Patents Examined by Jeffrey S Lenihan
  • Patent number: 10738188
    Abstract: Disclosed is a linear low-density polyethylene grafted with maleic anhydride (MAH-g-LLDPE). The MAH-g-LLDPE has a unique combination of properties including a low density and a high melt index.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: August 11, 2020
    Assignee: Westlake Longview Corporation
    Inventors: John H. Brindle, Jr., Richard K. Stuart, Jr., James H. Scott, David B. Conner, Kevin J. Taylor, Scott T. Trochim
  • Patent number: 10730988
    Abstract: Modified polyolefin particles are obtained by grafting a monomer having an ethylenically unsaturated group and a polar functional group in the same molecule to a polymer including one, or two or more specific ?-olefins and having a specific melting point, the modified polyolefin particles satisfying the following requirements (1) to (3): (1) the amount of grafting x by the monomer is not less than 0.5 wt % and not more than 20 wt %; (2) the x (wt %) and the intrinsic viscosity [?] (dl/g) measured in decalin at 135° C. satisfy the relation: log10[?]?0.1?0.15x; and (3) the particles have a gel content of less than 1 wt %.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: August 4, 2020
    Inventors: Ryohei Shiga, Keiichi Ikeda, Kazuto Sugiyama, Takeharu Isaki, Masayoshi Aoki
  • Patent number: 10732321
    Abstract: The invention provides a class of block copolymers having a plurality of chemically different blocks, at least a portion of which incorporating polymer side chain groups having a helical secondary structure. The invention also provides structures generated by self-assembly of polymer blends including at least one block copolymer component, such as a brush block polymer or wedge-type block polymer. The invention provides, for example, periodic nanostructures and microstructures generated by self-assembly of block copolymers and polymer blends comprising a mixture of at least one block copolymer component, such as a brush block copolymer, and at least a second component.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: August 4, 2020
    Assignee: California Institute of Technology
    Inventors: Garret M. Miyake, Raymond Weitekamp, Robert H. Grubbs, Victoria Piunova
  • Patent number: 10717835
    Abstract: A block copolymer, an ion-exchange membrane including the block copolymer and a method of preparing the block copolymer are provided. The block copolymer may include a hydrophobic repeating unit and a hydrophilic repeating unit.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: July 21, 2020
    Inventors: Byungchan Bae, Sung-Dae Yim, Chang-Soo Kim, Won-Yong Lee, Gu-Gon Park, Tae-Hyun Yang, Seok-Hee Park, Minjin Kim, Young-Jun Sohn, Seung-Gon Kim, Dong Won Shin, Adam Febriy-Anto Nugraha
  • Patent number: 10717859
    Abstract: The present invention relates to a composition for preparing a SAN copolymer, a SAN copolymer, a preparation method therefor, a heat-resistant ABS resin blend comprising the same, and heat-resistant ABS pellets. Specifically, the present invention provides a composition for preparing a SAN copolymer, the composition comprising a monomer mixture, and ethylene glycol dimethacrylate as a chain extender, wherein the monomer mixture comprises 60 to 75 wt % of an ?-methylstyrene monomer and 25 to 40 wt % of an acrylonitrile-based monomer based on the total weight of the monomer mixture; and the ethylene glycol dimethacrylate is contained in an amount of 0.001 to 0.15 parts by weight based on 100 parts by weight of the monomer mixture.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Gyu Sun Kim, Chang Hun Han, Dae Woo Lee, Jae Bum Seo, Jung Tae Park, Eun Jung Choi, Byoung Il Kang, Da Eun Sung
  • Patent number: 10711073
    Abstract: A method of making a branched polymer comprising (C?C)—(C?C)—CO groups is provided. The method comprises: (i) Providing, in admixture, at least one monofunctional monomer comprising one polymerisable carbon-carbon double bond per monomer, at least one multifunctional monomer comprising at least two polymerisable carbon-carbon double bonds per monomer, at least one chain transfer agent comprising a carbonyl group; (ii) Forming a polymer from the mixture; and (iii) Hydrolysing the polymer. A branched polymer is further provided.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: July 14, 2020
    Inventors: Peter Shaw, Jon Batty, Virginie Chabrol, Monika Farrell, Lena Sambe
  • Patent number: 10703890
