Patents Examined by Kregg T Brooks
  • Patent number: 11225542
    Abstract: Casting of non-ferrous metals, especially aluminum and magnesium, can have problems with erosion, in which molten metal contacts the mold or core surfaces during the pouring process, resulting in the sand being dislodged. Binder systems addressing this issue often use bisphenol F epoxy resin. A binder system is provided in which a major portion of the epoxy resin component is a bisphenol epoxy resin that has been modified by incorporating oxazolidone rings into an epoxy backbone of the bisphenol epoxy resin, especially a bisphenol A epoxy resin. The modification is preferably achieved by reacting the diglycidyl ether of the bisphenol with a methylene diphenyl diisocyanate.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 18, 2022
    Assignee: ASK CHEMICALS LLC
    Inventors: Sritama Kar, Xianping Wang, Joerg Kroker
  • Patent number: 11214677
    Abstract: The present invention relates to a resin composition having a high flow property, low thermal expansion characteristics, and excellent mechanical properties, and a prepreg and a metal clad laminate formed from the same.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: January 4, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Chang Bo Shim, Hee Yong Shim, Hyun Sung Min, Young Chan Kim, Seung Hyun Song
  • Patent number: 11208420
    Abstract: This invention outlines a method for synthesizing a blended resin system in a one pot reaction that may utilize, for example, bio-based anhydrosugars such as isosorbide as a principle component to produce isosorbide dimethacrylate and other monomeric materials for thermosetting applications. This invention establishes a one-pot procedure for reacting a hydroxy group containing compound with methacrylic anhydride in the first step and using the by-product methacrylic acid to react with glycidyl ethers to form additional methacrylate compounds in the second step. This methodology can be formulated to produce a wide array of resin systems that have controlled ratios of hydroxy group containing compound/crosslinker/reactive diluent. Additionally, the novel resin systems may be partially to fully biobased, promoting global sustainability and reducing costs, and when free radically polymerized have properties that meet or exceed their petroleum derived counterparts.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: December 28, 2021
    Assignees: Drexel University, THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
    Inventors: Joshua Matthew Sadler, John Joseph La Scala, Giuseppe R. Palmese
  • Patent number: 11208534
    Abstract: The disclosure provides for dynamic polymers based on silyl ether exchange that are malleable and recyclable which have favorable mechanical properties and chemical resistance, methods of making thereof, and uses and applications thereof.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: December 28, 2021
    Assignee: The Regents of the University of California
    Inventor: Zhibin Guan
  • Patent number: 11198752
    Abstract: The present invention relates to a polymer-graphene composite, in which a polymer has been introduced onto the surface of graphene while maintaining the structural features and mechanical properties of the graphene, thereby realizing an excellent dispersibility in an organic solvent, a method for preparing the same, and a polymer-graphene composite composition using the same.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: December 14, 2021
    Inventors: Yong Wook Kim, Won Jong Kwon
  • Patent number: 11193015
    Abstract: A thermosetting resin composition having improved flowability and stiffness, and a prepreg using the same. Specifically, three kinds of fillers having different average particle diameters are combined with a binder resin system including an epoxy resin, a bismaleimide resin, a diaminodiphenylsulfone resin, and a benzoxazine resin.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: December 7, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Hwayeon Moon, Changbo Shim, Hee Yong Shim, Hyunsung Min, Won Ki Kim
  • Patent number: 11191876
    Abstract: A coating for a medical device or appliance may include a fluoropolymer and a polyimide. Such coatings may provide a lubricious exterior surface that facilitates insertion or displacement of a medical device in a body lumen. Some coatings that include a fluoropolymer and a polyimide may, among other functions and characteristics, provide increased strength and/or durability relative to some other coatings.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: December 7, 2021
    Assignee: Merit Medical Systems, Inc.
