Patents Examined by Derek Rhoades
  • Patent number: 12715831
    Abstract: A method for producing fluorenone including a pretreatment step of heating fluorene in the presence of a lower aliphatic carboxylic acid, a bromine compound, and a metal catalyst, and an oxidation step of continuously supplying fluorene and oxygen to perform an oxidation reaction, in the order indicated.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: August 25, 2026
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yuki Watanabe, Hiroki Sumi, Hideaki Fujita, Goh Nakamura, Tatsuyuki Kumano
  • Patent number: 12715833
    Abstract: A method for producing (meth)acrolein by vapor-phase catalytic oxidation of propylene or isobutylene in a multitubular reactor including a plurality of reaction tubes, the reaction tubes each including a reaction zone filled with a catalyst including molybdenum oxide and a cooling zone filled with an inert substance, wherein a temperature of a heat medium that flows outside the cooling zone is lower than a temperature of a heat medium that flows outside the reaction zone, and wherein the inert substance includes an inert substance having a major-axis length that is equal to or more than 1.7 times a major-axis length of the catalyst. A method for producing (meth)acrylic acid in which (meth)acrolein thus produced is converted to (meth)acrylic acid by vapor-phase catalytic oxidation.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: August 25, 2026
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yasushi Ogawa, Yoshimune Abe, Takuya Nakamura
  • Patent number: 12715891
    Abstract: The present invention relates to an iron complex having the general formula (I) or a pharmaceutically acceptable salt thereof. The present invention also relates to a pharmaceutical composition formulated for oral and/or parenteral administration, preferably intravenous, said pharmaceutical composition preferably being formulated as an aqueous solution comprising said complex or salt. The present invention further relates to said complex or a salt thereof or said pharmaceutical composition for use as a contrast agent for magnetic resonance imaging (MRI), as well as a method and a kit for in situ preparation of said complex or salt and said pharmaceutical composition.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: August 25, 2026
    Assignee: BRACCO IMAGING S.P.A.
    Inventor: Camilla Cavallotti
  • Patent number: 12708895
    Abstract: A catalyst for production of carboxylic acid ester, containing: catalyst metal particles; and a support supporting the catalyst metal particles, wherein the catalyst has a hollow particle ratio of 40% or less.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: August 18, 2026
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Chihiro Iitsuka, Dai Nagata
  • Patent number: 12703793
    Abstract: Provided is a biodegradation accelerator for accelerating the biodegradation of resins, etc. in the ocean. This marine-biodegradation accelerator comprises a compound including anions of one or more kinds including an anion having six or more carbon atoms and three or more oxygen atoms and a metal cation having a valence of two or higher, the anions and the cation being bonded by ionic bonding. A group of particles of the compound forms a contact angle of 30° or larger 30 seconds after a waterdrop is dropped thereonto.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: August 11, 2026
    Assignee: NISSHINBO HOLDINGS INC.
    Inventors: Kazutoshi Hayakawa, Toshifumi Hashiba, Erina Matsuzaka
  • Patent number: 12698258
    Abstract: The present invention provides, in part cystine cationic lipid compounds of formula A, and sub-formulas thereof: or a pharmaceutically acceptable salt thereof. The compounds provided herein can be useful for delivery and expression of mRNA and encoded protein, e.g., as a component of liposomal delivery vehicle, and accordingly can be useful for treating various diseases, disorders and conditions, such as those associated with deficiency of one or more proteins.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: August 4, 2026
    Assignee: TRANSLATE BIO, INC.
    Inventors: Shrirang Karve, Saswata Karmakar, Frank DeRosa
  • Patent number: 12698253
    Abstract: The present invention relates to a catalytic material for the preparation of one or more of 4,4?-methylenedianiline, 2,2?-methylenedianiline, 2,4?-methylenedianiline, and oligomers of two or more thereof, the catalytic material comprising an oxidic support, wherein the oxidic support comprises an element EOS1 selected from the group consisting of Ti, Zr, Al, Si, and mixtures of two or more thereof, and further comprising a supported material supported on the oxidic support, wherein the supported material comprises an element ESM1 selected from the group consisting of Ti, Zr, V, Nb, Ta, Mo, W, Ge, Sn, Sc, Y, La, Ce, Nd, Pr, Hf, Cr, Fe, Co, Ni, Cu, Zn, Pb and mixtures of two or more thereof. Further, the present invention relates in particular to a process for the preparation of a catalytic material and to a process for the preparation of one or more of 4,4?-methylenedianiline, 2,2?-methylenedianiline, 2,4?-methylenedianiline and oligomers of two or more thereof.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: August 4, 2026
    Assignee: BASF SE
    Inventors: Andrei-Nicolae Parvulescu, Alvaro Gordillo Bolonio, Trees Maria De Baerdemaeker, Ulrich Mueller, Dirk de Vos, Ka Yan Cheung
  • Patent number: 12698256
    Abstract: Compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, the polyamine compounds corresponding to the structure of Formula 1 or 2, or a salt thereof: wherein X1 is —C(O)R9 or —[C(R10R11)]p—C(R12)(X2)—R13; X2 is —OH or —NH2; R1 and R4 are independently hydrogen, alkyl, or —[C(R10R11)]p—C(R12)(X2)—R13; R2, R3, R5, R6, R7, R8, R10, R11, and R12 are independently hydrogen or alkyl; R9 and R13 are independently C7 to C30 alkyl or alkenyl; m and o are integers from 1 to 10; n is an integer from 1 to 6; and p is an integer from 1 to 10; wherein X2 is —OH or —NH2; R21, R22, R23, R24, R25, R26, and R28 are independently hydrogen or alkyl; R27 is C10 to C30 alkyl or alkenyl; m and o are integers from 1 to 10; n is an integer from 1 to 6; and q is an integer from 0 to 10.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: August 4, 2026
    Assignee: Ecolab USA Inc.
