Patents Examined by Michael J. Feely
  • Patent number: 10682732
    Abstract: A composition for use in an electronic assembly process, the composition comprising a filler dispersed in an organic medium, wherein: the organic medium comprises a polymer; the filler comprises one or more of graphene, functionalized graphene, graphene oxide, a polyhedral oligomeric silsesquioxane, graphite, a 2D material, aluminum oxide, zinc oxide, aluminum nitride, boron nitride, silver, nano fibers, carbon fibers, diamond, carbon nanotubes, silicon dioxide and metal-coated particles, and the composition comprises from 0.001 to 40 wt. % of the filler based on the total weight of the composition.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: June 16, 2020
    Inventors: Ramakrishna Hosur Venkatagiriyappa, Morgana De Avila Ribas, Barun Das, Harish Hanchina Siddappa, Sutapa Mukherjee, Siuli Sarkar, Bawa Singh, Rahul Raut, Ranjit Pandher
  • Patent number: 10682791
    Abstract: A curable composition for liquid resin infusion (LRI) and a manufacturing process for producing a molded article. The curable composition includes: a) no more than 5.0 wt % of a thermoplastic polymer; b) no more than 5.0 wt % of nano-sized core-shell particles; c) no more than 5.0 wt % of nano-sized inorganic particles; d) an epoxy resin component; and e) one or more amine curing agent(s), wherein the initial viscosity of said curable composition is no more than 5 Poise at a temperature within the temperature range of from about 80° C. to about 130° C.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: June 16, 2020
    Assignee: Cytec Industries Inc.
    Inventors: Jonathan E. Meegan, Olivia Denman, Marco Aurilia
  • Patent number: 10676837
    Abstract: An electrocoating composition and a coating formed from the composition are described herein. The electrocoating composition includes at least an epoxy resin component, an isocyanate-functional component and a silica-based additive. The coating shows about 40 to 70% reduction in edge corrosion relative to a conventional coating.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: June 9, 2020
    Assignee: SWIMC LLC
    Inventor: Jill Tersteeg
  • Patent number: 10662281
    Abstract: A curable resin composition containing: (a) at least one resin; and (b) curative selected from the group consisting of (i) a mixture of at least one low temperature curative and at least one high temperature curative or (ii) a curative that has a low temperature curative part and a high temperature curative part wherein the amount of the low temperature curative is sufficient to cause enough resin-curative addition reaction to effect B-staging in the full resin-curative formulation, the amount of the high temperature curative is sufficient to cause the resin to cure catalytically but insufficient to cause resin-curative addition reaction in the final cure, and the ratio of the resin (a) to the curative (b) is greater than or equal to about 5. The present composition may be used to make prepregs for automotive or aerospace application.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: May 26, 2020
    Inventor: Ian Aspin
  • Patent number: 10662325
    Abstract: The present invention relates to a polymer composition comprising a thermoplastic polyester and a propylene-based elastomer, wherein the propylene-based elastomer comprises propylene-derived units and 5 to 30 wt % of ?-olefin-derived units, and has a melting temperature of less than 120° C. and a heat of fusion of less than 75 J/g.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: May 26, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Ying Ying Sun, Yi Ping Ni, Pei Te Bao, Yi Zhou Shi, Xiaoyun Wang
  • Patent number: 10647835
    Abstract: This disclosure relates to wear-resistant rubber compositions, such as those, for example, comprising at least one hydroxy-terminated polybutadiene, at least one natural rubber, at least one polymerization accelerant; at least one sulfur; and at least one polybutadiene, wherein the wear-resistant rubber composition may have an effective cross-linking density of at least about 30×10?5 moles/cm3.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: May 12, 2020
    Assignee: Weir Slurry Group, Inc.
