Patents Examined by Sanza L. McClendon
  • Patent number: 11834532
    Abstract: The present invention relates to a novel serie of ?-disilyloxyketones, which are useful as photoinitiators (PIs), and to compositions comprising said photoinitiators.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: December 5, 2023
    Assignee: IGH RESINS ITALIA S.R.L.
    Inventors: Marika Robert Morone, Gabriele Norcini, Gianni Casaluce, Andrea Bernini Freddi, Stephen Postle
  • Patent number: 11826925
    Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: November 28, 2023
    Assignee: 3D SYSTEMS, INC.
    Inventors: John Fong, Pingyong Xu
  • Patent number: 11820903
    Abstract: The present disclosure provides a photo-curable elastic ink composition for three-dimensional printing and the preparation method. The ink composition includes approximately 10%-75% of a soft monomer, approximately 10%-75% of a hard monomer, approximately 5%-20% of a cross-linking agent, approximately 5%-20% of a non-reactive soft resin, approximately 0.5%-10% of a photo-initiator, approximately 0%-0.5% of a colorant, and approximately 0.05%-8% of an auxiliary agent. The soft monomer is capable of generating a homopolymer with a glass transition temperature lower than about 25° C. The hard monomer is capable of generating a homopolymer with a glass transition temperature of about 25° C. or higher. The non-reactive soft resin is a resin without containing any radiation curable group in the molecular structure and having a glass transition temperature less than 0° C.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: November 21, 2023
    Assignee: ZHUHAI SEINE TECHNOLOGY CO., LTD.
    Inventors: Qiancheng Yang, Jia Li, Likun Wang
  • Patent number: 11807710
    Abstract: The invention provides a UV-curable resin for forming a chemical-mechanical polishing pad comprising: (a) one or more acrylate blocked isocyanates; (b) one or more acrylate monomers; and (c) a photoinitiator. The invention also provides a method of forming a chemical-mechanical polishing pad using the UV-curable resin.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: November 7, 2023
    Assignee: CMC Materials, Inc.
    Inventors: Chen-Chih Tsai, Eric S. Moyer, Ping Huang
  • Patent number: 11807773
    Abstract: The present invention provides a multi-phase structured UV-curable powder coating resin and a preparation method thereof, comprising (1) obtaining an emulsion of a liquid UV resin by heating the liquid UV resin and an emulsifier, dispersing, and adding deionized water for emulsification; (2) melting and dispersing a solid UV resin, a phase change agent, an emulsifier, and deionized water; adding the emulsion of the liquid UV resin with stirring to thoroughly mix; temperature is lowered during the stirring to obtain a suspension; (3) press filtering the suspension of the UV-curable powder coating resin to obtain a filter cake; (4) drying and classifying the filter cake to obtain the multi-phase structured UV-curable powder coating resin. The multi-phase structured UV-curable powder coating resin is prepared from the aforementioned method. The present disclosure has the properties of both the liquid and solid UV resin and can be sprayed as a powder coating.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: November 7, 2023
    Assignees: FOSHAN YIKEJU NEW MATERIAL CO., LTD., JIANGSU RAP RESIN TECHNOLOGY CO., LTD.
    Inventors: Jirui Song, Ming Wu
  • Patent number: 11795253
    Abstract: The present invention relates to a composition containing a compound (A) represented by the following general formula (I) and a compound having two or more polymerizable functional groups (B) in a molecule (except for compound (A)), wherein a mass ratio ((A)/(B)) of the compound (A) to the compound having two or more polymerizable functional groups (B) in a multi-molecule is 30/70 to 50/50: wherein, R1 and R2 each independently represent any one selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aryl group, and an aralkyl group; R3 represents any one selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, an aryl group, and an aralkyl group; R4 represents any one selected from the group consisting of a (meth)acryloyl group, a styryl group, and an alkenyl group having 2 to 6 carbon atoms; and n represents any integer of 1 to 5.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: October 24, 2023
    Assignee: KURARAY CO., LTD.
    Inventors: Issei Oida, Daiki Noguchi, Takashi Fukumoto
  • Patent number: 11787959
    Abstract: A radiation curable gravure ink, comprising: cationic polymerizable compound comprising a hydroxyl-containing oxetane-based compound and an alicyclic epoxy-based compound; a cationic photoinitiator; a pigment; and filler.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: October 17, 2023
    Assignee: CHANGZHOU GREEN PHOTOSENSITIVE MATERIALS CO., LTD.
