Patents Examined by Fred M Teskin
  • Patent number: 11988585
    Abstract: Refractive index matching (RIM) formulations, their use for mounting biological specimens (e.g., cells and tissues) to a substrate, and methods of visualizing biological specimens embedded in RIM formulations are described.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: May 21, 2024
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Adam York, Eric Welch, Daniel Cash
  • Patent number: 11976153
    Abstract: Described herein are polymerization catalysts having a structure according to formula (1): wherein is a diimine ligand, A? is a counter anion, and R2 is a fluorinated alkane, alkene or alkyne, a fluorinated aromatic, a fluorinated cycloalkane or cylcoalkene, a fluorinated heteroaromatic, or a fluorinated heterocyclic. Also described herein are polymers having a terminus having a structure according to Formula (3): wherein R2 is a fluorinated alkane, alkene or alkyne, a fluorinated aromatic, a fluorinated cycloalkane or cylcoalkene, a fluorinated heteroaromatic, or a fluorinated heterocyclic.
    Type: Grant
    Filed: May 18, 2023
    Date of Patent: May 7, 2024
    Assignee: University of Houston System
    Inventors: Eva Harth, Huong Dau
  • Patent number: 11976087
    Abstract: The invention provides a light-stimuli responsive coordination polymer, and preparation method and use thereof. The coordination polymer has a chemical formula of [Zn(tkpvb) (Fb)2]n1, wherein Fb represents p-fluorobenzoate, tkpvb represents 1,2,4,5-tetrakis((E)-2-(4-pyridyl)vinyl)benzene, and n=3000-60000; and crystallographic parameters of: (1) crystal system: monoclinic system; (2) space group: C2/c; (3) a=28.577(3)?, b=7.4084(6) ?, c=22.612(3) ?, ?=126.771(2)°, and V=3834.8(7) ?3; (4) Z=4; and (5) F(000)=1720, R1=0.0440, wR2=0.1042, and GOF=1.047. The method is simple, and has mild reaction conditions, and fast light conversion rate. The means of light-stimuli responsiveness are non-contact and non-damage type, the volume adjustment is highly accurate, and the whole adjustment process does not require any chemical reagents, and is safe and reliable. Photoactuators can complete a variety of behaviors under the irradiation of ultraviolet light having a wavelength of 365 nm.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: May 7, 2024
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Jianping Lang, Zhanyong Yang, Chunyan Ni
  • Patent number: 11970558
    Abstract: A method of recovering a solvent including: supplying polymerization reactants including one or more monomers and a solvent to a reactor to obtain a polymer solution; supplying a stream including the polymer solution to a separator to separate an upper discharge stream including the solvent, wherein the solvent is in a gaseous phase, and a lower discharge stream including the polymer solution; heating a divergence stream including a part of the lower discharge stream from the separator by a heating device and refluxing the divergence stream to the separator; supplying a residue stream including a remainder of the lower discharge stream from the separator to a steam stripping process unit; and adjusting a vapor mass fraction of the divergence stream which is refluxed to the separator with a pressure adjustment valve after being heated by the heating device.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: April 30, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Suk Yung Oh, Jun Seok Ko, Kwan Sik Kim, Joon Ho Shin, Byeong Gil Lyu, Se Kyung Lee
  • Patent number: 11969725
    Abstract: Reactor systems, reactor coolant systems, and associated processes for polymerizing polyolefins are described. The reactor systems generally include a reactor pipe and a coolant system, in which the coolant system includes a jacket pipe surrounding at least a portion of the reactor pipe to form an annulus therebetween, at least one spacer coupling the jacket to the reactor pipe, and a coolant which flows through the annulus to remove heat from the reactor pipe. At least one of the external surface of the reactor pipe, the internal surface of the jacket, and at least one spacer, are independently modified, for example by polishing, coating, or reshaping, to reduce the fluid resistance of the coolant flow through the annulus.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: April 30, 2024
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Anurag Gupta, Scott E. Kufeld, Larry W. Ezell, Robert R. McElvain, Robert F. Parrott, Joel A. Mutchler
  • Patent number: 11970557
    Abstract: A polymer capable of securing pattern uniformity in a photoresist pattern, the polymer containing a photoacid generator by including a structure unit represented by Chemical Formula 1a; and a structure unit represented by Chemical Formula 1b as shown in the specification.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: April 30, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jihye Kim, Sung Ho Chun, Minyoung Lim
  • Patent number: 11965080
    Abstract: A method of preparing a carboxylic acid-modified nitrile-based copolymer latex is provided. The method of preparing a carboxylic acid-modified nitrile-based copolymer later includes emulsion-polymerizing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile-based monomer, and an ethylenically unsaturated acid monomer in the presence of a cross-linking agent including glyoxal.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: April 23, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Jung Eun Kim, Ji Hyun Kim, Won Sang Kwon, Myung Su Jang, Seung Whan Oh
  • Patent number: 11958950
    Abstract: An ion exchange membrane containing a fluorinated polymer, wherein in a case where by Raman spectroscopy, polarized light orthogonal to the thickness direction of the ion exchange membrane is irradiated to obtain a spectrum chart, whereby the ratio of the peak area a2 of Raman shift 680 to 760 cm?1 to the peak area al of Raman shift 1,025 to 1,095 cm?1 is taken as A1, and by Raman spectroscopy, to a cross section in the thickness direction of the ion exchange membrane, polarized light parallel with the thickness direction is irradiated to obtain a spectrum chart, whereby the ratio of the peak area b2 of Raman shift 920 to 1,025 cm?1 to the peak area b1 of Raman shift 1,025 to 1,095 cm?1 is taken as B1, B1/A1 is at least 1.05.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: April 16, 2024
    Assignee: AGC Inc.
