Patents Examined by Ling-siu Choi
  • Patent number: 12291625
    Abstract: The present invention relates to a cellulose-containing resin composition and a method of producing the same. The cellulose-containing resin composition includes cellulose nanocrystals containing, as cellulose, hemicellulose in an amount of 10 wt. % or less, and thereby the amount of VOCs released due to the cellulose can be reduced without using an additive, and a cellulose-containing resin composition having a lower TVOC amount than that of the resin itself can be provided.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: May 6, 2025
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Hideaki Nagahama, Yuuki Kinoshita
  • Patent number: 12291058
    Abstract: The present invention is directed to additive manufacturing compositions and methods for producing additive manufacturing composite blends with oxidized discrete carbon nanotubes with dispersion agents bonded to at least one sidewall of the oxidized discrete carbon nanotubes. Such compositions are especially useful when radiation cured, sintered or melt fused.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: May 6, 2025
    Assignee: MOLECULAR REBAR DESIGN, LLC.
    Inventors: Clive P. Bosnyak, Kurt W. Swogger, Steven Lowder, Olga Ivanova
  • Patent number: 12286503
    Abstract: The disclosed subject matter relates compounds of structure (I), and polymers of structure (II) having a polydispersity ranging from 1 to about 1.1, compositions comprising said polymers and a spin casting solvent, the process of forming a pinning layer selectively on metal with said composition and the process of using said pinning layers to affect chemoepitaxy directed self-assembly of an overlying block copolymer, and the subsequent process of pattern transfer of this self-assembled layer into a substrate by etching.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: April 29, 2025
    Assignee: Merck Patent GmbH
    Inventors: EunJeong Jeong, Durairaj Baskaran, Jihoon Kim
  • Patent number: 12281227
    Abstract: The invention relates to a rubber composition with enhanced curing and adhesion properties, comprising the following ingredients: R1—an elastomer or rubber E which is preferably a diene-based elastomer, R2—a particulate active filler which is preferably carbon black, or silica, or a combination of both, R3—a cobalt free curing or crosslinking or vulcanising system which includes sulphur, an active zinc composition ZnX having a specific surface area of from 10 m2/g to 100 m2/g, and accelerators, R4—a novolak composition NC which is a mixture of a novolak resin PA and a urethane-aldehyde resin UA?, and R5—a methylene donor, to a process to cure these rubber compositions, and to a method of use of these rubber compositions in engineered rubber products selected from the group consisting of hoses, pressure hoses, conveyor belts, gaskets, and tyres.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: April 22, 2025
    Assignees: L. Brüggemann GmbH & Co. KG, Allnex Germany GmbH
    Inventors: Ümit Özkütükcü, Anne Schulz, Stefan Mark, Ralph Schäfer
  • Patent number: 12281204
    Abstract: This document provides multiblock copolymers comprising: at least one block obtained from a polyester having an average MN of from about 2,000 to about 200,000, wherein the polyester contains one or more terephthalate units; and at least one block obtained from a polyolefin having an average MN of from about 2,000 to about 200,000. This document further provides methods of making and using the multiblock copolymers, and multilayer films, polymer blends, and molded articles comprising the multiblock copolymers.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: April 22, 2025
    Assignees: Regents of the University of Minnesota, Murray State University
    Inventors: Christopher John Ellison, Kevin Michael Miller
  • Patent number: 12281206
    Abstract: The present invention provides a polyrotaxane of high compatibility with silicones, such as silicone oil, a highly insulative polyrotaxane, and/or a material comprising said polyrotaxane. The present invention provides a polyrotaxane obtained by disposing blocking groups at both ends of a pseudopolyrotaxane, in which the opening in a cyclic molecule is clathrated in a skewered manner by a straight-chain molecule, so that the cyclic molecule does not escape, wherein the cyclic molecule comprises a first group represented by formula I (in formula I, X is a single bond or NH; n is 0 or 1; R is a straight-chain, branched, or cyclic alkyl group, alkenyl group, or alkynyl group comprising 12-20 carbon atoms, with some of the hydrogen in the alkyl group, alkenyl group, or alkynyl group being optionally substituted by an OH group, a CN group, or an NH2 group; and * is the position of the bond to the cyclic molecule).
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: April 22, 2025
    Assignee: ASM INC.
    Inventor: Katsunari Inoue
  • Patent number: 12264271
    Abstract: Pressure-sensitive adhesives, adhesive tapes, and methods enable high bond strengths on non-polar or rough substrates. The pressure-sensitive adhesives and methods comprise (a) at least one poly(meth)acrylate, (b) at least one resin A selected from colophony resins and terpene-phenolic resins, (c) at least one hydrocarbon resin B1 having a softening point of greater than 50° C., and (d) at least one hydrocarbon resin B2 having a softening point of less than or equal to 25° C. The adhesive tapes comprise one or more layers of the pressure-sensitive adhesives, and the methods may produce adhesive bonds on substrates with low surface energy and/or on substrates with a mean roughness of at least 5 ?m.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: April 1, 2025
    Assignee: tesa SE
    Inventors: Benjamin Pütz, Sarah Zimmermann
  • Patent number: 12264222
    Abstract: Disclosed herein is a method for preparing an antibacterial bio-filler for plastics and an antibacterial bio-filler for plastics, prepared thereby. More specifically a method for preparing an oleophilic antibacterial bio-filler for plastics from hydrophilic lignocellulosic biomass and an antibacterial bio-filler for plastics prepared thereby are provided.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: April 1, 2025
    Assignee: LIGNUM INC.