    Inventors: Francisco A. Gozalo, Sanford W. Clark, Tham Meng, Timothy Lane
  • Patent number: 10647897
    Abstract: The present disclosure is directed to a precursor composition for a curable adhesive, the precursor comprising: a) a part (A) comprising: i. a first epoxy curing agent comprising at least one polyether amine and having an amine equivalent weight of at least 45 grams per mole of amine equivalents; ii. a second epoxy curing agent distinct from the first epoxy curing agent; iii. a metal nitrate catalyst; iv. optionally, a metal triflate catalyst; and b) a part (B) comprising: i. an epoxy resin; ii. a filler material; iii. an epoxy-based reactive diluent; and iv. optionally, a core-shell polymer toughening agent; and wherein the amount of filler material is selected such as to provide the part (B) with a hysteresis area of at least 30 Pa×1/s, when measured at 23 C according to the test method described in the experimental section.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: May 12, 2020
    Assignee: 3M Innovative Properties Company
    Inventor: Mareike Bardts
  • Patent number: 10647875
    Abstract: Provided is a thermally curable coating composition for alloy substrates, comprising: curable components, comprising an epoxy resin and a multifunctional (meth)acrylate; latent curing agents, which crosslink with the curable components upon heating, and comprise an isocyanate having at least two NCO groups and an amino resin; a curing promoter, comprising an aromatic phosphate comprising at least one hydroxy group connected with the phosphorous atom; and an organic solvent. Also provided are a method for providing a coating layer onto an alloy substrate and a coating layer thus obtained.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: May 12, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Yong-Jun Li, Steven Zhu, Army Zhang, Herbert Liu
  • Patent number: 10647849
    Abstract: The present invention provides an epoxy resin composition comprising at least the following component [A], component [B] and component [C], the epoxy resin composition being characterized in that: the mixture of component [A] and component [B] is a mixture that, when temperature is increased at 2° C./min, begins to thicken at temperature (T1) and completes thickening at temperature (T2), temperature (T1) being 80-110° C. and temperature (T1) and temperature (T2) satisfying the relationship of expression (1) 5° C.?(T2?T1)?20° C. expression (1); and the mixture of component [A] and component [C] is a mixture that, when temperature is increased at 2° C./min, begins to cure at temperature (T3), temperature (T1) and temperature (T3) satisfying the relationship of expression (2) 5° C.?(T3?T1)?80° C. expression (2). Component [A]: epoxy resin Component [B]: thickening particle Component [C]: curing agent.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: May 12, 2020
    Assignee: TOHO TENAX CO., LTD.
    Inventors: Toru Kaneko, Yuko Okano
  • Patent number: 10647877
    Abstract: A curable composition includes specific amounts of a ketone, a curable component, and particulate poly(phenylene ether) having a mean particle size of 3 to 12 micrometers and a particle size relative standard deviation of 20 to 60 percent. The composition has a low viscosity that facilitates wetting of reinforcing structures, and composites formed from the composition and a reinforcing structure cure to form a dielectric material with a low dielectric constant and loss tangent.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: May 12, 2020
    Inventors: Eylem Tarkin-Tas, Edward Norman Peters
  • Patent number: 10640427
    Abstract: A method for making a coating composition by mixing one or more latex polymers and an aliphatic epoxy resin system having an epoxy equivalent weight less than 1000 and being distinct from the one or more latex polymers to provide an aqueous first component, and providing a second component having reactive groups that can react with the one or more epoxy resins. A mixture of the first and second components provides a film-forming curable coating composition that may be used on substrates including cement, cement fiberboard, wood, metal, plastic, ceramic, glass and composites.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: May 5, 2020
    Inventors: Archie W. Garner, T. Howard Killilea, Carl L. Cavallin, Todd A. Peterson, Kevin W. Evanson, Dan Hartinger, Larry B. Brandenburger
  • Patent number: 10632071
    Abstract: Disclosed is a preparation method for charge reversal and reversibly crosslinked redox-sensitive nanomicelles, falling within the technical field of biomedical materials. The method comprises: synthesizing thiocinamide from lipoic acid and ethylenediamine under an N,N?-carbonyl diimidazole catalyst; and polymerizing thiocinamide, polyethylene glycol diglycidyl ether and lysine through a nucleophilic addition mechanism to prepare a poly(lysine-co-polyethylene glycol diglycidyl ether-co-thiocinamide) terpolymer. The micelle is endowed with excellent anti-protein nonspecific adsorption and enhanced cell uptake property through a self-assembly and protonation/deprotonation action; and a disulfide bond in lipoyl may form a linear polydisulfide structure under the action of 1,4-dithiothreitol, so that a micelle core is crosslinked, and a crosslinked structure is destroyed in the cell under a redox condition, and controlled release of a drug can be achieved.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: April 28, 2020
    Inventors: Liping Zhang, Ren Liu, Caihua Ni, Yuanyuan Ding, Gang Shi, Xinxin Sang
  • Patent number: 10618224
    Abstract: The present invention relates to a method for welding two polyamide plastics using a primer, the primer containing at least one polymer synthesized from at least one maleic anhydride or maleic anhydride derivative. The invention also relates to correspondingly welded products.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: April 14, 2020
