Patents Examined by Shaojia Jiang
  • Patent number: 11939407
    Abstract: The present application discloses regioselectively substituted cellulose esters, films made from the regioselectively substituted cellulose esters and methods for making the same. The regioselectively substituted cellulose esters are synthesized using trifluoroacetic anhydride and cellulose with various acyl donors or acyl donor precursors.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: March 26, 2024
    Assignee: Eastman Chemical Company
    Inventors: Casey Lynn Elkins, Robert Jacks Sharpe, Bin Wang
  • Patent number: 11926714
    Abstract: The disclosure provides redispersible CNC. The CNC disclosed herein is redispersible in non-polar and polar organic solvents as well as polar and non-polar polymers such as polyethylene or polypropylene. The disclosure surprisingly also provides redispersible CNC bearing improved redispersion in aqueous systems and most particularly in high ionic strength aqueous systems which usually require significant mixing energy to achieve dispersion.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: March 12, 2024
    Assignee: CELLUFORCE INC.
    Inventors: Philippe Bourassa, Myriam Methot, Richard Berry
  • Patent number: 11919974
    Abstract: Provided is an oxidized cellulose, a 13C solid-state NMR spectrum of the oxidized cellulose including a number of peaks in a range of from 165 ppm to 185 ppm, which can be produced by oxidizing a cellulose raw material with a hypochlorous acid or salt thereof having an available chlorine concentration of from 6% by mass to 14% by mass, while adjusting the pH in a range of from 5.0 to 14.0.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 5, 2024
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Daisuke Kamiya, Shiroshi Matsuki, Jun Takada
  • Patent number: 11905339
    Abstract: The invention relates to a method for producing a low-viscosity cellulose ether product, and to the use thereof.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 20, 2024
    Assignee: SE TYLOSE GMBH & CO. KG
    Inventor: Mike Kleinert
  • Patent number: 11879022
    Abstract: There is provided a method for producing a depolymerized cellulose ether having yellowness reduced. More specifically, there is provided a method for producing a depolymerized cellulose ether comprising a depolymerization step of depolymerizing a cellulose ether with an aqueous solution of acid in the presence of a polyhydric alcohol having 2 to 6 carbon atoms.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: January 23, 2024
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shinnosuke Inada, Taishi Kitaguchi, Akira Kitamura, Mitsuo Narita
  • Patent number: 11872244
    Abstract: A method of treatment includes agitating a thixotropic oxidized cellulose solution; administering the agitated thixotropic oxidized cellulose solution to a target tissue site; and allowing the agitated thixotropic oxidized cellulose solution to gel at the target tissue site.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: January 16, 2024
    Assignee: Covidien LP
    Inventors: Rachit Ohri, Phillip D. Blaskovich, Min-Shyan Sheu, Petra Brockfeld
  • Patent number: 11845810
    Abstract: A silicon glycan is provided. The silicon glycan comprises a glycoside moiety, independently selected organosilicon moieties, and beta-amino alcohol moieties joining the organosilicon moieties to the glycoside moiety. The glycoside moiety comprises independently selected saccharide moieties, which may be substituted with hydrocarbyl groups, ether moieties, and/or amine moieties. A method of preparing the silicon glycan is also provided. The method includes reacting (A) an aminoethyl polysaccharide and (B) an epoxide-functional organosilicon compound, to give the silicon glycan. The method may include preparing the aminoethyl polysaccharide (A) by first reacting (At) a hydroxyl-functional polysaccharide and (A2) an aziridinium halide compound to give the aminoethyl polysaccharide (A).
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: December 19, 2023
    Assignees: DOW SILICONES CORPORATION, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Marc-Andre Courtemanche, Michael Salvatore Ferritto, Emmett Partain, Wendy Xu
  • Patent number: 11834524
    Abstract: The application discloses a method for preparing chitin highly dispersible in aqueous phase and prepared chitin. After chitin is ground, dissolved, modified with glycidol and purified, a final product glycidol chitin is obtained. The glycidol chitin prepared according to this method has good solubility in purified water, and the concentration can reach 100 mg/mL, which is obviously different from common insoluble or poorly soluble chitin derivatives. Glycidol chitin may have a wide range of application prospects in biomedicine, cosmetics, absorbable materials, and other related aspects.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: December 5, 2023
    Assignee: Hangzhou Singclean Medical Products Co., Ltd
    Inventors: Jue Wang, Yaru Wu, Meiqin Zhu
  • Patent number: 11732055
    Abstract: Provided is a novel manufacturing method whereby a carboxymethylated cellulose nanofiber dispersion having high tarnasparency can be obtained economically. In carboxymethylation of cellulose in the present invention, mercerization is performed in water as the main solvent, after which carboxymethylation is performed in a solvent mixture of water and an organic solvent, By defibrating the resultant carboxymethylated cellulose, a carboxymethylated cellulose nanofiber dispersion having high transparency can be obtained economically.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: August 22, 2023
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Kazuhiko Inoue, Takeshi Nakatani, Yusuke Tada
  • Patent number: 11701374
    Abstract: 8-Hydroxy quinoline derivative compounds for enhancing telomerase reverse transcriptase (TERT) expression, and methods for using the same, are provided. These compounds and methods find use in a variety of applications in which increased expression of telomerase reverse transcriptase is desired.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: July 18, 2023
    Assignee: Sierra Sciences, Inc.