    Inventor: Sang-Hyun Lee
  • Patent number: 12258486
    Abstract: A composition for sealing/coating the edges of wood-fibre boards is provided. The composition includes at least one compound of general formula R1aSiX(4-a) (I), and/or their hydrolysis products. X is H, OH or a hydrolyzable group selected from alkoxy-, aryloxy-, and acyloxy-, R1 is an organic radical selected from the group including alkyl, aryl, and cycloalkyl, and R1 has at least one functional group Q1 selected from a hydroxy, amino, monoalkylamino, carboxy, mercapto, alkoxy, aldehyde, acrylic, acryloxy, methacrylic, methacryloxy, cyano, isocyano and epoxy group, and a=0, 1, 2, 3, The composition also includes at least one compound of general formula R2bSiX(4-b) (II), and/or their hydrolysis products. X has the above meaning, R2 is a non-hydrolyzable organic radical selected from alkyl, aryl, alkenyl, alkynyl, cycloalkyl, and cycloalkenyl, and b=1, 2, 3, or 4. The composition also includes at least one aqueous polymer dispersion.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 25, 2025
    Assignee: Flooring Technologies Ltd.
    Inventors: Norbert Kalwa, Andreas Gier
  • Patent number: 12252622
    Abstract: An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(?O)—CHR1-C(?O)—R2, —X—C(?O)—C?C—R2; or —X—C(?O)—CR1?CR2-NR11R12, with a compound B comprising at least two —NH2, —NH3+ or —N?C?O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and wherein compound A and/or B comprise a dispersing group. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous inkjet ink comprising the resin particles.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: March 18, 2025
    Assignee: Agfa-Gevaert NV
    Inventors: Tim Desmet, Johan Loccufier, Hubertus Van Aert, Ellen Bertels
  • Patent number: 12247123
    Abstract: Disclosed herein are polymeric compositions with low dielectric loss while maintaining high dielectric constant. The composition includes: a) at least one thermoplastic polymer; and b) graphite flakes that are coated with silica coating particles, wherein, the coated graphite flakes have a weight ratio of C:Si ranging from about 10:1-4:1, and the silica coating particles have an average diameter of about 80-400 nm.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: March 11, 2025
    Assignee: Celanese Polymers Holding, Inc.
    Inventor: Yunfeng Jiao
  • Patent number: 12240931
    Abstract: Provided are a preparation method of a nitrile-based rubber, a nitrile-based rubber prepared therefrom, and a rubber composition including the nitrile-based rubber, and the nitrile-based rubber has a low content of a residual emulsifier and excellent mechanical physical properties by using a emulsifier mixture including a first emulsifier including a sulfosuccinate ester-based compound, and a second emulsifier including a fatty acid or a metal salt thereof, or a rosin acid or a metal salt thereof, each of which has 12 to 18 carbon atoms and a monocarboxyl group, wherein the first emulsifier and the second emulsifier are included at a weight ratio of 2:1 to 6:1.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: March 4, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Jae Min Lee, Byoung Yun Kim, Sung Min Son, Se Eun Lee, Woo Seok Choi
  • Patent number: 12234310
    Abstract: Disclosed is a blood-compatible polymer represented by Formula 1. A polymer obtained by grafting a fluorinated methacrylate onto a polyvinylidene fluoride copolymer and provided in one aspect of the present invention is a polymer with blood compatibility, and may provide a blood-compatible material with hydrophobicity. In addition, it is possible to provide a material with controlled contact angle and surface energy properties by controlling the hydrogen fluoride length of the fluorinated methacrylate monomer for modification. Furthermore, it is possible to provide coating with controlled surface properties and blood compatibility through a simple process. Furthermore, it is possible to provide a freestanding polymer film with blood compatibility.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: February 25, 2025
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOG
    Inventors: Eun Ho Sohn, Dong Je Han, Hyeon Jun Heo, Jeong Kim, In Joon Park, Jong Wook Ha, Soo Bok Lee, Hong Suk Kang, Sang Goo Lee, Shin Hong Yook
  • Patent number: 12234368
    Abstract: The present application pertains to dispersions comprising oxidized, discrete carbon nanotubes and high-surface area carbon nanotubes. The oxidized, discrete carbon nanotubes comprise an interior and exterior surface, each surface comprising an interior surface oxidized species content and an exterior surface oxidized species content. The interior surface oxidized species content differs from the exterior surface oxidized species content by at least 20%, and as high as 100%. The high-surface area nanotubes are generally single-wall nanotubes. The BET surface area of the high-surface area nanotubes is from about 550 m2/g to about 1500 m2/g according to ASTM D6556-16. The aspect ratio is at least about 500 up to about 6000. The dispersions comprise from about 0.1 to about 30% by weight nanotubes based on the total weight of the dispersion.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: February 25, 2025
