reinforcement fibers and a liquid crystal thermoset (LCT) precursor is provided. Further aspects of the invention are directed to a method for preparation of the pre-preg product and to composite products based on the pre-preg product.Type: GrantFiled: January 20, 2017Date of Patent: May 11, 2021Assignee: ALLOTROPICA TECHNOLOGIES INC.Inventors: Edward T. Samulski, Theodorus Jacobus Dingemans
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Publication number: 20210107213Abstract: A method of forming a three-dimensional object, comprising: providing a carrier and an optically transparent member having a build surface, said carrier and said build surface defining a build region therebetween; filling said build region with a polymerizable liquid, continuously or intermittently irradiating said build region with light through said optically transparent member to form a solid polymer from said polymerizable liquid, continuously or intermittently advancing (e.g., sequentially or concurrently with said irradiating step) said carrier away from said build surface to form said three-dimensional object from said solid polymer, said optically transparent member comprising a flexible layer having upper and lower opposing sides, wherein the flexible layer upper side defines the build region, the method further comprising forming a region of reduced pressure adjacent the flexible layer lower side.Type: ApplicationFiled: October 30, 2020Publication date: April 15, 2021Inventors: John Tumbleston, Edward T. Samulski, Robert K. Pinschmidt, Jr.
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Publication number: 20210069965Abstract: A method of forming a three-dimensional object, is carried out by (a) providing a carrier and a build plate, the build plate comprising a semipermeable member, the semipermeable member comprising a build surface with the build surface and the carrier defining a build region therebetween, and with the build surface in fluid communication by way of the semipermeable member with a source of polymerization inhibitor; (b) filling the build region with a polymerizable liquid, the polymerizable liquid contacting the build surface, (c) irradiating the build region through the build plate to produce a solid polymerized region in the build region, while forming or maintaining a liquid film release layer comprised of the polymerizable liquid formed between the solid polymerized region and the build surface, wherein the polymerization of which liquid film is inhibited by the polymerization inhibitor; and (d) advancing the carrier with the polymerized region adhered thereto away from the build surface on the build plate tType: ApplicationFiled: March 19, 2020Publication date: March 11, 2021Inventors: Joseph M. DeSimone, Alexander Ermoshkin, Edward T. Samulski
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Publication number: 20210059940Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: ApplicationFiled: November 11, 2020Publication date: March 4, 2021Inventors: JOSEPH M. DESIMONE, JASON P. ROLLAND, BENJAMIN W. MAYNOR, LARKEN E. EULISS, GINGER DENISON ROTHROCK, ANSLEY E. DENNIS, EDWARD T. SAMULSKI, R. JUDE SAMULSKI
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Publication number: 20200398480Abstract: A method of making a three-dimensional object includes: (a) providing an apparatus comprising a radiation source, a carrier, and a movable belt positioned therebetween, with the belt comprised of an optically transparent material, and with the belt permeable to a polymerization inhibitor; (b) applying a polymerizable liquid to a first surface of the belt, and contacting a second surface of the belt to the polymerization inhibitor, (c) contacting a portion of the first surface to the carrier or the three dimensional object so that the belt adheres thereto with the polymerizable liquid positioned therebetween; (d) irradiating the polymerizable liquid with actinic radiation through the belt from the radiation source to polymerize the polymerizable liquid positioned therebetween; then (e) optionally separating the belt from the carrier or the three dimensional object; and then (f) repeating steps (b) through (e) until the three dimensional object is completed.Type: ApplicationFiled: September 3, 2020Publication date: December 24, 2020Inventors: Alexander Ermoshkin, Nikita Ermoshkin, Robert K. Pinschmidt, JR., Zachary Polizzi, Soren Rademacher, David Shirvanyants, Edward T. Samulski
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Patent number: 10842748Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: GrantFiled: November 20, 2019Date of Patent: November 24, 2020Assignee: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: Joseph M. DeSimone, Jason P. Rolland, Benjamin W. Maynor, Larken E. Euliss, Ginger Denison Rothrock, Ansley E. Dennis, Edward T. Samulski, R. Jude Samulski
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Patent number: 10843402Abstract: A method of forming a three-dimensional object, comprising: providing a carrier (18, 418) and an optically transparent member having a build surface, said carrier (18, 418) and said build surface defining a build region therebetween; filling said build region with a polymerizable liquid, continuously or intermittently irradiating said build region with light through said optically transparent member to form a solid polymer from said polymerizable liquid, continuously or intermittently advancing (e.g., sequentially or concurrently with said irradiating step) said carrier (18, 418) away from said build surface to form said three-dimensional object from said solid polymer, said optically transparent member comprising a flexible layer (414, 514, 614) having upper and lower opposing sides, wherein the flexible layer (414, 514, 614) upper side defines the build region, the method further comprising forming a region of reduced pressure adjacent the flexible layer (414, 514, 614) lower side.Type: GrantFiled: March 11, 2016Date of Patent: November 24, 2020Assignee: Carbon, Inc.Inventors: John Tumbleston, Edward T. Samulski, Robert K. Pinschmidt, Jr.
