Patents Examined by Todd M Epstein
  • Patent number: 11566269
    Abstract: The present disclosure provides recombinant microorganisms and methods for the production of 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA from a carbon source. The method provides for engineered microorganisms that express endogenous and/or exogenous nucleic acid molecules that catalyze the conversion of a carbon source into 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA. The disclosure further provides methods of producing polymers derived from 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: January 31, 2023
    Assignee: BRASKEM S.A.
    Inventors: Paulo Moises Raduan Alexandrino, Iuri Estrada Gouvea, Veronica Leite Queiroz, Marcos Rogerio Simões
  • Patent number: 11566270
    Abstract: The present disclosure provides recombinant microorganisms and methods for the production of 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA from a carbon source. The method provides for engineered microorganisms that express endogenous and/or exogenous nucleic acid molecules that catalyze the conversion of a carbon source into 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA. The disclosure further provides methods of producing polymers derived from 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: January 31, 2023
    Assignee: BRASKEM S.A.
    Inventors: Paulo Moises Raduan Alexandrino, Iuri Estrada Gouvea, Veronica Leite Queiroz, Felipe Cicaroni Fernandes, Bárbara Mano
  • Patent number: 11560576
    Abstract: The present disclosure relates to genetically engineered host cells and methods of producing a lipid-derived compound by employing such host cells. In particular embodiments, the host cell includes a first mutant gene encoding a cytoplasmic tRNA thiolation protein. Optionally, the host cell can include other mutant genes for decreasing fatty alcohol catabolism, decreasing re-importation of secreted fatty alcohol, or displaying other useful characteristics, as described herein.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: January 24, 2023
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventors: Samuel Coradetti, John Michael Gladden, Di Liu, Gina Marie Geiselman
  • Patent number: 11555194
    Abstract: Isolated nucleic acids, expression methods, host cells, expression vectors, and DNA constructs for producing proteins, and proteins produced using the expression methods are disclosed. More specifically, nucleic acids isolated from Pichia pastons having promoter activity and expression methods, host cells, expression vectors, and DNA constructs of using the Pichia pastons promoters to produce different proteins and polypeptides are disclosed.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: January 17, 2023
    Assignee: BIOGRAMMATICS, INC.
    Inventors: Ilya I. Tolstorukov, James M. Cregg, Thomas G. Chappell, Knut R. Madden
  • Patent number: 11542479
    Abstract: The invention discloses an alcohol dehydrogenase mutant and use thereof. The alcohol dehydrogenase mutant of the present invention has high thermal stability and enables high catalytic efficiency and high conversion rate (i.e. space time yield) in the asymmetric reduction of prochiral diaryl ketones to produce chiral diaryl alcohols. Therefore, the alcohol dehydrogenase mutant of the present invention has extremely high prospect of application in the production of chiral diaryl alcohols, such as (S)-(4-chlorophenyl)-(pyridin-2-yl)-methanol, (R)-(4-chlorophenyl)-(pyridin-2-yl)-methanol.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: January 3, 2023
    Assignee: JIANGNAN UNIVERSITY
    Inventors: Ye Ni, Wei Dai, Guochao Xu, Jieyu Zhou, Ruizhi Han, Jinjun Dong
  • Patent number: 11535876
    Abstract: The present disclosure relates to the field of genetic engineering, especially relates to a xylose-induced genetically engineered bacteria used for producing ectoine as well as a construction method and use thereof. The genetically engineered bacteria is constructed by heterologously expressing the ectABC gene cluster from Halomonas elongata on the E. coli chromosome, using the promoter of xylose transporter coding gene xylF to control the RNA polymerase from T7 bacteriophage, reconstructing a synthesis pathway of ectoine and constructing a plasmid-free system, and enhancing the expression of target genes by a strong promoter T7; the yield of ectoine reached 12-16 g/L after 20-28 h fermentation in shake flask, and reached 35-50 g/L after 24-40 h fermentation in a 5 L fermentor.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: December 27, 2022
