Patents Examined by Michael J. Feely
  • Patent number: 11078324
    Abstract: A seal material composition according to the present invention includes: an epoxy compound including an epoxy group; and a polymerizable epoxy curing agent including a polymerizable functional group configured for cross-linking the epoxy groups and for radical polymerization in a single molecule.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: August 3, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masanobu Mizusaki, Tadashi Ohtake
  • Patent number: 11078359
    Abstract: A biopolymer blend is provided that comprises a combination of three components: poly (butylene adipate-co-terephthalate) (PBAT); agriculture sourced polylactic acid (PLA); and engineered proteinaceous eggshell nanoparticles. The two polymer components can be present in any ratio but an approximate 70:30 ratio is preferred. The engineered proteinaceous eggshell nanoparticles are preferably about 10-25 nanometers. Also provided are methods of preparing biopolymer film and packaging components. Pelleted poly (butylene adipate-co-terephthalate) and agriculture sourced polylactic acid (PLA) are dissolved in chloroform and mixed together to form a polymer blend, and engineered proteinaceous eggshell nanoparticles are incorporated into the polymer blend, which is then extruded to create a biopolymer film or component.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: August 3, 2021
    Assignee: TUSKEGEE UNIVERSITY
    Inventors: Vijaya Rangari, Boniface Tiimob
  • Patent number: 11078382
    Abstract: A two-component solventless adhesive composition is disclosed, the adhesive composition comprising an isocyanate component comprising at least one isocyanate, and a polyol component comprising at least one amine-initiated polyol having a functionality of from 3 to 8 and a hydroxyl number of from 20 to 1,000, wherein the first and second components are formulated to be applied to separate substrates before being brought together. Further, a method for forming a laminate is disclosed, the method comprising uniformly applying the isocyanate component to a first substrate, uniformly applying the polyol component to a second substrate, bringing the first and second substrates together, thereby mixing and reacting the isocyanate component and the polyol component to form an adhesive between the first and second substrates, and curing the adhesive to bond the first and second substrates. Still further, a laminate formed by the method is disclosed.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: August 3, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Jie Wu, Rui Xie, Kalyan Sehanobish
  • Patent number: 11066550
    Abstract: Polyether-epoxide polymer compositions are disclosed. The compositions comprise a reaction product of a polyepoxide compound and a polyol composition comprising a polyether polyol. The ratio of epoxy equivalents to hydroxyl equivalents is within the range of 0.5:1 to 3:1. The polyether-epoxide composition has a Tg within the range of ?40° C. to 60° C. The polyether polyol has a hydroxyl value within the range of 150 to 800 mg KOH/g and an average hydroxyl functionality within the range of 3.5 to 8.0. In some aspects, the polyol composition further comprises a polyester polyol. Low- and elevated-temperature processes catalyzed by bases or Lewis acids for making the polyether-epoxide compositions are also disclosed. In a simple yet innovative approach, a new class of polymers useful for coatings, elastomers, adhesives, sealants, and other valuable products is assembled from readily available starting materials without reliance on polyamines or polyisocyanates.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: July 20, 2021
    Assignee: STEPAN COMPANY
    Inventors: Warren A. Kaplan, Jennifer S. Westfall
  • Patent number: 11066583
    Abstract: Disclosed is a method for improving interfacial adhesion of an adhesive to unprimed substrates and an improved adhesive composition, involving admixing an adhesive with an adhesive modifier, where the modifier is at least partially soluble in the at least one adhesive and includes either a non-aromatic polyol or a molecule having at least one ortho-hydroxyl substitution on a benzene ring.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: July 20, 2021
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Ngon T. Tran, Matthew A. Bartucci, Joshua A. Orlicki, Daniel B. Knorr, Jr., Joseph L. Lenhart
  • Patent number: 11053347
    Abstract: A curing agent for epoxy resins, containing at least one amine adduct of formula (I) which can be obtained as an addition product of a mixture of a primary diamine, a monoalkylated other diamine and a polyepoxide. The curing agent makes it possible to produce low-odor, low-emission epoxy resin products, in particular coatings, which have a surprisingly low viscosity, a high curing rate, a high final hardness, and a surprisingly appealing surface.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: July 6, 2021
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Edis Kasemi, Andreas Kramer, Ursula Stadelmann, Urs Burckhardt
  • Patent number: 11046849