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Patent number: 10792868Abstract: A method of making a three-dimensional object is carried out by: (a) providing an apparatus comprising a radiation source, a carrier on which the three dimensional object is made, and a movable belt positioned therebetween, the belt having a first surface and an opposite second surface, with the belt comprised of an optically transparent material, and with the belt permeable to a polymerization inhibitor; (b) applying a polymerizable liquid to the first surface of the belt, and contacting the second surface of the belt to the polymerization inhibitor, (c) contacting a portion of the belt first surface having the polymerizable liquid thereon to the carrier or the three dimensional object so that the belt adheres thereto with the polymerizable liquid positioned therebetween; (d) irradiating the polymerizable liquid with actinic radiation through the belt from the radiation source to polymerize the polymerizable liquid positioned therebetween; then (e) optionally separating the belt from the carrier or the threeType: GrantFiled: September 2, 2016Date of Patent: October 6, 2020Assignee: Carbon, Inc.Inventors: Alexander Ermoshkin, Nikita Ermoshkin, Robert K. Pinschmidt, Jr., Zachary Polizzi, Soren Rademacher, David Shirvanyants, Edward T. Samulski
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Patent number: 10792856Abstract: A build plate unit (400) for a three-dimensional printer includes a build plate (410) having an optically transparent member comprising a flexible, gas permeable, optically transparent sheet (414) having upper and lower opposing sides, wherein the flexible sheet upper side defines the build surface; and a flexible, gas permeable or impermeable, optically transparent base layer (412) on the lower side of the flexible sheet opposite the build region, wherein the build plate is configured to permit gas flow to the build surface.Type: GrantFiled: March 11, 2016Date of Patent: October 6, 2020Assignee: Carbon, Inc.Inventors: John Tumbleston, Edward T. Samulski, Robert K. Pinschmidt, Jr.
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Patent number: 10710305Abstract: The present invention relates to methods and an apparatus for the fabrication of solid three-dimensional objects from liquid polymerizable materials.Type: GrantFiled: May 7, 2018Date of Patent: July 14, 2020Assignee: Carbon, Inc.Inventors: Joseph M. DeSimone, Alexander Ermoshkin, Edward T. Samulski
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Publication number: 20200139617Abstract: A method of forming a three-dimensional object, comprises providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; filling the build region with a polymerizable liquid; irradiating the build region through the optically transparent member to form a solid polymer from the polymerizable liquid while concurrently advancing the carrier away from the build surface to form the three-dimensional object from the solid polymer, while also concurrently: (i) continuously maintaining a dead zone of polymerizable liquid in contact with the build surface, and (ii) continuously maintaining a gradient of polymerization zone between the dead zone and the solid polymer and in contact with each thereof, the gradient of polymerization zone comprising the polymerizable liquid in partially cured form. Apparatus for carrying out the method is also described.Type: ApplicationFiled: November 29, 2018Publication date: May 7, 2020Inventors: Joseph M. DeSimone, Alexander Ermoshkin, Nikita Ermoshkin, Edward T. Samulski
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Patent number: 10618215Abstract: A method of forming a three-dimensional object, is carried out by (a) providing a carrier and a build plate, the build plate comprising a semipermeable member, the semipermeable member comprising a build surface with the build surface and the carrier defining a build region therebetween, and with the build surface in fluid communication by way of the semipermeable member with a source of polymerization inhibitor; (b) filling the build region with a polymerizable liquid, the polymerizable liquid contacting the build surface; (c) irradiating the build region through the build plate to produce a solid polymerized region in the build region, while forming or maintaining a liquid film release layer comprised of the polymerizable liquid formed between the solid polymerized region and the build surface, the polymerization of which liquid film is inhibited by the polymerization inhibitor; and (d) advancing the carrier with the polymerized region adhered thereto away from the build surface on the build plate to createType: GrantFiled: November 29, 2018Date of Patent: April 14, 2020Assignee: Carbon, Inc.Inventors: Joseph M. DeSimone, Alexander Ermoshkin, Nikita Ermoshkin, Edward T. Samulski
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Patent number: 10611080Abstract: A method includes: providing a three-dimensional printer including a build surface and a carrier that is movable away from and toward the build surface; advancing the carrier toward the build surface and contacting a lower surface of the carrier with the build surface or a fixture or frame member adjacent the build surface to align the carrier in an aligned position with the lower surface of the carrier parallel to the build surface; and locking the carrier in a locked state to maintain the carrier in the aligned position.Type: GrantFiled: November 30, 2016Date of Patent: April 7, 2020Assignee: Carbon, Inc.Inventors: Gregory W. Dachs, II, Derek Bruce Young, David Moore, Edward T. Samulski
