Patents Examined by Jessica Whiteley
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Patent number: 12221505Abstract: Provided is a curable resin composition with which a cured object with low water absorbency and good impact resistance and heat resistance can be formed and which is preferably usable in three-dimensional shaping. The curable resin composition contains: a polyfunctional urethane (meth)acrylate (A); a hydrophilic monofunctional radical-polymerizable compound (B); a hydrophobic monofunctional radical-polymerizable compound (C); rubber particles (D); and a radical polymerization initiator (E), and the content of the rubber particles (D) is 8 parts by mass or more and 50 parts by mass or less with respect to 100 parts by mass of radical-polymerizable compounds.Type: GrantFiled: November 17, 2021Date of Patent: February 11, 2025Assignee: Canon Kabushiki KaishaInventors: Takayuki Hiratani, Kyohei Wada, Ryo Ogawa
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Patent number: 12215050Abstract: The present invention provides additive manufacturing compositions, also referred as “inks” in the field of additive manufacturing, which can be fine-tuned with respect to porosity by varying the intensity of the photopolymerisation light source and which can further be used to obtain objects out of glasses, ceramics or glass-ceramics and their respective alloys.Type: GrantFiled: August 28, 2019Date of Patent: February 4, 2025Assignee: ETH ZürichInventors: David Moore, Lorenzo Barbera, Kunal Masania, André R. Studart
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Patent number: 12215202Abstract: This document describes a process of producing gel microparticles, which are consistent in size and morphology. Through the process of coacervation, large volumes of gel microparticle slurry can be produced by scaling up reactor vessel size. Particles can be repeatedly dehydrated and rehydrated in accordance to their environment, allowing for the storage of particles in a non-solvent such as ethanol. Gel slurries exhibit a Bingham plastic behavior in which the slurry behaves as a solid at shear stresses that are below a critical value. Upon reaching the critical shear stress, the slurry undergoes a rapid decrease in viscosity and behaves as a liquid. The rheological behavior of these slurries can be adjusted by changing the compaction processes such as centrifugation force to alter the yield-stress. The narrower distribution and reduced size of these particles allows for an increase in FRESH printing fidelity.Type: GrantFiled: May 12, 2023Date of Patent: February 4, 2025Assignee: Carnegie Mellon UniversityInventors: Andrew Hudson, Thomas Hinton, Adam Feinberg, Andrew Lee
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Patent number: 12209172Abstract: Curable compositions comprise at least one (meth)acrylate monomer; silver; and a photoinitiator system. The photoinitiator system comprises at least one cyclic ?-diketone represented by the formula (I) or a tautomer thereof, wherein: R1 represents H or an organic moiety having from 1 to 32 carbon atoms and optionally 1 to 12 heteroatoms selected from O, N, and combinations thereof; each R2 independently represents H or an aliphatic group having from 1 to 12 carbon atoms, and up to two of oxygen and sulfur atoms; and n represents 1, 2, or 3; and at least one Type II photoinitiator. Methods of making and using the compositions are also disclosed.Type: GrantFiled: April 5, 2021Date of Patent: January 28, 2025Assignee: 3M Innovative Properties CompanyInventors: Amanda K. Leone, Ahmed S. Abuelyaman, Yizhong Wang, Wayne S. Mahoney, William H. Moser
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Patent number: 12209151Abstract: A UV curable resin for producing artificial dew and a preparation method thereof, the UV curable resin includes epoxy acrylate, urethane acrylate, 2-hydroxy-methylphenylpropane-1-one, methyl phenyl glyoxylate, thickening agent, defoaming agent, polymerization inhibitor, and filler; compared to AB two-component epoxy resin, the present disclosure has lower requirements for use environment, and can flexibly adjust curing time and speed by precisely controlling intensity and illumination time of UV light source, thereby significantly reducing material loss and operational difficulty; besides, due to a faster solidification process, the present disclosure does not require a large drying area, thus production efficiency and space utilization are improved; the present disclosure uses epoxy acrylate and urethane acrylate as base resins, which renders the artificial dew have good transparency and glossiness, thereby effectively improving a simulation degree of the artificial dew, and rendering the simulated plant proType: GrantFiled: June 14, 2024Date of Patent: January 28, 2025Inventor: Meizhu Wang
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Patent number: 12195698Abstract: A compound according to formula I in the form of any one of its stereoisomers or a mixture thereof wherein is indicating a carbon-carbon single or double bond, with the provision that the compound has one carbon-carbon double bond or two isolated or conjugated carbon-carbon double bonds, and R1 to R5 are independently from each other selected from H or Me, with the proviso that the compound is not 3-(4-(2-hydroxy-2-methylpropyl)cyclohex-1-en-1-yl)propanal, and its use as fragrance.Type: GrantFiled: March 27, 2020Date of Patent: January 14, 2025Assignee: Givaudan SAInventor: Marc Liniger
