Patents Examined by Jennifer C Sawyer
  • Patent number: 12157715
    Abstract: A method for producing a highly polymerizable N-vinyl carboxylic acid amide monomer includes (A) melting a crude N-vinyl carboxylic acid amide monomer including 50 to 88 mass % of an N-vinyl carboxylic acid amide monomer by heating, followed by cooling for precipitation, and subjecting precipitated N-vinyl carboxylic acid amide monomer crystals to solid-liquid separation (step (A)), and (B) further dissolving the N-vinyl carboxylic acid amide monomer crystals separated in step (A) in a mixed solvent of 1,2-dimethoxyethane and an aliphatic hydrocarbon having 6 to 7 carbon atoms, then performing crystallization, performing solid-liquid separation, and recovering an N-vinyl carboxylic acid amide monomer purified product (step (B)), wherein a mass ratio of 1,2-dimethoxyethane/N-vinyl carboxylic acid amide monomer crystal in step (B) is 0.01 to 0.5, and a mass ratio of aliphatic hydrocarbon having 6 to 7 carbon atoms/N-vinyl carboxylic acid amide monomer crystal in step (B) is 0.5 to 3.0.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: December 3, 2024
    Assignee: Resonac Corporation
    Inventors: Takamitsu Kobayashi, Naoyuki Tanaka
  • Patent number: 12152000
    Abstract: This invention relates to a novel process for making dihydrotetrabenazines, and in particular (+)-?-dihydrotetrabenazine, novel synthetic intermediates for use in the process and processes for making the intermediates.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: November 26, 2024
    Assignee: ADEPTIO PHARMACEUTICALS LIMITED
    Inventors: Kishor Bapu Gavhane, Nitin Punjaji Lad, Ramakrishna Guduru, Sunit Ramesh Kulkarni
  • Patent number: 12151997
    Abstract: The invention relates to a method for preparing a suspension of a hydrochloride of an organic amine, comprising the following steps of (i) initially charging at least one organic solvent in a reaction vessel to form a liquid level, (ii) adding hydrogen chloride, (iii) adding the organic amine, wherein the organic amine is added below the liquid level present in the reaction vessel and steps (ii) and (iii) are at least partly carried out simultaneously. Furthermore, the present invention also relates to a method wherein the suspension obtained after step (iii) is reacted in a step (iv) with phosgene to obtain the organic isocyanate corresponding to the organic amine used, to the corresponding organic isocyanate and to the use of the organic isocyanate for producing polyisocyanates.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: November 26, 2024
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Michael Merkel, Tim Loddenkemper, Frank Gerhartz, Stefan Hirschfeld
  • Patent number: 12134589
    Abstract: The present invention relates to a new process for the production of substituted 2-[2-(phenyl) ethylaminojalkaneamide derivatives of the following formula (I), in particular 2-[2-(3-butoxyphenyl)-ethylamino]-N,N-dimethylacetamide in high yields with very high chemical purity.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: November 5, 2024
    Assignee: Newron Pharmaceuticals S.p.A.
    Inventors: Wolfgang Skranc, Michael Wolberg, Matthias Riepl, Christoph Imboden, Erwin Waldvogel
  • Patent number: 12134558
    Abstract: The present invention relates to an improved process for preparing hydrazine hydrate from the azine of methyl ethyl ketone obtained from methyl ethyl ketone by oxidizing ammonia with hydrogen peroxide in the presence of an activator, characterized in that it comprises a step of recycling the pyrazoline-class heterocycles purge.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: November 5, 2024
    Assignee: Arkema France
    Inventor: Jean-Marc Sage
  • Patent number: 12134597
    Abstract: A method for producing an aqueous equilibrium peroxylactic acid solution by reaction mixing lactic acid, hydrogen peroxide, water, one or more optional acid catalysts and one or more optional sequestering agents in a vessel over a period of time while maintaining the temperature of the solution at a temperature below about 100° C. The aqueous equilibrium peroxylactic acid solution can be used for reducing the bacterial count on food products, particularly a protein food product, during processing.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: November 5, 2024
    Assignee: Zeco, LLC
    Inventors: Robert C. Bullard, Jonathon R. Bullard, James A. Faller, A. Rider Barnum
  • Patent number: 12122735
    Abstract: Aspects of the disclosure includes methods for preparing an amorphous solid composition of a fatty acid metal salt. In practicing the subject methods according to certain embodiments, a succinylated 3-(fatty acid amido)-2-hydroxy-1-(protected hydroxy)-propane organic salt is contacted with a metal base to produce a succinylated 3-(fatty acid amido)-2-hydroxy-1-(protected hydroxy)-propane metal salt; and the succinylated 3-(fatty acid amido)-2-hydroxy-1-(protected hydroxy)-propane metal salt is precipitated in a solvent to produce an amorphous solid succinylated 3-(fatty acid amido)-2-hydroxy-1-(protected hydroxy)-propane metal salt composition. An amorphous solid succinylated 3-(fatty acid amido)-2-hydroxy-1-(protected hydroxy)-propane lithium salt is also provided.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: October 22, 2024