    Inventors: Shintaro Hayabe, Osamu Homma, Yasushi Yamaki, Tatsuya Miyajima, Takuo Nishio
  • Patent number: 11952483
    Abstract: A resin composition including: at least one resin ingredient selected from the group made of a resin (A) having a side chain (a) containing a hydrogen-bonding cross-linking moiety with a carbonyl-containing group and/or a nitrogen-containing heterocycle and having a glass transition point of 25° C. or lower, and a resin (B) containing a hydrogen-bonding cross-linking moiety and a covalent-bonding cross-linking moiety in a side chain and having a glass transition point of 25° C. or lower, wherein both the resin (A) and the resin (B) are a reaction product of a cross-linking agent with a maleic anhydride-modified thermoplastic resin having a melting point of 68° C. to 134° C. and a maleation rate of 0.5 to 2.5% by mass.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: April 9, 2024
    Assignee: ENEOS CORPORATION
    Inventors: Keisuke Chino, Yoshihiro Morinaga, Yuhei Sasaki, Takafumi Ishii, Toshiyuki Iwasaki
  • Patent number: 11945885
    Abstract: A vinyl-containing copolymer is copolymerized from (a) first compound, (b) second compound, and (c) third compound. (a) First compound is an aromatic compound having a single vinyl group. (b) Second compound is polybutadiene or polybutadiene-styrene having side vinyl groups. (c) Third compound is an acrylate compound. The vinyl-containing copolymer includes 0.003 mol/g to 0.010 mol/g of benzene ring, 0.0005 mol/g to 0.008 mol/g of vinyl group, and 1.2*10?5 mol/g to 2.4*10?4 mol/g of ester group.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: April 2, 2024
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-Po Kuo, Shin-Liang Kuo, Shu-Chuan Huang, Yan-Ting Jiang, Jian-Yi Hang, Wen-Sheng Chang
  • Patent number: 11945888
    Abstract: A method for monitoring polymerization processes can include reacting by polymerization a feedstock in the presence of a catalyst in a reactor to produce an effluent comprising a polymer and a solvent; measuring a density of the effluent; and calculating a monomer conversion rate and/or a polymerization rate for the polymerization based on the density of the effluent. A system for monitoring polymerization processes can include a reactor containing an effluent comprising a solvent, a polymer, and a monomer; a flash vessel fluidly coupled to the reactor to receive the effluent from the reactor; and an inline density meter fluidly coupled to the reactor, placed between the reactor and the flash vessel, and configured to measure a density of the effluent.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: April 2, 2024
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Yifeng Hong, Jay L. Reimers
  • Patent number: 11939410
    Abstract: Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula I: (I) wherein X, Y, L1, L2, R1, R2, R3, R4 and R5 are as defined herein. Also disclosed herein are the use of organoruthenium compound of the formula I as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: March 26, 2024
    Assignee: APEIRON SYNTHESIS S.A.
    Inventors: Krzysztof Skowerski, Michal Chwalba, Anna Gawin, Rafal Gawin, Patryk Krajczy
  • Patent number: 11937713
    Abstract: The invention relates to a container (1) made of glass or stoneware for a beverage having surface irregularities in a chosen region, the irregularities forming nucleation sites inside the container, the nucleation sites favouring the formation of bubbles in contact with a carbonated beverage, comprising a layer of enamel (10) coating the chosen region, a plurality of enamel grains (12) arranged on the surface of said layer of enamel (10) and attached to said layer of enamel (10), and a hydrophobic compound (13) arranged on a portion of the surface of said enamel grains (12).
