Patents Examined by Jessica M Roswell
  • Patent number: 11912881
    Abstract: Disclosed is an ink composition for photo-curable ink jet printing, comprising (A) at least one selected from the group consisting of hexanediol acrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, and hydroxy pivalic acid neopentyl glycol diacrylate, (B) at least one of vinyl amide monomer and acryloyl amine monomer, (C) an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, (D) a monofunctional monomer (excluding vinyl amide monomer which is the (B) component), and a photopolymerization initiator, wherein a content of the (A) component is 40 to 70% by mass, wherein a content of the (B) component is 5 to 30% by mass, wherein a content of the (C) component is 0.1 to 15% by mass, and wherein a viscosity is 200 mPa·s or less.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: February 27, 2024
    Assignee: SAKATA INX CORPORATION
    Inventors: Okinori Nakashima, Takuya Myose, Kazuhiro Fuke
  • Patent number: 11905423
    Abstract: A polymerizable liquid useful for the production of a three-dimensional object comprised of silicone, or a copolymer thereof, which includes at least one constituent selected from the group consisting of (i) a blocked or reactive blocked siloxane-containing prepolymer, (ii) a blocked or reactive blocked siloxane-containing polyisocyanate, and (iii) a blocked or reactive blocked siloxane-containing polyisocyanate chain extender. Methods of using the same in additive manufacturing processes such as continuous liquid interface production are also described.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: February 20, 2024
    Assignee: Carbon, Inc.
    Inventors: Jessica D. Drazba, Kai Chen, Jason P. Rolland
  • Patent number: 11897977
    Abstract: The present disclosure provides a redox initiator system for initiating polymerization comprising an oxidizing agent, a photolabile reducing agent derived from a barbiturate, and a transition metal complex that participates in a redox cycle. On exposure to actinic radiation, such as UV, the photolabile compound photolyzes, releasing the reducing agent and initiating the redox-initiated polymerization.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: February 13, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: William H. Moser, Erik M. Townsend, Zachary J. Thompson, Mary M. Caruso Dailey, Michael A. Kropp
  • Patent number: 11891341
    Abstract: This disclosure provides resin formulations which may be used for 3D printing and thermally treating to produce a ceramic material. The disclosure provides direct, free-form 3D printing of a preceramic polymer, followed by converting the preceramic polymer to a 3D-printed ceramic composite with potentially complex 3D shapes. A wide variety of chemical compositions is disclosed, and several experimental examples are included to demonstrate reduction to practice. For example, preceramic resin formulations may contain a carbosilane in which there is at least one functional group selected from vinyl, allyl, ethynyl, unsubstituted or substituted alkyl, ester group, amine, hydroxyl, vinyl ether, vinyl ester, glycidyl, glycidyl ether, vinyl glycidyl ether, vinyl amide, vinyl triazine, vinyl isocyanurate, acrylate, methacrylate, alkacrylate, alkyl alkacrylate, phenyl, halide, thiol, cyano, cyanate, or thiocyanate.
    Type: Grant
    Filed: May 30, 2020
    Date of Patent: February 6, 2024
    Assignee: HRL Laboratories, LLC
    Inventors: Zak C. Eckel, Andrew P. Nowak, Ashley M. Dustin, April R. Rodriguez, Phuong Bui, Tobias A. Schaedler
  • Patent number: 11880133
    Abstract: Disclosed here is a method for making an architected three-dimensional aerogel, comprising providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a precursor for graphene, metal oxide or metal chalcogenide; curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three dimensional structure; drying the wet gel to produce a dry gel; and pyrolyzing the dry gel to produce an architected three-dimensional aerogel. Also disclosure is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and graphene oxide.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: January 23, 2024
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Marcus A Worsley, Patrick G. Campbell, Eric B. Duoss, James S. Oakdale, Christopher M. Spadaccini, Ryan Hensleigh
  • Patent number: 11866609
    Abstract: The present invention is an optically clear adhesive composition including a free-radically polymerizable acrylate or meth(acrylate) functional group oligomer, a trialkyl borane complex initiator, a photoacid generator, and a photosensitizer. A viscosity of the composition immediately after mixing and a viscosity of the composition about 24 hours after mixing changes by less than about 10%.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: January 9, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Christopher J. Campbell, John W. Campbell, Mark F. Ellis, Kathleen S. Shafer, Wayne S. Mahoney
  • Patent number: 11866619
    Abstract: The present disclosure relates to polyurethane based switchable adhesives. In at least one embodiment, a switchable adhesive composition comprises an adhesive component, which is formed from at least one isocyanate and a material or materials capable of undergoing cross-linking with isocyanate other than by free radical polymerization.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: January 9, 2024
    Assignee: Lumina Adhesives AB
    Inventor: Mats Tunius
  • Patent number: 11851509
    Abstract: The present invention provides a photocurable composition containing an ultraviolet absorber, which has high photocurability and yields a cured material having a high cutting capacity against ultraviolet rays from the outside, a low yellow index, and colorlessness and transparency. The present invention relates to a sheet-shaped photocurable composition which includes the following components (A) to (D), and when a cured material obtained after photocuring the photocurable composition has a thickness of 150 ?m, a yellow index of the cured material is 4.0 or less and a light transmittance of the cured material at a wavelength of 385 nm is 5.0% or less: a component (A): a (meth)acrylate compound, a component (B): a film forming resin, a component (C): a photoinitiator, and a component (D): an ultraviolet absorber.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: December 26, 2023
    Assignee: THREEBOND CO., LTD.