    Assignee: Tianjin University of Science and Technology
    Inventors: Xixian Xie, Xuejiao Wu, Ning Chen, Fangqing Yan, Qian Ma, Jie Ma, Hongchao Zhang
  • Patent number: 11535877
    Abstract: The present invention relates generally to the field of industrial biotechnology and particularly to an improved hydrolysis method for increasing sugar production from a high solids concentration of lignocellulosic biomass, especially one derived from Municipal Solid Waste (MSW) by enzymatic hydrolysis of a lignocellulosic biomass to obtain a slurry, wherein the hydrolysis comprises aliquot additions of enzyme and lignocellulosic biomass; and removal of sugars from the slurry and washing of the residual lignocellulosic biomass.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: December 27, 2022
    Assignee: FIBERIGHT LIMITED
    Inventors: Nicholas Mark Thompson, Dhivya Jyoti Puri, Peter Speller
  • Patent number: 11535832
    Abstract: The present invention relates to esterases, more particularly to esterase variants having improved activity and/or improved themostability compared to the esterase of SEQ ID NO:1 and the uses thereof for degrading polyester containing material, such as plastic products. The esterases of the invention are particularly suited to degrade polyethylene terephthalate, and material containing polyethylene terephthalate.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: December 27, 2022
    Assignee: CARBIOS
    Inventors: Benoît David, Isabelle Andre, Maher Ben Khaled, Sophie Duquesne, Alain Marty
  • Patent number: 11518989
    Abstract: A method of improving a ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCo) to have a higher protein score is disclosed. The method includes the steps of: making a modified RbcL of the RuBisCo, by, on an RbcL unit of the RuBisCo, either substituting Met for Leu, Phe, Val, or Ile or combinations thereof; substituting Lys for Arg, Thr, or His or combinations thereof; or both of these substitutions. The modified RbcL consequently modifies the RuBisCo and is added to a biomass host where it is stable for homologous recombination. Plastid and nucleus integration was observed. Example RbcL sequences are disclosed with the desirable substitutions. The improved RuBisCo can be used as an improved proteinaceous food source for humans and animals.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: December 6, 2022
    Assignees: National Technology & Engineering Solutions of Sandia, LLC, Arizona Board of Regents on behalf of Arizona State University
    Inventors: Ryan Wesley Davis, Joseph S. Schoeniger, Arul M. Varman, Muhammad Faisal, Aditya Pandharinath Sarnaik
  • Patent number: 11518987
    Abstract: The present invention relates to protease variants and methods for obtaining protease variants. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: December 6, 2022
    Assignee: NOVOZYMES A/S
    Inventors: Jens Nielsen, Pernille Hede, Esben Peter Friis
  • Patent number: 11512299
    Abstract: The present invention has a purpose of providing a novel ?-galactosidase enzyme useful for the production of oligosaccharides. Disclosed is a ?-galactosidase enzyme comprising the amino acid sequence of any one of SEQ ID NOs: 1 to 4 or an amino acid sequence that is 80% or more identical to said amino acid sequence.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: November 29, 2022
    Assignee: AMANO ENZYME INC.
    Inventors: Yukiko Hoshi, Masamichi Okada, Akio Horii, Masayuki Hojo
  • Patent number: 11499172
    Abstract: Use of a stereoselective transaminase in the asymmetric synthesis of a chiral amine. In particular, provided is use of a polypeptide in the production of a chiral amine or a downstream product using a chiral amine as a precursor. Further provided is a method for producing a chiral amine, comprising culturing a strain expressing the polypeptide so as to obtain a chiral amine. Further provided are a chiral amine production strain and a method for constructing the chiral amine production strain. The stereoselective transaminase has a broad substrate spectrum and thus has a broad application potential in the preparation of a chiral amine.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: November 15, 2022
    Assignee: Abiochem Biotechnology Co., Ltd.