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: March 26, 2024
    Assignee: ARC FRANCE
    Inventors: Sebastien Donze, Yvan Garnier, Emilie Debout
  • Patent number: 11939417
    Abstract: A heterogeneous procatalyst includes a preformed heterogeneous procatalyst and a metal-ligand complex. The preformed heterogeneous procatalyst includes a titanium species and a magnesium chloride (MgCl2) support. The metal-ligand complex has a structural formula (L)aM(Y)m(XR2)b, where M is a metal cation; each L is a neutral ligand or (?O); each Y is a halide or (C1-C20)alkyl; each XR2 is an anionic ligand in which X is a heteroatom or a heteroatom-containing functional group and R2 is (C1-C20)hydrocarbyl or (C1-C20) heterohydrocarbyl; n is 0, 1, or 2; m is 0-4; and b is 1-6. The metal-ligand complex is overall charge neutral. The heterogeneous procatalyst exhibits improved average molecular weight capability. A catalyst system includes the heterogeneous procatalyst and a cocatalyst. Processes for producing the heterogeneous procatalyst and processes for producing ethylene-based polymers utilizing the heterogeneous procatalyst are also disclosed.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: March 26, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Linfeng Chen, Mingzhe Yu, Mehmet Demirors, Andrew T. Heitsch, Jeffrey A. Sims, David Gordon Barton, Kurt F. Hirsekorn, Peter N. Nickias
  • Patent number: 11932711
    Abstract: The invention relates to a method for producing a hydrocarbon resin, in which method a monomer mixture which contains an aromatic component containing indene and/or C1-4 alkylindene and a cyclic diolefin component containing a cyclic diolefin compound is polymerized by heating to a polymerization temperature of at least 180° C. to obtain a product stream containing hydrocarbon resin, wherein oligomers which contain units originating from the cyclic diolefin compound and/or units originating from the aromatic component are separated from the product stream and returned to the monomer mixture, and wherein the hydrocarbon resin is heated in an annealing step to a temperature of 150° C. to 300° C. for a period of 15 minutes to 240 hours. The invention also relates to a hydrocarbon resin that is obtainable by the method, to a hydrogenated hydrocarbon resin, and to the use of the hydrocarbon resin and the hydrogenated hydrocarbon resin.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: March 19, 2024
    Assignee: Rain Carbon Germany GmbH
    Inventors: Matthias Levering, Björn Dreisewerd
  • Patent number: 11920076
    Abstract: A fire retardant material comprising a carbon fiber which tensile elasticity is 700 GPa or more, and a fire retardant resin such as polycarbonate.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: March 5, 2024
    Assignee: TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Koichi Yonemoto, Kiyoto Murakami, Satoshi Nonaka
  • Patent number: 11919979
    Abstract: According to one embodiment, an ionomer includes a neutralized blend of an ethylene acid copolymer. The ethylene acid copolymer comprises the polymerized reaction product of ethylene; from 2 to 20 wt. % of monocarboxylic acid monomer based on the total wt. % of the monomers present in the ethylene acid copolymer; from 2 to 15 wt. % of unsaturated dicarboxylic acid monomer based on the total wt. % of the monomers present in the ethylene acid copolymer. In the ionomer 10 to 60% of total acid units of the ethylene acid copolymer are neutralized by a magnesium cation.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: March 5, 2024
    Assignee: Dow Global Technologies, LLC
    Inventor: Richard Tien Hua Chou
  • Patent number: 11915799
    Abstract: A polymer physical property prediction device includes a processor, and a memory storing program instructions that cause the processor to read a structural unit from a storage unit and use the structural unit to calculate numbers each indicating how many substructures are in a polymer, the polymer being formed of repetition of the structural unit, calculate a number indicating how many atoms are in the structural unit, calculate number densities of the substructures from the numbers of substructures and the number of atoms in the structural unit, construct a regression model that predicts a physical property value by using an experimental value of a physical property of the polymer and the number densities of the substructures, input a polymer structure of which the physical property value is to be predicted, and predict the physical property value corresponding to the input polymer structure by using the regression model.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: February 27, 2024
    Assignee: RESONAC CORPORATION
    Inventors: Takuya Minami, Yoshishige Okuno
  • Patent number: 11905393
    Abstract: An object of the present invention is to provide a cellulose acetate composition with excellent biodegradability and water solubility, and excellent thermoformability. A cellulose acetate composition comprising: a cellulose acetate having a degree of acetyl substitution of 0.4 or greater and less than 1.4; and a citrate ester-based plasticizer, wherein a content of the citrate ester-based plasticizer is 3 parts by weight or greater per 100 parts by weight of the total amount of the cellulose acetate and the citrate ester-based plasticizer.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: February 20, 2024
    Assignee: DAICEL CORPORATION
    Inventors: Kyokutou Ga, Masahiko Suzuki
  • Patent number: 11905382
    Abstract: A proton-exchange membrane includes a polymer matrix, polymer fibers, or a combination thereof. The proton-exchange membrane also includes a proton-conducting material distributed on the polymer matrix, on the polymer fibers, in the polymer fibers, or a combination thereof.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: February 20, 2024
    Assignee: Energy and Environmental Research Center Foundation
    Inventors: Ted R. Aulich, Jivan Thakare, John Hurley, Xiangfa Wu, Zhengping Zhou, Oksana Zholobko