    Inventors: William H. Andrews, Lancer K. Brown, Laura A. Briggs, Federico C. A. Gaeta, Hamid Mohammadpour, Mieczyslaw A. Piatyszek
  • Patent number: 11697665
    Abstract: Disclosed herein are C-mannoside compounds, compositions thereof and their application as pharmaceuticals for the treatment of human disease. Methods of inhibition of FimH activity in a human subject are also provided for the treatment of diseases such as bacterial infection, Crohn's disease (CD) and Inflammatory Bowel Disease (IBD).
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: July 11, 2023
    Assignees: Fimbrion Therapeutics, Inc., GlaxoSmithKline Intellectual Property Development Limited
    Inventors: Michael Joseph Bishop, Eugene L. Stewart, Katherine Louisa Widdowson, James Walter Janetka, Laurel Kathryn McGrane
  • Patent number: 11672817
    Abstract: The application describes compositions that include maltosyl-isomalto-oligosaccharides with a desirable mass average molecular weight distribution. In some cases, the compositions can contain at least 3% mannitol.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: June 13, 2023
    Assignee: ISOThrive Inc.
    Inventors: Lee Madsen, II, Jack Oswald
  • Patent number: 11667981
    Abstract: Processes for converting lignocellulose to feedstock and downstream products are disclosed. The processes may include acid treatment of lignocellulose to produce a fermentation feedstock. In various instances, the processes include recovery or recycling of acid, such as recovery of hydrochloric acid from concentrated and/or dilute streams. Downstream products may include acrylic acid-based products such as diapers, paper and paper-based products, ethanol, biofuels such as biodiesel and fuel additives, and detergents.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: June 6, 2023
    Assignee: VIRDIA, LLC
    Inventors: Aharon Eyal, Robert P. Jansen
  • Patent number: 11642360
    Abstract: The present disclosure is related to dietary supplements. For example, this disclosure relates to compositions that include, for example, one or more agents that decrease the concentration of cyclooxygenase-2, decrease the concentration of transient receptor potential cation channel subfamily V member 1, and/or decrease calcitonin gene-related peptide concentration. In some embodiments, a composition as provided herein includes apigenin present in an amount of about 1% to about 5% w/w of the composition; and hesperidin present in an amount of about 90% to about 99% w/w of the composition. Such compositions are useful for decreasing joint pain and/or inflammation.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: May 9, 2023
    Assignee: BioRelief, LLC
    Inventors: Gary Jeffery Ramey, V. A. Shiva Ayyadurai, Prabhakar Deonikar
  • Patent number: 11639348
    Abstract: Provided herein are compounds having the structure of Formulas A-D and compositions thereof for use in the detection and quantification of viral neuraminidase. In particular, the compounds may be useful for the evaluation of viral strains and for vaccine evaluation.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: May 2, 2023
    Inventors: Stephen G. Withers, Zhizeng Gao
  • Patent number: 11633413
    Abstract: The present disclosure relates to a composition comprising (20S,24R)-6-O-?-D-glucopyranosyl(1?2)-?-D-glucopyranoside-dammar-3-one-20,24-epoxy-6a,12b,25-triol, which is a novel ginsenoside, a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof as an active ingredient. In addition, it relates to a method for preventing or improving menopausal symptoms, which comprises administering an effective amount of (20S,24R)-6-O-?-D-glucopyranosyl(1?2)-?-D-glucopyranoside-dammar-3-one-20,24-epoxy-6a,12b,25-triol, a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof to a subject in need thereof. The novel ginsenoside has a superior effect of preventing or improving menopausal symptoms with a low risk of breast cancer.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: April 25, 2023
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Yong Deog Hong, Hyun Woo Jeong
  • Patent number: 11629162
    Abstract: A number of triterpene saponin variants with different modifications on their central glycosyl ester linkage are described. Also described are methods of making and method of using such triterpene saponin variants.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: April 18, 2023
    Assignee: Memorial Sloan-Kettering Cancer Center
    Inventors: Derek S. Tan, David Y. Gin, William E. Walkowicz, Alberto Fernandez-Tejada, Govindaswami Ragupathi
  • Patent number: 11623011
    Abstract: Provided herein is chitosan dually derivatized with arginine and gluconic acid; and methods of making and using the same, e.g., for gene delivery in vivo.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: April 11, 2023
    Assignee: ENGENE, INC.
    Inventors: Jun Gao, Eric Hsu, Anthony Cheung
  • Patent number: 11622974
    Abstract: Disclosed herein is an ingestible composition comprising a sphingan and its use as a prebiotic.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: April 11, 2023
    Assignee: C.P. Kelco U.S., Inc.
    Inventors: Neil A. Morrison, Hailong Yu, John P. Abdou, Narayana Murthy Manjunatha, Todd A. Talashek
  • Patent number: 11603447
    Abstract: The present invention relates to a method of producing a chitin oligomer, including subjecting chitin-containing biomass to partial hydrolysis while pulverizing the chitin-containing biomass with a pulverization apparatus in the co-presence of water and an acid catalyst selected from phosphoric acid, nitrous acid, and an organic acid (Method 1); a method of producing N-acetylglucosamine, including hydrolyzing a chitin oligomer obtained by the Method 1 by adding water thereto, followed by heating (Method 2); and a method of producing a 1-O-alkyl-N-acetylglucosamine, including alcoholyzing a chitin oligomer by adding an alcohol thereto (Method 3).
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: March 14, 2023
    Assignees: SHOWA DENKO K. K., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Ichiro Fujita, Atsushi Fukuoka, Hirokazu Kobayashi