    Inventors: William Paul McKee, Albert Hillen, Peter van der Wal
  • Patent number: 11186743
    Abstract: A stable two-component waterborne coating composition comprising an epoxy component A comprising a waterborne epoxy resin, a polymeric dispersant, and pigments and/or extenders; and a component B comprising a curing agent; providing coatings made therefrom with improved anti-corrosion properties; and a method of preparing the coating composition.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: November 30, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Weijun Yang, Hu Li, Longlan Cui, Siyuan Jiang, Tao Wang, Yu Cai, Jia Tang, Antony K. Van Dyk
  • Patent number: 11186730
    Abstract: The present disclosure relates to a chromium-free coating composition including at least one binder and at least one iron(III)-tris(N,N-dithiocarbamate) complex, where the binder includes at least one synthetic resin and at least one crosslinker. The present disclosure also relates to the use of such a coating composition for the protection against corrosion of metallic substrates, a process for at least partially coating a metallic substrate with such a priming coat, a substrate at least partially coated therewith and an article or a component made of such a substrate.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: November 30, 2021
    Inventors: Hubert Theil, Andre Brosseit, Hendrik Narjes, Thorsten Gelbrich, Justina Muehlmeyer, Andrea Hoene
  • Patent number: 11186734
    Abstract: An epoxy resin emulsion includes a continuous phase including an aqueous carrier and an acid. The emulsion also includes a dispersed phase including an epoxy resin. The epoxy resin is the reaction product of an amine compound and a first epoxy reactant. The first epoxy reactant itself includes the reaction product of (1) an aromatic diol monomer, (2) a di-glycidyl ether of Bisphenol A and/or a di-glycidyl ether of catechol, and (3) a C8-C18 alkyl phenolic end-capping agent. The (1) aromatic diol monomer has the structure: In this structure, each of R1-R4 is independently a hydrogen atom, a C1-C8 alkyl group, a C3-C8 cycloalkyl group, an aryl group, an aralkyl group, a halide group, a cyano group, a nitro group, a blocked isocyanate group, or a C1-C8 alkyloxy group or wherein any two or more of R1-R4 may be a fused ring.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: November 30, 2021
    Assignee: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Xin Jin, Chun Ren
  • Patent number: 11180674
    Abstract: The present invention relates to a powder coating composition for preparing a dielectric coating. The powder coating composition includes: (a) an epoxy functional polymer; (b) a poly-carboxylic acid functional polyester polymer reactive with the epoxy functional polymer and which has an acid value of less than 100 mg KOH/g; and (c) a poly-carboxylic acid functional (meth)acrylate polymer reactive with the epoxy functional polymer. Further, if a colorant is present, the powder coating composition comprises 35 weight % or less of the colorant, based on the total solids weight of the coating composition.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: November 23, 2021
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Anthony Michael Chasser, Paul F. Cheetham, Holli Allison Gonder, Stacey Lynn Orzech, Brian Edward Woodworth, Brent Allen Schwartz, Kevin Lee Ford
  • Patent number: 11174386
    Abstract: A resin composition includes: (A) a vinyl-containing polyphenylene ether resin; (B) a resin of Formula (1); and (C) an inorganic filler. Moreover, also provided is an article made from the resin composition described above, which comprises a prepreg, a resin film, a laminate or a printed circuit board, wherein the article achieves improvement in at least one of the following properties: dissipation factor, comparative tracking index, X-axis thermal expansion coefficient, and temperature coefficient of dielectric constant.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: November 16, 2021
    Assignee: Elite Electronic Material (Kunshan) Co., Ltd.
    Inventors: Chenyu Shen, Yan Zhang, Jue Tan, Rongtao Wang, Chen-Yu Hsieh
  • Patent number: 11168189
    Abstract: The present invention provides thermosetting resin pre-impregnated or infused fiber materials or prepregs comprising a fiber material of a heat resistant fiber, such as a continuous fiber material or a discontinuous chopped fiber mat, infused with a thermosetting resin mixture comprising (i) at least one liquid epoxy resin; (ii) at least one epoxy novolac resin, (iii) dicyandiamide and (iv) and an adduct of a cycloaliphatic amine and a liquid epoxy resin, wherein the dicyandiamide is dissolved in the adduct of a cycloaliphatic amine and a liquid epoxy resin. The prepreg or fiber material has a shelf life of at least 30 days at ambient temperature and pressure before its Initial Tg (DSC) rises above 40° C.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: November 9, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Bharati Balijepalli, David H. Bank, Rajesh H. Turakhia
  • Patent number: 11161970
    Abstract: The purpose of the present invention is to provide: an EVOH resin-based composition (pellet) which has a desired melt viscosity without increasing the boron content, thereby being effective for surging prevention; and a method for producing the resin composition. The EVOH-based resin composition contains a boric acid compound and the boric acid compound contains tetracoordinated boron. An EVOH-based resin paste containing a boric acid compounds is brought into contact with an aqueous solution containing a boric acid compound and alkali metal salt at an elevated temperature and an elevated pressure so that the amount of alkali metal salt is from 300 to 1000 ppm based on the EVOH-based resin paste, thereby converting the boron of the boric acid compound to tetracoordinated structure.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: November 2, 2021
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Nobuaki Sato, Taiji Kanda, Ayano Nakashima
  • Patent number: 11155718
    Abstract: A light reflective coating for an audio product, including the following parts by weight of constituents: 15-35 parts by weight of resin, 15-35 parts by weight of glass beads, 20-40 parts by weight of aluminum beads, 5-15 parts by weight of a solidifying agent, 10-25 parts by weight of a solvent and 1-8 parts by weight of an additive. The present invention further includes a method for preparing the light reflective coating for an audio product, adopts organic macromolecular materials having good comprehensive performances to perform optimization and combination, and improves the light reflective performance of the combination. The coating prepared with the method of the present invention has a flat, fine and smooth surface, has good gloss retention, and can satisfy the use requirements of an audio product coating for anti-corrosion, anti-weathering and the like.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: October 26, 2021
    Assignee: TYMPHANY ACOUSTIC TECHNOLOGY (HUIZHOU) CO., LTD.