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Patent number: 12194053Abstract: Polymeric compositions are provided that include a poly(ethylene glycol), a viscoelastic polymer, and an antioxidant, where, in polymerized form, the compositions have a refractive index of about 1.30 to about 1.40. Methods of synthesizing the compositions are also provided and include the steps of heating an amount of water, adding a buffering agent to the water to form a buffer solution; mixing a poly(ethylene glycol) and a viscoelastic polymer into the buffer solution to form a reactive mixture; adding a plurality of antioxidant particles to the reactive mixture; and removing suspended gas bubbles from the reactive mixture. Methods of preventing oxidative damage to an eye lens of a subject are further provided and include administering the foregoing polymeric compositions to the eye lens of the subject.Type: GrantFiled: May 31, 2023Date of Patent: January 14, 2025Assignee: University of Louisville Research Foundation, Inc.Inventors: Tongalp H. Tezel, Andrea S. Gobin, Martin G. O'Toole
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Patent number: 12195570Abstract: Antimicrobial polymer composite materials are disclosed that are suitable for making oral devices used in dental applications, such as denture bases. Acrylic resin composite materials comprising antimicrobial polymers and antimicrobial fillers provide reduction in common oral microorganisms after long-term aging, with reduced release rate of antimicrobial agents from the composite material. Antimicrobial polymers are prepared from compositions comprising acrylate and/or methacrylate monomers and polymerizable quaternary ammonium silicon-containing compounds.Type: GrantFiled: June 29, 2023Date of Patent: January 14, 2025Assignee: James R. Glidewell Dental Ceramics, Inc.Inventors: Maggie Xiaoxia Liu, Bharathy Thaiyalan, Reid Baker, Nicole Lee Miller
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Patent number: 12187978Abstract: The present invention relates to the use of (3-hydroxy-2,2-dimethyl-propyl) acetate for enhancing and/or modifying the aroma of (3-acetoxy-2,2-dimethyl-propyl) acetate. The invention further relates to the use of (3-acetoxy-2,2-dimethyl-propyl) acetate in combination with (3-hydroxy-2,2-dimethyl-propyl) acetate as an aroma chemical and for enhancing and/or modifying the aroma of a composition. The present invention further relates to compositions comprising (3-acetoxy-2,2-dimethyl-propyl) acetate combined with (3-hydroxy-2,2-dimethyl-propyl) acetate and at least one aroma chemical and/or at least one non-aroma chemical carrier.Type: GrantFiled: February 14, 2020Date of Patent: January 7, 2025Assignee: BASF SEInventors: Volker Hickmann, Manuel Danz, Florian Garlichs
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Patent number: 12187907Abstract: The present invention provides energy curable compositions comprising self-initiating oligomers, amine synergists and Group IV metal chelates. The compositions optionally comprise acrylate monomers having carbonate ester, carbamate, or oxazolidinone groups. The compositions of the present invention exhibit improved cure, and are suitable for packaging, such as food packaging.Type: GrantFiled: July 28, 2021Date of Patent: January 7, 2025Assignee: Sun Chemical CorporationInventors: Mathew C. Mathew, David Biro
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Patent number: 12186416Abstract: The invention relates to a monomer mixture for producing a dental material comprising: a. at least one base monomer M1 of the following formula 1: PG-S-A-S—[OOC—K—COO—S-A-S]n-PG (formula 1), where PG=a polymerizable group selected from OOC—CH—CH2 and —OOC—C(CH3)—CH2; S=a spacer group selected from an unbranched and a branched alkylene, which has C1-C10 carbon atoms and which can also contain oxygen or —OOC— in the carbon chain, or S is omitted; A=an aliphatic polycyclic group; K=an aliphatic acyclic or cyclic saturated or unsaturated unit with C1-C10 carbon atoms; and n=1-9; b.Type: GrantFiled: May 13, 2022Date of Patent: January 7, 2025Assignee: MÜHLBAUER TECHNOLOGY GMBHInventors: Stephan Neffgen, Swen Neander
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Patent number: 12180313Abstract: A photocurable composition for stereolithographic three-dimensional printing, wherein the photocurable composition comprises a photoreactive oligomer component comprising a hydrophobic oligomer comprising a photoreactive end group, a photoreactive monomer component comprising a photoreactive monomer having a photoreactive end group, and a photoinitiation composition comprising a photoinitiator; the photocurable composition has a viscosity of 250 to 10,000 centipoise at 22° C., determined using a Brookfield viscometer; and the photocured composition has a dielectric loss of less than 0.010, preferably less than 0.008, more preferably less than 0.006, most preferably less than 0.004, each determined by split-post dielectric resonator testing at 10 gigahertz at 23° C.Type: GrantFiled: August 30, 2023Date of Patent: December 31, 2024Assignee: ROGERS CORPORATIONInventors: Trevor Polidore, Dirk Baars, Thomas A. Koes, Bruce Fitts, Murali Sethumadhavan
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Patent number: 12180320Abstract: Provided are a low-viscosity ultraviolet curable silicone composition capable of being used even in a surface exposure method and a lift-up method etc.; and a cured product superior in tensile strength and elongation at break.Type: GrantFiled: December 29, 2023Date of Patent: December 31, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Nobuaki Matsumoto, Kohei Otake, Taichi Kitagawa, Tsuyoshi Matsuda, Toshiyuki Ozai