    Inventors: Kurt W. Swogger, Clive P. Bosnyak, Malcolm Francis Finlayson, Jerry Gazda, Vinay Bhat, Nancy Henderson, Emily Barton Cole
  • Patent number: 12227645
    Abstract: A polyamide resin composition of the present invention comprises: approximately 100 parts by weight of a polyamide resin comprising approximately 5 to 40 weight % of an aromatic polyamide resin and approximately 60 to 95 weight % of an aliphatic polyamide resin; approximately 30 to 70 parts by weight of an inorganic filler; and approximately 0.5 to 5 parts by weight of modified polyalkylene glycol. The modified polyalkylene glycol comprises an isocyanate group, a succinimide group or an epoxy group at one terminal of polyalkylene glycol. The polyamide resin composition exhibits excellent adhesiveness with other materials, excellent antifouling properties, impact resistance, stiffness, injection moldability and the like.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: February 18, 2025
    Assignee: Lotte Chemical Corporation
    Inventors: Sang Hwa Lee, Ho Geun Park, Yeong Deuk Seo
  • Patent number: 12227632
    Abstract: A cellulose ester composition having high fluidity, the cellulose ester composition containing a cellulose ester (A), an adipate-based compound (B), and a citrate-based compound (C). When a total of the component (A), the component (B), and the component (C) is 100 mass %, a content of the component (B) is from 7 to 20 mass %, a content of the component (C) is from 1 to 14 mass %, a total content of the component (B) and the component (C) is from 21 to 30 mass %, and the remainder is the component (A).
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: February 18, 2025
    Assignee: DAICEL CORPORATION
    Inventors: Takayuki Ogihara, Kenji Ueda, Akihiko Kumagae, Akihiko Shiroya
  • Patent number: 12227687
    Abstract: A quantum dot comprising a core comprising a first semiconductor nanocrystal comprising zinc, selenium, and optionally tellurium; and a shell disposed on the core and comprising a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, and comprising zinc and at least one of sulfur and selenium, wherein the shell comprises at least three branches extending from the core, wherein at least one of the branches has a length of greater than or equal to about 2 nm, the quantum dot emits blue light comprising a maximum emission peak at a wavelength of less than or equal to about 470 nm, a full width at half maximum (FWHM) of the maximum emission peak is less than about 35 nm, and the quantum dot does not comprise cadmium.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Jeong Hee Lee, Eun Joo Jang
  • Patent number: 12227677
    Abstract: An adhesive that comprises: (a) 35 to 55 wt. % of an elastomer component; (b) 20 to 45 wt. % of an adhesive resin component; and (c) 15 to 40 wt. % of a plasticizing component, wherein (c1) 8 to 35 wt. % of (c) is made of one or more plasticizing oils, and (c2) optionally up to 32 wt. % of (c) is made of one or more plasticizers that differ from plasticizing oils.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: February 18, 2025
    Assignee: tesa SE
    Inventors: Julia Garbers, Thilo Dollase, Niels Czerwonatis, Felix Köstner
  • Patent number: 12221498
    Abstract: The present invention relates to polyolefin. More specifically, the present invention relates to polyolefin having excellent dart drop impact strength, and exhibiting improved transparency, and such polyolefin has a density of 0.915 g/cm3 to 0.930 g/cm3 measured according to ASTM D1505; and has an ethylene sequence inhomogeneity (I) calculated by the following Equation 1 of 1.25 to 1.40, when analyzed by SSA (Successive Self-nucleation and Annealing): Inhomogeneity (I)=Lw/Ln??[Equation 1] in the Equation 1, Lw is weighted average (unit: nm) of ESL (Ethylene sequence length), and Ln is arithmetic mean (unit: nm) of ESL (Ethylene sequence length).
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 11, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Jinyoung Lee, Sung Min Lee, Jeongkyu Lee, Hyojoon Lee, Seyoung Kim, Sung Ho Park, Seul Ki Im, Seok Hwan Kim, Daesik Hong
  • Patent number: 12221504
    Abstract: Disclosed are novel polymers that are grafted onto a substrate. These polymers contain monomer units derived from 4-vinylpyridine and monomer units derived from a co-monomer. The polymers may be complexed with a metal, and linear or crosslinked. Also disclosed are methods for preparing these polymers by radical polymerisation, as well as to their use for metal capture in aqueous media, particularly uranium capture in seawater or in final nuclear waste from nuclear power plants.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: February 11, 2025
    Assignees: UNIVERSITE PARIS-SACLAY, CONSEIL NATIONAL DE LA RECHERCHE
    Inventors: Philippe Gérard Roger, Mohamad Maaz, Bilal Nsouli, Tamara Elzein, Nadine Barroca, Bénédicte Lepoittevin