    Inventors: Xiaochun Guo, Liwen Tan, Cheng Ho
  • Patent number: 11155687
    Abstract: Varnish compositions and prepregs and laminates made therefrom wherein the varnish compositions include at least one first epoxy resin and at least one second epoxy resin that includes a bisphenol-A novolac epoxy resin and a harder wherein the at least one first epoxy resin and the at least one second bisphenol-A novolac epoxy resin are present in the varnish at a weight ratio ranging from about 1:1 to about 1:3.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 26, 2021
    Assignee: Isola USA Corp.
    Inventors: David Bedner, Tarun Amla
  • Patent number: 11149108
    Abstract: The present invention relates to formulations including a self-assembly monomer. In particular embodiments, the self-assembly monomer provides a thermoset having beneficial viscoelastic properties for printing methodologies. Methods of making and using such formulations are also provided.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: October 19, 2021
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventors: Kylie Manning, Mathias C. Celina, Adam Cook
  • Patent number: 11141715
    Abstract: The present disclosure provides a method for fabricating a heterogeneous nickel-based catalyst on an aluminum oxide support. The method includes a solution preparation step, a drop-cast step, a first calcining step, and a second calcining step. The solution preparation step is provided for preparing a precursor solution. The drop-cast step is provided for dropping the precursor on the support. The first calcining step is provided for obtaining an oxidation state catalyst. The second calcining step is provided for obtaining the heterogeneous nickel-based catalysts on aluminum oxide support.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: October 12, 2021
    Assignees: National Tsing Hua University, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., Ltd., Darien Chemical Corp.
    Inventors: De-Hao Tsai, Hung-Yen Chang, Guan-Hung Lai, Chih-Yuan Lin, Chun-Yu Lee, Chih-Cheng Chia, Chuen-Lih Hwang, Huan-Ming Chang
  • Patent number: 11136454
    Abstract: The present invention provides a thermosetting resin composition containing (A) a maleimide compound, (B) an epoxy resin having at least two epoxy groups in one molecule, (C) a copolymer resin having a structural unit derived from an aromatic vinyl compound and a structural unit derived from a maleic anhydride, (D) a silica treated with an aminosilane coupling agent, and (E) a flame retardant dispersion.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: October 5, 2021
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Keisuke Kushida, Hiroshi Shimizu, Minoru Kakitani, Yoshikatsu Shiraokawa, Tatsunori Kaneko
  • Patent number: 11130861
    Abstract: A novel soluble polyfunctional vinyl aromatic copolymer capable of yielding a cured product or molded body having improved heat resistance, compatibility, dielectric properties, wet heat reliability and resistance to thermal oxidative degradation. Disclosed herein is a soluble polyfunctional vinyl aromatic copolymer containing structural units derived from a divinyl aromatic compound (a), styrene (b), and a monovinyl aromatic compound (c) other than styrene. The copolymer includes structural units made up of an unsaturated hydrocarbon group represented by Formula (a1) and derived from the divinyl aromatic compound (a); and the copolymer includes, at terminals thereof, predetermined amounts of specific terminal groups having a vinyl group or a vinylene bond derived from monomers (a), (b), and (c). Also disclosed is a method for producing the copolymer.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: September 28, 2021
    Assignee: NIPPON STEEL Chemical & Material Co., Ltd.
    Inventors: Masanao Kawabe, Shinichi Iwashita