    Inventors: Oussama Zenasni, John Nathan Scholz, Philip Andrew Thornthwaite, Maria DeJesus Marquez, Ana Ferrer Carrera, Ashish Dhawan
  • Patent number: 12692226
    Abstract: A method for preparing 2-hydroxy-4-methylthiobutyric acid (HMTBA) or 2-hydroxy-4-methylselenobutyric acid (HMSeBA) by catalytic conversion of 2-hydroxy-4-methylthiobutyronitrile or 2-hydroxy-4-methylselenobutyronitrile, respectively, where said conversion is carried out in the presence of water and at least one weak acid and one catalyst comprising at least one of alumina, titanium dioxide and zirconia.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: July 28, 2026
    Assignees: ADISSEO FRANCE S.A.S., CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE CENTRALE DE LILLE, UNIVERSITE CLAUDE BERNARD LYON 1
    Inventors: Félix Taulou, Didier Morvan, Virginie Belliere-Baca, Dorothée Laurenti
  • Patent number: 12691438
    Abstract: An object of the present invention is to provide a catalyst capable of improving the selectivity of unsaturated aldehydes and unsaturated carboxylic acids, and a catalyst containing molybdenum, antimony, bismuth, and iron, wherein an atom ratio of the antimony to the molybdenum on a surface of the catalyst is greater than an atom ratio of the antimony to the molybdenum in the entire catalyst is provided.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: July 28, 2026
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Kensuke Nishiki, Takuro Watanabe, Tetsufumi Yamaguchi
  • Patent number: 12692215
    Abstract: A process for producing functionalized organic molecules having 1 to 3 carbon atoms. The method includes the step of contacting carbon dioxide as the only gas, or a gas mixture that includes carbon dioxide and methane, in the presence of water, with a catalyst that includes permanently polarized hydroxyapatite.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: July 28, 2026
    Assignee: Universitat Politécnica de Catalunya
    Inventors: Pau Turón Dols, Vanesa Sanz Beltrán, Anna Maria Rodríguez Rivero, Carlos Enrique Alemán Llansó, Jordi Puiggalí Bellalta, Guillem Revilla-López, Jordi Sans
  • Patent number: 12686830
    Abstract: Embodiments of the present disclosure are directed processes to produce a low-color esterified oil soluble polyalkylene glycol, the process comprising forming a reaction mixture including a low viscosity oil soluble polyalkylene glycol and an excess amount of valeric acid, where the reaction mixture is formed in the presence of a catalytic amount of ortho-phosphoric acid catalyst to yield an organic phase including the low-color esterified oil soluble polyalkylene glycol.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: July 21, 2026
    Assignee: Dow Global Technologies LLC
    Inventors: Edward Daugs, Martin R. Greaves, Yaokun Han
  • Patent number: 12686694
    Abstract: The present invention relates to a method of extracting at least one selected from carbonic acid, aliphatic acid, aliphatic acid ester and aliphatic alcohol from an aqueous medium, the method comprising the steps: (a) contacting the carbonic acid, aliphatic acid, aliphatic acid ester and/or aliphatic alcohol in the aqueous medium with an extracting medium containing at least one alkyl-phosphine oxide for a time sufficient to extract the carbonic acid, aliphatic acid, aliphatic acid ester and/or aliphatic alcohol from the aqueous medium into the extracting medium, and (b) separating the extracting medium with the extracted carbonic acid, aliphatic acid, aliphatic acid ester and/or aliphatic alcohol from the aqueous medium, characterized in, that the at least one alkyl-phosphine oxide contains at least two different alkyl radicals per alkyl-phosphine oxide molecule and the aqueous medium in (a) contains a microorganism, preferably a living microorganism, producing the carbonic acid, aliphatic acid, aliphatic
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: July 21, 2026
    Assignee: Evonik Operations GmbH
    Inventors: Thomas Haas, Christian Richter
  • Patent number: 12678771
    Abstract: A carbon dioxide (CO2) hydrogenation catalyst and a method of its preparation. The CO2 hydrogenation catalyst includes an alkali-metal enriched bauxite residue including calcium carbonate (CaCO3), iron(III) oxide (Fe2O3), iron(III) oxyhydroxide (FeO(OH)), aluminum hydroxide (Al(OH)3), sodalite, muscovite, and Na5Al2CSi3O15. The CO2 hydrogenation catalyst further includes 1 weight percent (wt. %) to 10 wt. % potassium based on a total weight of the CO2 hydrogenation catalyst by inductively coupled plasma optical emission spectroscopy (ICP-OES). The CO2 hydrogenation catalyst is used in a method of hydrogenating carbon dioxide to produce olefins.