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Patent number: 12173148Abstract: A polymerizable composition, which includes (a) at least one radically polymerizable oligomer, (b) at least one radically polymerizable monomer and (c) at least one initiator for the radical polymerization, characterized in that the radically polymerizable oligomer (a) is selected from the group consisting of aliphatic urethane (meth)acrylate oligomers, epoxy (meth)acrylate oligomers and polyether urethane (meth)acrylate oligomers, and the radically polymerizable monomer (b) is polyfunctional.Type: GrantFiled: July 19, 2023Date of Patent: December 24, 2024Assignee: Ivoclar Vivadent AGInventor: Kai Rist
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Patent number: 12173310Abstract: The present disclosure provides compositions and methods for producing hydrogel matrix constructs. Methods of using hydrogel matrix constructs for tissue repair and regeneration and for the oxygenation of red blood cells are also disclosed.Type: GrantFiled: July 3, 2023Date of Patent: December 24, 2024Assignee: WILLIAM MARSH RICE UNIVERSITYInventors: Jordan Miller, Anderson Ta, Bagrat Grigoryan
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Patent number: 12172382Abstract: A method of forming a three-dimensional object is described. The method may use a polymerizable liquid, or resin, useful for the production by additive manufacturing of a three-dimensional object, comprising a mixture of (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from said first component.Type: GrantFiled: May 30, 2023Date of Patent: December 24, 2024Assignee: Carbon, Inc.Inventors: Jason P. Rolland, Kai Chen, Justin Poelma, James Goodrich, Robert K. Pinschmidt, Jr., Joseph M. DeSimone, Lloyd M. Robeson
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Patent number: 12173095Abstract: Provided herein is technology relating to polymerization and producing polymers and particularly, but not exclusively, to methods, systems, and compositions for producing articles using three-dimensional printing and for improving control of polymerization using a polymerization photoinhibitor having fast back reaction kinetics such as hexaarylbiimidazole compounds and bridged hexaarylbiimidazole compounds.Type: GrantFiled: November 13, 2023Date of Patent: December 24, 2024Assignee: The Regents of the University of MichiganInventors: Timothy F. Scott, Harry van der Laan, Megan A. Cole, Mark A. Burns, Martin P. De Beer, Zachary D. Pritchard, Avi Bregman
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Patent number: 12173168Abstract: Herein is described a method of providing a printed label. The method comprises applying a radiation curable overcoat composition to a liquid electrostatically printed ink disposed on a label substrate; wherein the radiation curable overcoat composition comprises radiation curable monomers and/or oligomers; a photoinitiator; a polyalkylsiloxane containing at least two reactive functional groups, wherein the reactive functional groups are selected from hydrogen, hydroxyl, amino and a double bond; and a cross-linker containing at least two epoxide groups. Printed labels and a radiation curable overcoat composition are also described herein.Type: GrantFiled: July 24, 2019Date of Patent: December 24, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Inna Tzomik, Faina Kogan, Liora Braun, Daniel Skvirsky
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Patent number: 12173171Abstract: UV-LED ink composition compositions containing a matrix or binder system, one or more colorants, and one or more photo-initiators. In some embodiments, the matrix or binder system is cured using one or more UV-LED sources. In some embodiments, the matrix or binder system contains one or more materials that are polymerized, crosslinked, and/or cured upon exposure to the UV-LED source. This allows the ink composition to be free of any organic solvents. After polymerization and/or crosslinking, the ink is dry. UV-LED ink compositions can be better suited for curing black inks, improve/increase productivity due to its instant on/instant off capability, and produce little or no heat. Such compositions may have environmental benefits as well as the curing process does not produce ozone and requires less exhaust air surrounding the press.Type: GrantFiled: April 8, 2020Date of Patent: December 24, 2024Assignee: Avery Dennison CorporationInventors: Radha Sen, Michael P. Garlock
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Patent number: 12168734Abstract: A curable resin composition comprising; component (A) monofunctional 2-(allyloxymethyl) acrylic acid or its ester; component (B) a polyfunctional radically polymerizable compound having an isocyanurate ring; component (C) a radically polymerizable compound; component (D) rubber particles; and component (E) a radical polymerization initiator, the component (C) is a radically polymerizable compound different from the component (A) and the component (B); and when the sum of the component (A), the component (B) and the component (C) is 100 parts by mass, the component (B) is 20 parts by mass or more to 80 parts by mass or less and the component (C) is 0 parts by mass or more to 40 parts by mass or less.Type: GrantFiled: August 3, 2021Date of Patent: December 17, 2024Assignee: Canon Kabushiki KaishaInventors: Kyohei Wada, Takayuki Hiratani