    Inventors: Zhanbing Cheng, Tao Zhang, Zhenhua Tian, Shaonan Ding
  • Patent number: 11479763
    Abstract: Certain embodiments of the disclosure are directed to the expression/production of ?-galactosidases in recombinant Bacillus spp. host cells having reduced or eliminated para-nitrobenzylesterase activity.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: October 25, 2022
    Assignee: Dupont Nutrition Biosciences APS
    Inventors: Cristina Bongiorni, Karina Hansen Kjaer
  • Patent number: 11459589
    Abstract: The invention provides a method for producing a terpene or a precursor thereof by microbial fermentation. Typically, the method involves culturing a recombinant bacterium in the presence of a gaseous substrate whereby the bacterium produces a terpene or a precursor thereof, such as mevalonic acid, isopentenyl pyrophosphate, dimethylallyl pyrophosphate, isoprene, geranyl pyrophosphate, farnesyl pyrophosphate, and/or farnesene. The bacterium may comprise one or more exogenous enzymes, such as enzymes in mevalonate, DXS, or terpene biosynthesis pathways.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: October 4, 2022
    Assignee: LanzaTech NZ, Inc.
    Inventor: Michael Koepke
  • Patent number: 11453895
    Abstract: The present invention relates to methods and engineered microbial hosts useful for treating lignin or a derivative thereof. In some embodiments, the host has one or more exogenous nucleic acid sequences that encode a ligninase (e.g., a laccase and/or a peroxidase).
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: September 27, 2022
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventors: Seema Singh, Arul Mozhy Varman
  • Patent number: 11447800
    Abstract: The present disclosure relates to a novel method of producing vanillin and/or derivatives thereof by applying improved biocatalysts. Also provided herein are expression systems for preparing said improved biocatalysts. Moreover provided herewith are novel enzyme mutants, corresponding coding sequences and vectors applicable in the biochemical production of vanillin. The present disclosure further provides recombinant host cells or organisms genetically modified for improved functional expression of biocatalysts, as well as recombinant host cells or organisms useful to produce vanillin.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: September 20, 2022
    Assignee: FIRMENICH SA
    Inventor: Fredi Bruhlmann
  • Patent number: 11441129
    Abstract: The present invention provides at least two modified gene sequences, Sequence 1 comprising of nucleotide sequence of SEQ. ID no.1, and Sequence 2 comprising of nucleotide sequence of SEQ. ID no.2, encoding the enzyme choline oxidase wherein the gene sequences have been obtained by modifying the codA gene (Accession no. X84895) encoding choline oxidase from Arthrobacter globiformis, and a method to enzymatically produce betaine using choline oxidases encoded by Sequence 1, and Sequence 2, wherein the enzymatically produced betaine has minimal undesired trimethylamine contamination.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 13, 2022
    Inventor: Prashant Gaur
  • Patent number: 11414683
    Abstract: The invention describes a process for the production of ethanol from a composition comprising glucose and between 50 ?M and 100 mM acetic acid, said process comprising fermenting said composition in the presence of a recombinant yeast which is capable to convert acetic acid anaerobically; maintaining the amount of undissociated acetic acid at a value of at least 50 ?M; and recovering the ethanol. Said process is useful for both starch and cellulosic based, acetic acid containing hydrolysates and advantageously results in a greater consumption of acetic acid and thus higher ethanol yields.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: August 16, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventor: Hans Marinus Charles Johannes De Bruijn
  • Patent number: 11407989
    Abstract: The present invention relates to protease variants and methods for obtaining protease variants. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: August 9, 2022
    Assignee: Novozymes A/S
    Inventors: Annette H. Johansen, Rolf T. Lenhard, Peter Esben Friis
  • Patent number: 11390856
    Abstract: The present invention relates to variant of Family A polymerases able to synthesize a nucleic acid fragment without template and to incorporate a reversible modified terminator nucleotide during the nucleic acid fragment synthesis. The present invention further relates to uses thereof for enzymatic synthesis of nucleic acid molecules.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: July 19, 2022
    Assignee: DNA Script
    Inventors: Thomas Ybert, Elise Champion, Omar Vivar, Ahmed Said