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Patent number: 10596755Abstract: A method of forming a three-dimensional object, is carried out by (a) providing a carrier and a build plate, the build plate comprising a semipermeable member, the semipermeable member comprising a build surface with the build surface and the carrier defining a build region therebetween, and with the build surface in fluid communication by way of the semipermeable member with a source of polymerization inhibitor; (b) filling the build region with a polymerizable liquid, the polymerizable liquid contacting the build surface, (c) irradiating the build region through the build plate to produce a solid polymerized region in the build region, while forming or maintaining a liquid film release layer comprised of the polymerizable liquid formed between the solid polymerized region and the build surface, wherein the polymerization of which liquid film is inhibited by the polymerization inhibitor; and (d) advancing the carrier with the polymerized region adhered thereto away from the build surface on the build plate tType: GrantFiled: August 20, 2018Date of Patent: March 24, 2020Assignee: Carbon, Inc.Inventors: Joseph M. DeSimone, Alexander Ermoshkin, Edward T. Samulski
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Patent number: 10589512Abstract: Methods and apparatus for additive manufacturing of three-dimensional objects from polymerizable liquids are described. The methods and apparatus are implemented in the form of a bottom up additive manufacturing apparatus, and in preferred embodiments are implemented in the form of Continuous Liquid Interface Production (or “CLIP”) methods and apparatus. Rotation of at least one of the carrier and the build plate is preferably included, for example to facilitate the filling of the build region with the polymerizable liquid.Type: GrantFiled: July 7, 2015Date of Patent: March 17, 2020Assignee: Carbon, Inc.Inventors: Joseph M. DeSimone, Edward T. Samulski, Jason P. Rolland
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Publication number: 20200078301Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: ApplicationFiled: November 20, 2019Publication date: March 12, 2020Inventors: JOSEPH M. DESIMONE, Jason P. Rolland, Benjamin W. Maynor, Larken E. Euliss, Ginger Denison Rothrock, Ansley E. Dennis, Edward T. Samulski, R. Jude Samulski
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Patent number: 10538030Abstract: A method of forming a three-dimensional object useful as a casting mold is carried out by providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; filling the build region with a liquid photocurable ceramic resin; irradiating the build region through the optically transparent member to form a solid polymer from the polymerizable liquid and advancing the carrier away from the build surface to form the three-dimensional object from the solid polymer, while also concurrently with the irradiating and/or advancing steps: (i) continuously maintaining a dead zone of polymerizable liquid in contact with the build surface, and (ii) continuously maintaining a gradient of polymerization zone between the dead zone and the solid polymer and in contact with each thereof. The gradient of polymerization zone comprises the polymerizable liquid in partially cured form (e.g.Type: GrantFiled: May 9, 2016Date of Patent: January 21, 2020Assignee: Carbon, Inc.Inventors: Joseph M. DeSimone, Edward T. Samulski, Alexander Ermoshkin, Philip M. DeSimone
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Publication number: 20200009852Abstract: Described herein are methods, systems and apparatus (including associated control methods, systems and apparatus), for the production of a three-dimensional object by “bottom up” additive manufacturing, in which a carrier is vertically reciprocated with respect to a build surface, to enhance or speed the refilling of the build region with a solidifiable liquid. In preferred (but not necessarily limiting) embodiments, the three-dimensional object is produced from a liquid interface by continuous liquid interface production (i.e., “CLIP”).Type: ApplicationFiled: September 16, 2019Publication date: January 9, 2020Inventors: Alexander Ermoshkin, David Shirvanyants, Nordstrom Kirk Phelps, Nikita Ermoshkin, Edward T. Samulski, Joseph M. DeSimone
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Patent number: 10517824Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: GrantFiled: December 19, 2017Date of Patent: December 31, 2019Assignee: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: Joseph M. DeSimone, Jason P. Rolland, Benjamin W. Maynor, Larken E. Euliss, Ginger Denison Rothrock, Ansley E. Dennis, Edward T. Samulski, R. Jude Samulski
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Publication number: 20190389127Abstract: A method of forming a three-dimensional object is carried out by providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; filling the build region with a polymerizable liquid; irradiating the build region through the optically transparent member to form a solid polymer from the polymerizable liquid and advancing the carrier away from the build surface to form the three-dimensional object from the solid polymer, while also concurrently with the irradiating and/or advancing steps: (i) continuously maintaining a dead zone of polymerizable liquid in contact with the build surface, and (ii) continuously maintaining a gradient of polymerization zone between the dead zone and the solid polymer and in contact with each thereof. The gradient of polymerization zone comprises the polymerizable liquid in partially cured form (e.g.Type: ApplicationFiled: June 8, 2018Publication date: December 26, 2019Inventors: Joseph M. DeSimone, Alexander Ermoshkin, Nikita Ermoshkin, Edward T. Samulski