    Inventors: Kazuyuki Ueno, Yoshihide Arai, Takashi Nemoto
  • Patent number: 11840644
    Abstract: The present invention relates to radiation curable coating composition (I) consisting essentially of: —from 20 to 95 wt % of one or more (meth)acrylated compounds (a), —from 5 to 80 wt % of one or more metal salts of a C10 to C22 fatty acid (b), and —optionally, from 0 to 10 wt % of one or more additives (c), wherein the wt % of compounds (a) to (c) add up to at least 95%, preferably add up to 100%. Compositions of the invention are compatible with a whole range of radiation curable materials and with the standard additives like the standard matting agents. Compositions of the invention permit to obtain a dead matt effect using lower amounts of matting agents like silica and/or waxes. Dead matt effects can be obtained over a wide range of coating thicknesses.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: December 12, 2023
    Assignee: ALLNEX BELGIUM, S.A.
    Inventor: Guido Van Meulder
  • Patent number: 11833744
    Abstract: A method of forming a dual cure three-dimensional object by additive manufacturing may be carried out by mixing a first precursor liquid and a second precursor liquid to produce a polymerizable liquid comprising a mixture of (i) a light polymerizable liquid first component, and (ii) a second solidifiable component (e.g., a second reactive component) that is different from the first component (e.g., that does not contain a cationic photoinitiator, or is further solidified by a different physical mechanism, or further reacted, polymerized or chain extended by a different chemical reaction). In the foregoing: (i?) at least one reactant of the second solidifiable component is contained in the first precursor liquid, and (ii?) at least one reactant or catalyst of the second solidifiable component is contained in the second precursor liquid. Once mixed, the three-dimensional object may be formed from the resin by a dual cure additive manufacturing process.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: December 5, 2023
    Assignee: Carbon, Inc.
    Inventors: Jason P. Rolland, Julia D. Cushen
  • Patent number: 11827796
    Abstract: Provided is a curable resin composition including (A) a (meth)acrylic compound having a number-average molecular weight of 5,000 or less and represented by the formula (1) (R1 is a hydrogen atom, etc., L1 and L2 each represent an alkylene group, etc., L3 represents a divalent linking group having an ether structure, etc. and Q1 to Q3 each represent a divalent linking group —O—, etc.), (B) a (meth)acrylic organosiloxane compound having a number-average molecular weight of 1,000 or less and represented by the following formula (2) (R3 represents a hydrogen atom, etc., R4 represents an alkyl group, etc., L4 represents a single bond, etc., Q4 represents a single bond, etc., and m stands for an average number of repeating constituting units) and (C) a curing agent. A (meth)acrylic compound (A):(meth)acrylic organosiloxane compound (B) mass ratio is 40:60 to 85:15.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: November 28, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Chiaki Nishiura
  • Patent number: 11827799
    Abstract: Provided is an ultraviolet curable silicone composition capable of being ejected via inkjet ejection. The composition of the invention is an ultraviolet curable silicone composition comprising: (A) an organopolysiloxane represented by the following general formula (1) wherein each R1 independently represents a group selected from a monovalent aliphatic hydrocarbon group having 1 to 10 carbon atoms, an acryloyl group, a methacryloyl group, an alkyl acrylate group and an alkyl methacrylate group, while the component (A) has per molecule at least two groups selected from an acryloyl group, a methacryloyl group, an alkyl acrylate group and an alkyl methacrylate group; n represents a number satisfying 10?n?1,000; (B) a monofunctional (meth)acrylate compound having no siloxane structure; and/or (C) a multifunctional (meth)acrylate compound having no siloxane structure; and (D) a photopolymerization initiator.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: November 28, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Nobuaki Matsumoto, Taichi Kitagawa, Atsushi Yaginuma, Masaaki Shirota
  • Patent number: 11827781
    Abstract: The present disclosure discloses a photosensitive resin composition and a use the same. The resin composition of the present disclosure includes 40-70 parts by weight of an alkali-soluble resin, 20-50 parts by weight of a photopolymerizable monomer, 0.5-10.0 parts by weight of a photoinitiator, and 0.1-10.0 parts by weight of additives. The photopolymerizable monomer includes 0.5-15.0 parts by weight of a monomer containing carbonate structure. The photosensitive resin composition is used as a dry film resist.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: November 28, 2023
    Assignee: Zhejiang First Advanced Material R&D Institute Co., Ltd.