    Abstract: A thin film that is a result of polyaspartic secondary aliphatic diamines reacted with a low viscosity aliphatic polyisocyanate is provided. A unique feature of the films is the ability to tailor the dry time of this coating. Methods for making the film use a plural component spray machine that has an atomizer and a fluid housing connected to two pressurized and heated component tanks. A polyaspartic ester containing resin and aliphatic polyisocyanate mix through high pressure impingement within the spray machine. A reactant mixture exits the spray machine via the atomizer and forms a film on a surface that is tack free in about 5 minutes.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: June 29, 2021
    Assignee: LINE-X LLC
    Inventors: Elaheh Khani, Terry Pe
  • Patent number: 11041100
    Abstract: Two-component solventless polyurethane adhesive compositions comprising an isocyanate component and a polyol component comprising at least one highly-reactive amine-initiated polyol are disclosed. The at least one amine-initiated polyol comprises primary hydroxyl groups and a backbone incorporating one or more tertiary amines. The amine-initiated polyol further comprises a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s. The polyol component can further comprise a non-amine-initiated polyol. The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Still further, a laminate comprising the adhesive compositions is disclosed.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: June 22, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Daniele Vinci, Thorsten Schmidt
  • Patent number: 11034855
    Abstract: The present invention relates to a cationic electrodeposition coating composition containing a resin emulsion containing an aminated resin (A) and a blocked isocyanate curing agent (B), characterized in that a deposited electrodeposition coating film of the cationic electrodeposition coating composition has a coating film viscosity in a range of 5,000 to 1,000,000 mPa·s at 110° C., and a portion resulting from removal of a resin component from the deposited electrodeposition coating film of the cationic electrodeposition coating composition has a polarity term in a range of 2 to 30 mN/m.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: June 15, 2021
    Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
    Inventors: Tetsuya Ohara, Nobuhiro Miyamae, Yosuke Shimodaira, Toshio Inbe
  • Patent number: 11034833
    Abstract: The present invention relates to the technical field of composite materials comprising a thermosetting polymer matrix in which thermoplastic polymer and/or elastomer particles are dispersed. More precisely, the invention relates to a novel type of polymeric material obtained by using a particular ionic liquid as cross-linking agent for an epoxy resin mixed with a thermoplastic polymer and/or an elastomer. The invention also relates to a process for manufacturing said composite material and uses thereof, notably in the aeronautical, aerospace, automotive, maritime, wind power, electronics, or sports and leisure sectors.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: June 15, 2021
    Assignees: UNIVERSITE CLAUDE BERNARD LYON 1, UNIVERSITÉ JEAN MONNET SAINT ETIENNE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON
    Inventor: Sébastien Livi
  • Patent number: 11027458
    Abstract: The prepreg includes a first resin layer and a second resin layer disposed on both surfaces of the first resin layer. The first resin layer is a half-cured product of a first resin composition that includes a glass cloth impregnated with the first resin composition and contains no hexagonal boron nitride. The second resin layer is a half-cured product of a second resin composition containing hexagonal boron nitride. The glass cloth has a warp and weft weave density of 54 pieces/25 mm or more. The hexagonal boron nitride has an average particle size ranging from 10 ?m to 30 ?m. The hexagonal boron nitride is contained in an amount ranging from 20 parts by mass to 40 parts by mass relative to 100 parts by mass of a residual component other than the hexagonal boron nitride in the second resin composition.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: June 8, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroyuki Fujisawa, Kenichi Toshimitsu, Yoshihiko Nakamura
  • Patent number: 11028215
    Abstract: The present invention provides dopant-free conductive elastomeric polyurethanes that have broad biomedical application, including smart drug delivery, electronics and biomedicine. In various embodiments, a dopant-free conductive, elastomeric polyurethane is designed by covalently conjugating biodegradable segment, conductive segment and dopant molecule into one polymer chain. The dopant-free conductive polyurethanes according to various embodiments of the invention exhibit attractive mechanical properties, including bending, knotting, stretching and recoiling. The biodegradable, conductive elastomer also exhibit good electroactivity and electrical stability without extra dopant involvement.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: June 8, 2021
    Assignee: Board of Regents, The University of Texas System
    Inventor: Yi Hong
  • Patent number: 11021560
    Abstract: Novel thermolatent bases and their use as catalysts for the preparation of polyurethanes or epoxy resins are disclosed herein. A process for the preparation of polyurethanes or epoxy resins in the presence of the catalyst is also disclosed.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 1, 2021
    Assignee: BASF SE
    Inventors: Peter Nesvadba, Julio Albuerne, Lucienne Bugnon Folger, Frederique Wendeborn
  • Patent number: 11015020