    Type: Grant
    Filed: April 24, 2025
    Date of Patent: July 14, 2026
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: M. Nasiruzzaman Shaikh, Mahbuba Aktary, Atif Alzahrani, Mohamed Ahmed Yahya Sanhoob
  • Patent number: 12668559
    Abstract: The present invention relates to a process of hydrogenating an alkyne selectively to an alkene by hydrogen using a hydrogenation catalyst which is palladium supported on a carrier in the presence of an additive mixture of an organic phosphorus compound (AP) and an organic sulphur compound (AS).
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: June 30, 2026
    Assignee: DSM IP ASSETS B.V.
    Inventors: Jonathan Alan Medlock, Lise Malika Molinari
  • Patent number: 12662444
    Abstract: A process for manufacturing aliphatic amines and nitriles by using the Fischer Tropsch synthesis (FTS), in the production of chain-lengthened hydrocarbons from CO and H2 and their terminal nitrogen functionalization using ammonia. The method can include activating a catalyst with a feed gas, wherein the feed gas comprises H2/CO mixtures; providing a temperature between 180° C. and 300° C. under a pressure between 1 bar to 25 bar; wherein the nitrogenates include at least one aliphatic amine and/or nitrile; and setting or adjusting the H2/CO ratio to selectively synthesize amines and/or nitriles over other nitrogen containing compounds.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: June 23, 2026
    Assignee: Washington State University
    Inventors: Norbert Kruse, Hafsa Karroum, Viacheslav Iablokov
  • Patent number: 12662495
    Abstract: The present disclosure relates to a silicon precursor compound, a method of preparing the silicon precursor compound, a silicon-containing film-forming precursor composition including the silicon precursor compound, and a method of forming a silicon-containing film using the precursor compound.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: June 23, 2026
    Assignee: UP CHEMICAL CO., LTD.
    Inventors: Jin Sik Kim, Byung Kwan Kim, Jun Hwan Choi, Da Som Yu
  • Patent number: 12660456
    Abstract: The present invention relates to a display device comprising a plurality of OLED pixels comprising at least two OLED pixels, the OLED pixels comprising an anode, a cathode, and a stack of organic layers, wherein the stack of organic layers is arranged between and in contact with the cathode and the anode, and comprises a first electron transport layer, a first hole transport layer, and a first light emitting layer provided between the first hole transport layer and the first electron transport layer, and a driving circuit configured to separately driving the pixels of the plurality of OLED pixels, wherein, for the plurality of OLED pixels, the first hole transport layer is provided in the stack of organic layers as a common hole transport layer shared by the plurality of OLED pixels, and the first hole transport layer comprises (i) at least one first hole transport matrix compound consisting of covalently bound atoms and (ii) at least one electrical p-dopant selected from metal salts and from electricall
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: June 16, 2026
    Assignee: Novaled GmbH
    Inventors: Ulrich Heggemann, Markus Hummert
  • Patent number: 12649711
    Abstract: The present invention discloses a newly high-efficiency method for co-production of carboxylic acid and ?-caprolactone based on the aerobic oxidation, that is, under the developed catalytic system, the aldehyde is oxidized to corresponding carboxylic acid while cyclohexanone is oxidized to ?-caprolactone, realizes the co-production of carboxylic acid and ?-caprolactone. The salient features of this method include the use of cheap and readily available substrates, mild reaction conditions, environmentally friendly, and easy operation. It can realize the co-production of carboxylic acid and high value-added ?-caprolactone.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: June 9, 2026
    Assignee: ZHEJIANG UNIVERSITY
    Inventors: Shengming Ma, Jinxian Liu
  • Patent number: 12649710
    Abstract: A process for the continuous production of either acrolein or acrylic acid as the target product from propene comprising a catalyzed gas phase partial oxidation of propene to yield a product gas containing the target product, transferring the target product in a separating zone from the product gas into the liquid phase and conducting out of the separating zone a stream of residual gas the major portion of which is returned into the partial oxidation and the remaining portion of said stream is purged from the process as off-gas from which synthesis gas can be produced or which can be added to synthesis gas produced otherwise.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: June 9, 2026
    Assignee: BASF SE
    Inventors: Kazuhiko Amakawa, Lukas Schulz, Michael Bender, Klaus Joachim Mueller-Engel, Christian Walsdorff, Signe Unverricht