    Assignee: Geron Corporation
    Inventor: Jennifer Elizabeth Albaneze-Walker
  • Patent number: 12110304
    Abstract: Provided are a divalent phosphazenium salt which is neutral and is excellent in thermal stability and aldehyde scavenging ability, and a method for producing the same. Also provided are a polyalkylene oxide composition having a volatile aldehyde amount reduced, having generation of odor and turbidity suppressed and being excellent in urethanization reactivity, and a method for producing such a polyalkylene oxide composition, as well as a polyurethane-forming composition containing the polyalkylene oxide composition. A divalent phosphazenium salt having a specific structure. Also, a polyalkylene oxide composition comprising a divalent phosphazenium salt having a specific structure and a polyalkylene oxide, a method for producing the same, and a polyurethane-forming composition containing the same.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: October 8, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Yoshiaki Inoue, Toshihide Yamamoto, Katsuaki Mori
  • Patent number: 12103911
    Abstract: Provided is a method for producing a composition containing gallic acid, the composition having a low content rate of protocatechuic acid using a microbial culture solution. A method for producing a composition containing gallic acid, the method comprising a step (A) of performing cooling crystallization using an aqueous solution (a) containing gallic acid and protocatechuic acid at 0.9° C./min or less.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: October 1, 2024
    Assignee: KAO CORPORATION
    Inventors: Ryo Obunai, Yutaka Irie, Sawa Miyake
  • Patent number: 12103905
    Abstract: Process for the preparation of urea granules comprising the steps of obtaining an aqueous urea solution from one or more synthesis and recovery steps wherein ammonia and carbon dioxide are reacted together, subjecting the aqueous urea solution to an evaporation step wherein water is removed to obtain a urea melt (1), processing and treating said urea melt in a granulation step (7) and optionally in a cooling section (10) to obtain solid urea granules (14); the process further comprises a scrubbing step (3) of granulation offgas and an atmospheric evaporation step (32) to recover a urea solution (2) and a water-saturated air stream (18): the water-saturated air stream is fed back to the scrubbing section (3) without condensation, and the recovered urea solution is conveyed to the granulation step (7).
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: October 1, 2024
    Assignee: Casale SA
    Inventors: Paolo Bertini, Matteo Fumagalli
  • Patent number: 12084400
    Abstract: A composition comprises one or more trimesic acid derivatives of Formula (I) in which R1, R2, and R3 are independently selected from the group consisting of alkyl groups. A polymer composition comprises a composition as described above and a polyolefin polymer. The polymer compositions containing a trimesic acid derivative of Formula (I) exhibit very low haze levels and minimal extraction of the trimesic acid derivative.
    Type: Grant
    Filed: October 2, 2023
    Date of Patent: September 10, 2024
    Assignee: Milliken & Company
    Inventors: Daniel Kremer, Hans-Werner Schmidt, Paul Smith, John David Anderson, Suchitra Datta, Keith Keller, Nathan Mehl, Walter Scrivens
  • Patent number: 12076439
    Abstract: Disclosed are cationic lipids which are compounds of Formula (I), (II), (III), (IV), (V), or (VI). Cationic lipids 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: May 23, 2019
    Date of Patent: September 3, 2024
    Assignee: TRANSLATE BIO, INC.
    Inventors: Yi Zhang, Shrirang Karve, Frank DeRosa, Michael Heartlein
  • Patent number: 12077484
    Abstract: The invention relates to a process for the preparation of Melphalan (4-[bis(2-chloroethyl)amino]-L-phenylalanine of formula (I) said process comprising the reaction of a 4-amino-L-phenylalanine protected at the carboxy and amino aminoacidic groups with an agent able to convert the aromatic amino group into a group of formula: —N(CH2CH2OS(O)nO?)2, wherein n is 1 or 2 followed by conversion of the —N(CH2CH2OS(O)nO?)2 group into a —N(CH2CH2Cl)2 group. The invention also provides novel intermediates useful for the preparation of Melphalan.
    Type: Grant
    Filed: May 19, 2023
    Date of Patent: September 3, 2024
    Assignee: Indena S.P.A.
    Inventors: Pietro Allegrini, Andrea Bonetti, Marco Molinari, Andrea Gambini
  • Patent number: 12071395
    Abstract: A method for producing a carbodiimide compound, comprising a carbodiimide production step of reacting an aliphatic tertiary isocyanate compound (A) in the presence of an inorganic alkali metal compound (B) and at least one of a phase transfer catalyst (C), a compound (D-1) represented by general formula (2-1), and a compound (D-2) represented by general formula (2-2).