    Abstract: An epoxy resin, comprising an epoxy compound, the epoxy compound comprising two or more structures represented by the following Formula (I) and at least one divalent biphenyl group: wherein, in Formula (I), each of R1 to R4 independently represents a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: May 25, 2021
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Tomoko Higashiuchi, Naoki Maruyama, Yuka Yoshida, Kazumasa Fukuda, Yoshitaka Takezawa
  • Patent number: 11014334
    Abstract: Methods for forming a laminate structure comprising a two-component solventless polyurethane adhesive compositions are disclosed. The adhesive composition is formulated such that each component is applied independently to corresponding substrates prior to the substrates being brought together to form the laminate structure. The adhesive compositions are highly-reactive and can comprise amine-initiated polyols or catalysts providing for fast curing. The amine-initiated polyols comprise a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40 C of from 500 to 20,000 mPa-s. The catalyst can be bismuth catalysts, zinc catalysts, zirconium catalysts, tin catalysts, and aluminum catalysts. Still further, a laminate formed according to the methods is disclosed.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: May 25, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Thorsten Schmidt, Daniele Vinci, Marco Frasconi
  • Patent number: 11008455
    Abstract: The invention relates to a dispersion comprising one or more protic solvents as dispersion medium and also, as base components dispersed therein, one or more matrix polymers, one or more epoxides, at least one kind of a modified compound of the polyamine adduct type which is insoluble in the epoxides, where the at least one modified polyamine adduct is in dispersion in particulate form, with 90% of the particles having a particle size in the range from 0.1 to 10 ?m as determined by laser diffractometry.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: May 18, 2021
    Assignee: TESA SE
    Inventors: Markus Brodbeck, Alexander Fischer, Marco Kupsky
  • Patent number: 11008490
    Abstract: A two-component solventless adhesive composition is disclosed, the adhesive composition comprising an isocyanate component comprising at least one isocyanate, and a polyol component comprising at least one amine-initiated polyol having a functionality of from 3 to 8 and a hydroxyl number of from 20 to 1,000. Further, a method for forming a laminate is disclosed, the method comprising forming a solventless adhesive composition comprising an amine-initiated polyol, applying a layer of the adhesive composition to a surface of a film, bringing the layer into contact with a surface of another film to form a laminate, and curing the adhesive composition. Still further, a laminate formed by the method is disclosed.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: May 18, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Jie Wu, Rui Xie
  • Patent number: 11001676
    Abstract: Disclosed are a supramolecular structure including a plurality of first oligomers having a zwitterion at the terminal end and a plurality of second oligomers having a hydrogen-bondable functional group at the terminal end, wherein a supramolecule including the plurality of first oligomers and a supramolecule including the plurality of second oligomers form a three-dimensional network structure, and a method of manufacturing the same, a self-healing elastomer, a self-healing film, and an electronic device.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: May 11, 2021
    Assignees: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION
    Inventors: Jae Woo Chung, Junhaeng Lee, Seayoung Lim, Sunghoon Jung, Yong Chae Jung, Seokhoon Ahn
  • Patent number: 10982040
    Abstract: The present invention provides an epoxy resin including a reaction product of 1,2,3-trihydroxybenzene and an epihalohydrin, the epoxy resin containing a cyclic compound that has acyclic structure containing, as constitutional atoms, two adjacent oxygen atoms derived from 1,2,3-trihydroxybenzene, the cyclic compound being contained in an amount of 0.040 to 0.115 mol based on 100 g of the epoxy resin. The epoxy resin can be an alternative as a biobased polymer, is liquid, and is excellent in thermal resistance.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 20, 2021
    Assignee: DIC Corporation
    Inventors: Nana Sugimoto, Koji Hayashi, Kunihiro Morinaga
  • Patent number: 10975238
    Abstract: Solvent free epoxy system that includes: a hardener compound H comprising: a molecular structure (Y1—R1—Y2), wherein R1 is an ionic moiety Y1 is a nucleophilic group and Y2 nucleophilic group; and an ionic moiety A acting as a counter ion to R1; and an epoxy compound E comprising: a molecular structure (Z1R2—Z2), wherein R1 is an ionic moiety, Z1 comprises an epoxide group, and Z2 comprises an epoxide group; and an ionic moiety B acting as a counter ion to R2. In embodiments, the epoxy compound E and/or the hardener H is comprised in a solvent-less ionic liquid. The systems can further include accelerators, crosslinkers, plasticizers, inhibitors, ionic hydrophobic and/or super-hydrophobic compounds, ionic hydrophilic compounds, ionic transitional hydrophobic/hydrophilic compounds, biological active compounds, and/or plasticizer compounds. Polymers made from the disclosed epoxy systems and their methods of used.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: April 13, 2021
    Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
    Inventors: Cody Friesen, Jose Antonio Bautista-Martinez, Mykhaylo Goncharenko, Paul Johnson