    Inventor: Bin Qian
  • Patent number: 11781016
    Abstract: A UV curable silicone composition has exceptional curability by ultraviolet irradiation.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: October 10, 2023
    Assignees: DuPont Toray Specialty Materials Kabushiki Kaisha, Rohm and Haas Electronic Materials LLC, Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Shunya Takeuchi, Anna Ya Ching Feng, Yutaka Oka, Jung Hye Chae
  • Patent number: 11780947
    Abstract: The present invention provides a photocurable composition for use in stereolithography, the photocurable composition including: a (meth)acrylic monomer (X) that is at least one selected from the group consisting of di(meth)acrylic monomers containing, within one molecule, two aromatic rings and two (meth)acryloyloxy groups, and that has a weight average molecular weight of from 400 to 580; a (meth)acrylic monomer (D) that is at least one selected from the group consisting of (meth)acrylic monomers containing, within one molecule, at least one aromatic ring and one (meth)acryloyloxy group, and that has a weight average molecular weight of from 140 to 350; and a photopolymerization initiator.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: October 10, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Toshikazu Sakamaki
  • Patent number: 11780973
    Abstract: Provided is a method for producing low-molecular-weight polytetrafluoroethylene which is less likely to generate C6-C14 perfluorocarboxylic acids and salts thereof. The disclosure relates to a method for producing low-molecular-weight polytetrafluoroethylene having a melt viscosity at 380° C. of 1.0×102 to 7.0×105 Pa·s. The method includes (1) irradiating high-molecular-weight polytetrafluoroethylene with radiation in a substantially oxygen-free state and decomposing the high-molecular-weight polytetrafluoroethylene into a low-molecular-weight component and (2) deactivating, in a substantially oxygen-free state, at least part of main-chain radicals and end radicals generated by the irradiation and providing the low-molecular-weight polytetrafluoroethylene.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: October 10, 2023
    Assignees: OSAKA UNIVERSITY, DAIKIN INDUSTRIES, LTD.
    Inventors: Akihiro Oshima, Takayuki Tanaka, Hideki Nakaya, Kazuyuki Satoh, Ryosuke Senba
  • Patent number: 11781034
    Abstract: This description relates to low VOC water borne coating compositions with improved application properties based on a binder mixture comprising an urethanized polyester and an acrylic two-step polymer. This description further relates to the use of the low VOC water borne coating compositions for forming a coating, preferably for forming a clear coat, and more preferably for forming a clear coat in refinishing applications. Moreover, this description also relates to a method of forming a multilayer coating comprising a step of forming a coating layer by using the low VOC water borne coating composition.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: October 10, 2023
    Assignee: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Wiebke Becker, Carmen Flosbach
  • Patent number: 11773306
    Abstract: Provided is a UV curable sealing material containing a vinyl chloride sol as a main ingredient, the film strength of the sealing material being not reduced even in a thin film, the sealing material thus having high resistant pressure against a hem blister. Provided is a vinyl chloride sol composition containing a vinyl chloride-based resin, a UV curable resin having a polar group (functional group), a blocked isocyanate resin, and a filler, the vinyl chloride sol composition being characterized by containing the UV curable resin having a polar group (functional group) in an amount of 20 to 100 parts by weight, the blocked isocyanate resin in an amount of 10 to 50 parts by weight, and the filler in an amount of 50 to 160 parts by weight, relative to 100 parts by weight of the vinyl chloride-based resin.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: October 3, 2023
    Assignees: PARKER ASAHI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiro Sato, Eiichi Ishida, Ayumi Watanabe
  • Patent number: 11773013
    Abstract: A coating material for the production of a UV-curing primer coating. The coating material includes at least 60 to 90 wt.-% of at least one monofunctional cycloaliphatic acrylate monomer or at least one monofunctional aryloxy alkyl acrylate monomer, 1 to 10 wt.-% of at least one amino-functional silane, 1 to 10 wt.-% of at least one photoinitiator, and up to 10 wt.-% of at least one of at least one acrylate oligomer and at least one methacrylate oligomer, each based on a total weight of the coating material.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: October 3, 2023
    Assignee: MANKIEWICZ GEBR. & CO. (GMBH & Co. KG)
    Inventors: Umberto De Rossi, Oliver Bolender, Timo Steffen
  • Patent number: 11760894