    Inventors: Gaohua Zhu, Weijie Li, Rongbai Tong, Weiqiang Qian, Guangda Zhou, Jianhua Lin
  • Patent number: 11820899
    Abstract: Described are polymerizable high energy light absorbing compounds. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: November 21, 2023
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Shivkumar Mahadevan, Dawn D. Wright
  • Patent number: 11814527
    Abstract: The invention provides a supramolecular polymer composition capable of co-assembly to maintain a three dimensional (3-D) macrostructural form after 3-D printing, made of a solvent, a template molecule; and a reactive component. The reactive component can be at least one monomer that is capable of hydrogen bonding with the template molecule to form a 1D supramolecular structure. The template may be an amphiphilic polymer. The monomer has at least two pendant groups capable of covalent crosslinking. The invention also includes a 3-D structure formed by crosslinking a 3-D printed supramolecular polymer composition, which optionally has a mesoporous structure. Also included is a method of manufacturing a 3-D structure by delivering a supramolecular polymer composition onto a surface of a substrate to form the 3-D structure.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: November 14, 2023
    Assignee: Trustees of Dartmouth College
    Inventors: Chenfeng Ke, Pengfei Zhang, Longyu Li, Qianming Lin
  • Patent number: 11814490
    Abstract: Powder including low molecular weight polytetrafluoroethylene having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having an average particle size of 1.0 to 50 ?m, and containing 30 or more carboxyl groups at ends of the molecule chain per 106 carbon atoms in the main chain, wherein the powder is substantially free from C8-C14 perfluorocarboxylic acids and salts thereof.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: November 14, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Ken Yoshida, Hirotoshi Yoshida, Keisuke Hagi, Masayuki Tsuji, Taketo Kato, Yuuji Tanaka, Taku Yamanaka, Kazuya Kawahara, Masamichi Sukegawa, Kazutaka Hosokawa
  • Patent number: 11781021
    Abstract: Corrosion resistance coatings and dicyclopentadiene modified ester oligomers useful in corrosion resistant coatings. The corrosion resistant coatings exhibit improved corrosion resistance, improved adhesion, lower toxicity, unlimited pot life, and/or lower volatile organic compounds (VOCs).
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: October 10, 2023
    Assignee: PTT Global Chemical Public Company Limited
    Inventor: Arne Matthew Terwillegar
  • Patent number: 11745530
    Abstract: The present invention relates to a decorative material having excellent printability, and the decorative material according to the present invention has an ink-receiving layer having a radially fine sloping structure having a dendritic shape, whereby the absorbing and/or fixing property, i.e., printability, of the ink printed on the ink-receiving layer is improved, and clarity is excellent, so that aesthetic effects are excellent. In addition, since the ink-receiving layer is manufactured through UV curing, it can be directly coated on a substrate layer, and can include various kinds of substrate layers; and since it is manufactured using a solvent-free type resin composition without using an organic solvent, and has an excellent absorbing and/or fixing property with respect to a water soluble ink, it has environmental friendly advantages.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: September 5, 2023
    Assignee: LG Hausys, Ltd.
    Inventors: Han Na Lee, Heon Jo Kim, Se Ra Yang
  • Patent number: 11732074
    Abstract: The present teachings relate to various embodiments of a curable ink composition, which once printed and cured form polymeric films on a substrate such as, but not limited by, an OLED device substrate. Various embodiments of the curable ink compositions comprise di(meth)acrylate monomers, as well as multifunctional crosslinking agents and curing kinetics control additives.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: August 22, 2023
    Assignee: Kateeva, Inc.
    Inventors: Elena Rogojina, Inna Gurevitch, Teresa A. Ramos, Lorenza Moro, Victor Miranda
  • Patent number: 11718690
    Abstract: A formulation for a photopolymer composite material for a 3D printing system includes an acrylate oligomer, an inorganic hydrate, a reinforcing filler, and an ultraviolet (UV) initiator. In the formulation the acrylate oligomer may be found in the range between about 20.0-60.0 w % of the formulation. The inorganic hydrate may be found in the range between about 20.0-50.0 w % of the formulation. The reinforcing filler may be found in the range between about 5.0-60.0 w % of the formulation, and the UV initiator may be found in the range between about 0.001-0.5 w % of the formulation. A method of generating a formulation of a photopolymer composite material for use in a 3D printing system includes using an acrylate oligomer, an inorganic hydrate, a reinforcing filler, and an ultraviolet (UV) initiator.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: August 8, 2023
    Assignee: Mighty Buildings, Inc.
    Inventors: Vasily Korshikov, Anna Trushina, Dmitry Starodubtsev, Slava Solonitsyn, Igor Kovalev, Aleksei Dubov