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: August 27, 2024
    Assignee: NISSHINBO CHEMICAL INC.
    Inventors: Nobuyuki Matsumoto, Kenichi Yanagisawa
  • Patent number: 12064408
    Abstract: Pentacyclic triterpene weight loss agents are provided herein. Also provided are pharmaceutical formulations containing a therapeutically effective amount of one or more of the weight loss agents, or pharmaceutically acceptable salts or prodrugs thereof, in combination with one or more pharmaceutically acceptable excipients. The pharmaceutical formulations can be administered to a pre-obese, obese, or morbidly obese patient to induce weight loss, reduce body fat, reduce food intake, improve glucose homeostasis, prevent obesity, or a combination thereof. The weight loss agents can also be co-administered with leptin or a leptin analog.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: August 20, 2024
    Assignees: The Children's Medical Center Corporation, The General Hospital Corporation
    Inventors: Umut Ozcan, Joseph Majzoub, Ralph Mazitschek
  • Patent number: 12049599
    Abstract: Alkylated diaryl amines further substituted by an alkoxy group on one or more aryl carbon atoms exhibit excellent antioxidant activity in lubricant compositions.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: July 30, 2024
    Assignee: LANXESS Corporation
    Inventor: Robert G. Rowland
  • Patent number: 12037309
    Abstract: Novel 85Rb-enriched rubidium salt compounds of general formula 1, below and novel compounds of general formula 2, below. Compositions that contain at least one of the novel compounds and optionally further contain an antitumor drug. Methods that entail administering such compounds and compositions to treat cancer, optionally in combination with a conventional form of cancer therapy, such as chemotherapy and radiation treatment. When administered with a conventional form of cancer therapy, the compounds and compositions of the invention may be administered before, simultaneously with, or after administration of the conventional form of cancer therapy.
    Type: Grant
    Filed: November 1, 2023
    Date of Patent: July 16, 2024
    Assignee: Vector Vitale IP LLC
    Inventors: Peter Novak, Maxim Temnikov, Oleksandr Balakin
  • Patent number: 12024481
    Abstract: The invention relates to bis(aniline) compounds containing multiple arylethynyl, alkylethynyl, ethynyl groups or their combinations, processes of making such compounds and materials comprising such compounds. Such, bis(aniline) compounds preferably comprise multiple phenylethynyl (PE) groups, i.e. 2-4 PE moieties. Such compounds are useful monomers for the preparation of polyimides, polyamides and poly(amide-imides) whose post-fabrication crosslinking chemistry (i.e. reaction temperature) can be controlled by the number of PE per repeat unit as well as finding utility in thermosetting matrix resins, 3D printable resins, and as high-carbon-content precursors to carbon-carbon composites.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: July 2, 2024
    Assignee: United States of America as represented by the Secretary of the Air Force
    Inventors: Loon-Seng Tan, Zhenning Yu
  • Patent number: 12017972
    Abstract: A family of low-molecular-weight, main-chain thermotropic liquid-crystalline polyimides (TLC-PI) that are crosslinkable is disclosed. These all-aromatic TLC-PI are derived from (i) wholly aromatic and flexible diamine monomers, in which the linkage between the two aniline-ends contains a relatively high heat-tolerant but flexible chain constituted by two or more units of 1,4-phenoxy or 1,3-phenoxy or in combinations of both. Processes of making and using such all-aromatic TLC-PI is also provided.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: June 25, 2024
    Assignee: The Government of the United States of America as Represented by the Secretary of the Air Force
    Inventors: Loon-Seng Tan, Zhenning Yu
  • Patent number: 12012368
    Abstract: An object is to provide a cage silicate that can be industrially safely and simply produced by using an alkali silicate solution that does not generate alcohol as a Si raw material and using non-toxic quaternary ammonium, and a method for producing the same. The problem is solved by the following cage silicate: A cage silicate consisting of anion component 1 represented by following formula (1), anion component 2 which is a mineral acid ion, cation component 1 represented by following formula (2), and cation component 2 which is an alkali ion, in which, to the mole number in terms of SiO2, a ratio of the mole number of water, (H2O/SiO2), is 0.7 to 30, a ratio of the mole number of alkali ions, (alkali ions/SiO2), is 1.0×10?7 to 1.0?10?2, and a ratio of the mole number of the mineral acid ions, (mineral acid ions/SiO2), is 1.0×10?7 to 1.0×10?3. In formula (2), R represents an alkyl group having 2 to 20 carbon atoms.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: June 18, 2024
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Jiahao Liu, Takuya Fukuoka, Hiroaki Sakaida