    Assignee: Henkel AG & Co. KGaA
    Inventors: Pablo Walter, Norman Friedrich, Lina Gonzalez, Hendrik Luetzen, Thomas Haertig
  • Patent number: 10604619
    Abstract: An elastomer is provided, which is a product of reacting C4-12 lactam, poly(C2-4 alkylene glycol), C4-12 diacid, and multi-ester aliphatic monomer. The C4-12 lactam and the poly(C2-4 alkylene glycol) have a weight ratio of 20:80 to 80:20. The total weight of the C4-12 lactam and the poly(C2-4 alkylene glycol) and the weight of the C4-12 diacid have a ratio of 100:0.5 to 100:10. The total weight of the C4-12 lactam and the poly(C2-4 alkylene glycol) and the weight of the multi-ester aliphatic monomer have a ratio of 100:0.01 to 100:5.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: March 31, 2020
    Inventors: Sheng-Lung Chang, Jen-Chun Chiu, Yung-Chan Lin, Chih-Hsiang Lin, Chien-Ming Chen
  • Patent number: 10597412
    Abstract: The present invention relates to a novel epoxy compound, a method for preparing same, a composition and cured product comprising same, and use thereof, wherein the compound shows excellent heat-resistant properties—specifically, a low thermal expansion property and a high glass transition temperature (including Tg-less which does not show a glass transition temperature), a flame retardant property and processability—specifically, a viscosity-control property, does not require a separate silane coupling agent, and has improved brittleness in a composite. According to one aspect of the present invention, provided are: an epoxy compound having at least one non-reactive silyl group, alkenyl group or combination thereof together with at least two epoxy groups and at least one alkoxysilyl group; a method for preparing the epoxy compound through alkoxysilylation and alkylsilylation; an epoxy composition comprising same; and a cured product.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: March 24, 2020
    Inventors: Sang-Yong Tak, Hyun-Aee Chun, Yun-Ju Kim, Sung-Hwan Park, Su-Jin Park, Sook-Yeon Park, Hak-Jun Lee
  • Patent number: 10590250
    Abstract: Provided are an fiber-reinforced plastic molding material having a satisfactory handling property, long storage stability, and high moldability enabling shaping into even a complicated shape, and a molded article thereof having excellent heat resistance, mechanical strength, and a method of producing the same. The fiber-reinforced plastic molding material includes a matrix resin containing, as an essential component, a phenoxy resin being solid at ordinary temperature and having a melt viscosity of 3,000 Pa·s or less at anywhere in the temperature region of from 160° C. to 220° C., with an epoxy resin and across-linking agent being blended as desired, in which the matrix resin is turned into fine powder having an average particle diameter (d50) of from 10 ?m to 150 ?m, and the matrix resin is caused to adhere to a reinforcing fiber base material by powder coating so as to achieve a resin content of from 20% to 50%.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: March 17, 2020
    Inventors: Akihisa Otsuki, Hiroyuki Takahashi, Hideki Andoh
  • Patent number: 10590309
    Abstract: A polyacrylate-polyolefin copolymer and composition for volatile solvent-free coating comprising such compounds having the following structure: wherein “PO” is a polyolefin having a number average molecular weight of at least 300 g/mole, and “Ar” is selected from the group consisting of C6 to C20 aryls, a C7 to C32 alkylaryls, a C6 to C20 aryloxys, and halogen substituted C6 to C20 aryls and C7 to C32 alkylaryls, while the other variables are as described herein. The copolymers can be produced in an alkylation reaction between the desired polyacrylate and a vinyl/vinylidene-terminated polyolefin.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: March 17, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Wei Tang, Andy H. Tsou
  • Patent number: 10577455
    Abstract: This epoxy resin composition contains an epoxy resin (A) having at least three glycidyl groups in the molecule, an epoxy resin (B) having at least one sulfur atom in the molecule, and an imidazole compound (C) containing at least one of 2-phenyl-4,5-dihydroxymethyl imidazole and 2-phenyl-4-methyl-5-hydroxymethyl imidazole.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: March 3, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Atsushi Nohara, Yasushi Suzumura
  • Patent number: 10577472
    Abstract: Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts that are designed to tolerate hot and wet conditions. The prepreg includes fibers and an uncured resin. The uncured resin includes an epoxy component that is a combination of a trifunctional epoxy resin, a tetra functional epoxy resin and a solid epoxy resin. The resin includes polyethersulfone and a thermoplastic particle component. The uncured resin also includes a curing agent.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: March 3, 2020
    Inventors: Yen-Seine Wang, Gordon Emmerson
  • Patent number: 10563026
    Abstract: A heat-shrinkable polyester film is made from a polyester resin composition which includes an amorphous polyalkylene benzenedicarboxylate resin and a polyester elastomer resin. The polyester elastomer resin includes hard segments and soft segments, and is prepared by copolycondensation of an aromatic dicarboxylic acid and a diol component. The diol component includes a C2-C4 alkylene glycol for the hard segments and a polyethylene glycol with an average molecular weight not greater than 400 for the soft segments. The soft segments of the polyester elastomer resin are in an amount ranging from 1 part by weight to 2 parts by weight based on 100 parts by weight of the polyester resin composition.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: February 18, 2020
    Assignee: Far Eastern New Century Corporation
    Inventors: Li-Ling Chang, Chun-Chia Hsu, Shu-Chuan Lee, Roy Wu