    Abstract: An example of a fusing agent includes a metal bis(dithiolene) salt, a polar aprotic solvent, and a balance of water. An example of a method for making an example of the fusing agent includes adding a metal bis(dithiolene) salt into a liquid vehicle including at least a polar aprotic solvent and water.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: September 19, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Paul Olubummo, Lihua Zhao, Aja Hartman, Howard S. Tom
  • Patent number: 11760817
    Abstract: Embodiments in accordance with the present invention encompass compositions comprising a soluble photoacid generator, a organopalladium compound, a photosensitizer and one or more olefinic monomers which undergo vinyl addition polymerization when said composition is exposed to a suitable actinic radiation to form a substantially transparent film. The monomers employed therein have a range of optical and mechanical properties, and thus these compositions can be tailored to form films having various opto-electronic properties. Accordingly, compositions of this invention are useful in various applications, including as coatings, encapsulants, fillers, leveling agents, among others.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: September 19, 2023
    Assignee: PROMERUS, LLC
    Inventors: Paul D Byrne, Brian Knapp
  • Patent number: 11739177
    Abstract: The present disclosure relates to sealed isocyanate resin compositions. The resin compositions may be used for additive manufacturing. One embodiment of the invention includes a photopolymerizable resin for additive manufacturing, the resin comprising: a blocked isocyanate; at least one monomer or oligomer; and a multifunctional nucleophile.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: August 29, 2023
    Assignees: Adaptive 3D Technologies, Board of Regents, The University of Texas System
    Inventors: Benjamin R. Lund, Walter Voit
  • Patent number: 11739221
    Abstract: Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, and a composite resin comprising a curable carrier and polymeric particles dispersed in the curable carrier. The polymerizable liquid also comprises a photoinitiator component.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: August 29, 2023
    Assignee: 3D SYSTEMS, INC.
    Inventor: John Fong
  • Patent number: 11739175
    Abstract: An object of the present invention is to provide a curable resin composition in which the refractive index of a cured material is low and the adhesive strength to a member is excellent. There is provided a curable resin composition including: (A) component: an oligomer containing a (meth)acryloyl group and a fluorine atom in a molecule; (B) component: polyfunctional (meth)acrylate not containing a fluorine atom in a molecule; (C) component: a compound, not containing a fluorine atom in a molecule, of at least one selected from the group consisting of monofunctional (meth)acrylate containing a hydroxyl group, monofunctional (meth)acrylate containing an alicyclic ring, monofunctional (meth)acrylate containing an aromatic ring, (meth)acrylamide, and (meth)acrylic acid; and (D) component: a radical initiator, wherein a content of the (B) component is 0.1 parts by mass or more and 7.8 parts by mass or less relative to 100 parts by mass of the (A) component.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: August 29, 2023
    Assignee: THREEBOND CO., LTD.
    Inventor: Hiroto Matsuoka
  • Patent number: 11739105
    Abstract: The present invention relates to a compound of formula (I) below: in which: R1 represents, in particular, an alkylene group comprising from 1 to 6 carbon atoms; R2 and R3 are, in particular, H; n is 0, 1, 2 or 3; and R4 is chosen from the group consisting of: NO2, ORa, SRa and NRaRb, wherein Ra and Rb are as defined above; R5 and R6, identical or different, represent an alkyl or alkoxy group comprising from 1 to 6 carbon atoms; and R7, R8 and R9, identical or different, represent an alkyl group comprising from 2 to 6 carbon atoms.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: August 29, 2023
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE CAEN NORMANDIE
    Inventors: Mohamad El Roz, Sami Lakhdar, Igor Telegeiev
  • Patent number: 11732147
    Abstract: A transparent, elastic, and biocompatible 1K silicone for additive manufacturing that can be printed by stereolithographic processes, includes at least 25-75% by weight of a monomeric or oligomeric dimethacrylate based on silicone or silicone urethanes having a viscosity of <100 Pa·s, 20-50% by weight of one or more monomeric/oligomeric cyclic (meth)acrylates having a viscosity of <0.5 Pa·s, 1-25% by weight of silicone oil having a viscosity of <1 Pa·s, 0.5-20% by weight of fillers with a particle size of <100 ?m, 0.1-5% by weight of one or a combination of a plurality of photoinitiators whose absorption is in the wavelength range of the laser beam or irradiation source used.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: August 22, 2023
    Assignee: DREVE PRODIMED GMBH
    Inventors: Emre Civelek, Thomas Veit