    Abstract: Crosslinkable interpolymer blends comprising ethylene monomer residues, residues of comonomers having carboxylic acid and/or carboxylic acid anhydride functionality, and residues of comonomers having epoxide functionality, a peroxide initiator, and optionally a crosslinking catalyst, which, in embodiments, cure to a gel content of greater than (>) 50 wt % within less than 1.5 minutes at 200˜C, and require little or no degassing after crosslinking.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: July 7, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Dakai Ren, Kyoung moo Koh, Thomas H. Peterson, Tanya N Singh-Rachford, Mark A. Rickard, Jeffrey M. Cogen, Yabin Sun
  • Patent number: 10703897
    Abstract: The present application relates to a block copolymer and its use. The present application can provides a block copolymer that has an excellent self assembling property or phase separation property and therefore can be used in various applications and its use.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: July 7, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jeong Kyu Lee, Sung Joon Oh, Yeon Joo Kang, Jung Keun Kim, In Young Song, Sung Soo Yoon
  • Patent number: 10696827
    Abstract: The invention is directed to a composition comprising 90.00 to 99.95 wt % of a polyolefin and 0.05 to 10.00 weight % of an antimicrobial additive based on the total weight of the polyolefin composition wherein the antimicrobial additive comprises a phenolic group and wherein a carrier for the antimicrobial additive is present. The antimicrobial additive may be dispersed through the polyolefin composition. Preferred antimicrobial additives include for example eugenol, isoeugenol, thymol, carvacrol, sesamol, curcumin, p-hydroxybenzoic acid, gallic acid and its ester derivatives (propyl gallate, octyl gallate and dodecyl gallate), ferulic acid, syringic acid, coumaric acid, protocatechuic acid, caffeic acid and/or tannic acid.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: June 30, 2020
    Inventors: Jerome Vachon, Mark Johannes Boerakker, AT Kavya, Ajay Kumar Taraiya, Satishkumar Mahanth, Roshan Kumar Jha
  • Patent number: 10696826
    Abstract: The invention is directed to bimodal polyethylene having a flow ratio FRR ranging between ?30 and ?40, a density ranging between ?949.0 and ?952.0 kg/m3, an MFR190/5 ranging between ?0.1 and ?0.2 g/10 min and comprising from 50 to 54% by weight of an ethylene homopolymer A and from 46-50% by weight of an ethylene-butene copolymer B, where all percentages are based on the total weight of the composition and wherein ethylene homopolymer A has a viscosity number ?70 and ?100 cm3/g and a density between ?968 and ?972 kg/m3. The polyethylene is suitable to be applied in the production of pipes.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: June 30, 2020
    Inventors: Priya Garg, Nicolaas Hendrika Friederichs, Tom Schoffelen
  • Patent number: 10662265
    Abstract: Polymer of formula (1) bearing an alkoxysilane end group: in which: is a double or single bond; each of R1, R2, R3, R4, R5 and R6 is H, a halo, an alkoxycarbonyl or an alkyl, m and p are each from 0 to 5, each of R and R? is an alkyl, Z is an alkylene, optionally interrupted with COO, q is 0 or 1, r is 0, 1 or 2, and n is such that the number-average molar mass of the polymer (1) is from 400 to 50 000 g/mol, and the polydispersity index of the polymer (1) is from 1.0 to 2.0. Preparation by ring-opening metathesis polymerization. Use as an adhesion promoter or a reactive plasticizer.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: May 26, 2020
    Assignee: BOSTIK SA
    Inventors: Guillaume Michaud, Frederic Simon, Stephane Fouquay, Abdou Khadri Diallo, Sophie Guillaume, Jean-Francois Carpentier
  • Patent number: 10654992
    Abstract: The invention provides a rubber composition comprising at least a diene elastomer, at least 60 phr of a reinforcing inorganic filler, and 20 to 100 phr of a plasticizer comprising more than 4 phr of a mercapto-modified silicone oil.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: May 19, 2020
    Inventors: Boyong Xue, Michael Edward Dotson
  • Patent number: 10647804
    Abstract: The present invention provides a process for producing a durable, external surfactant free, cationic, water based jet ink polymer which when formulated into an ink, coating or film that results in a excellent adhesion to metal or plastic substrates. The hybridized copolymer comprises a hydrophobic functional polymeric backbone comprising a functional vinylchloride-containing polymer portion having an average molecular weight of from 15,000 to 200,000 g/mole and at least one polymer portion selected from the group consisting of a functional polyolefin and a functional polysiloxane. The hybridized copolymer also comprises a plurality of copolymeric side chains attached to the backbone, comprising a polymerizable amine-containing unsaturated monomer, and a polymerizable unsaturated monomer.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: May 12, 2020
    Assignee: PENN COLOR, INC.
    Inventors: Michael D. Spiegel, Charles B. Rybny
  • Patent number: 10639933
    Abstract: Provided are a rubber composition for treads which achieves a balanced improvement in fuel economy, abrasion resistance, and wet grip performance while offering good processability, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for treads containing: a polybutadiene; and a terpene resin having a glass transition temperature (Tg) of 40° C. to 90° C., the polybutadiene satisfying the following conditions (A), (B) and (C): (A) a ratio (Tcp/ML1+4, 100° C.) of 5% by mass toluene solution viscosity (Tcp) to Mooney viscosity (ML1+4, 100° C.) is 0.9 to 2.3; (B) a stress relaxation time (T80) is 10.0 to 40.0 seconds, which is a time required for torque to decay by 80%, where 100% represents torque at the end of a ML1+4, 100° C. measurement; and (C) a molecular weight distribution (Mw/Mn) is 2.50 to 4.00.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: May 5, 2020
    Inventor: Keiji Ikeda
  • Patent number: 10640690
    Abstract: Adhesive compositions are provided that contain a crosslink product resulting from exposure of a (meth)acrylic-based composition to electron beam radiation, gamma ray radiation, or both. More particularly, the (meth)acrylic-based composition includes a (meth)acrylic-based diblock copolymer and an optional (meth)acrylic-based triblock copolymer. These adhesive compositions are particularly well suited for application to biological surface such as skin.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: May 5, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Kiu-Yuen Tse, Michael D. Determan
  • Patent number: 10619072
    Abstract: The problem to be solved by the present invention is to provide urethane resin particles that, when used as a component of a coating composition, enable the resulting coating composition to have excellent storage stability and excellent degree of freedom of adjustment of physical properties of the obtained coating film. The present invention provides core-shell type urethane resin particles having a core-shell structure in which the core comprises a urethane resin obtained by using a polyol component comprising polyether polyol, whereas the shell comprises a urethane resin obtained by using a polyol component comprising polycarbonate polyol.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: April 14, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventor: Takashi Kanda
  • Patent number: 10619011
    Abstract: A water-absorbing resin having a high swollen gel elastic modulus, a high swelling capacity and a method for producing the same are provided where the water-absorbing resin includes a water soluble unsaturated monomer having a dissociable group, an internal crosslinked structure index expressed by the following numerical formula of 14 or more, a weight average molecular weight (Mw) after a hydrolysis treatment of 220,000 or less, and a molecular weight distribution (Mw/Mn) after a hydrolysis treatment of 3.40 or less: Crosslinked structure index=(Equilibrium swelling capacity with respect to 0.9 wt % physiological saline solution1/3/(Weight average molecular weight (Mw) after hydrolysis treatment)×1000000; where the hydrolysis treatment leaves 50 mg of the water-absorbing resin as a solids content to stand still in 10 g of a 0.1 mol/l aqueous sodium hydroxide solution for 3 weeks at 80° C., and the weight average molecular weight (Mw) is measured after the treatment.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: April 14, 2020
    Inventors: Kazuyuki Oshima, Yoshiro Mitsukami, Taku Fujimoto, Erina Minami
  • Patent number: 10611904
    Abstract: The present invention provides vinyl halide polymer thermoplastic polymer compositions comprising a multi-stage, or, preferably, two-stage acrylic copolymer polymeric additive having (A) a high Tg, high molecular weight first stage polymer that is free of, in copolymerized form, vinyl aromatic monomers, and having (B) a low Tg, low molecular weight second stage polymer of copolymerized vinyl aromatic containing monomers, wherein the multi-stage acrylic copolymer can be isolated by coagulation and drying and provides compositions having both melt strength and lubrication in thermoplastic processing.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: April 7, 2020
    Assignee: Rohm and Haas Company
    Inventors: Michael T. Petr, Paul R. Van Rheenen
  • Patent number: 10611870
    Abstract: The present application pertains to a production method for a polymer, including a step for polymerizing a starting material composition (I) that includes: a monomer mixture (I-1) containing a macromonomer (a) represented by the following formula (1), and (b) a vinyl monomer; and 0.01 to 5 parts by mass of a non-metallic chain transfer agent with respect to 100 parts by mass of the monomer mixture (I-1); a polymer obtained by the production method; and a molded article. According to the present invention, there can be provided a polymer having exceptional resistance to dwell-induced degradation, and a molded article having exceptional yellowing resistance, a low haze value, and exceptional pliability.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: April 7, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kousuke Fujiyama, Masanari Nishimura, Shingo Hikita, Fuminori Nakaya, Taeko Oonuma, Tetsuya Noda
  • Patent number: 10603251
    Abstract: A kit for providing a polymerizable resin system is disclosed, which kit comprises a first Part A and a second Part B, which Part A and Part B upon mixing provides a working period of intermediate stage polymerization in which the mixture obtains a desired cohesiveness for a predetermined period of time. The first Part A comprises an acid and the second Part B comprises an organic compound that is water soluble or partially water soluble and that, in the presence of the acid, initiates curing of polymerizable monomer and/or resin that is present in Part A, Part B, or both. Also disclosed is a method of using the mixed composition as an adhesive, cement, glue, sealant, a base liner, a capping agent, a material for surface or structural repair and/or filling, an encasing material, a bodily implant, a dental material, and/or as a polymeric object having a living polymer surface property.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: March 31, 2020
    Inventor: Weitao Jia