Patents by Inventor Douglas A. Hattendorf

Douglas A. Hattendorf has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sucrose invertase variants
    Patent number: 12338468
    Abstract: The present disclosure provides sucrose invertase variants having an enhanced ability to hydrolyze sucrose into glucose and fructose and related methods and compositions.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: June 24, 2025
    Assignee: Corbion Biotech, Inc.
    Inventors: Nien-Hsi Ko, Janice Lau Wee, Douglas A. Hattendorf
  • Beta-ketoacyl-ACP synthase II variants
    Patent number: 11618890
    Abstract: Provided are non-natural or variant beta-ketoacyl-acyl carrier protein (ACP) synthase (KAS) II enzymes (KASII), polynucleotides encoding such variant KASII, host cells expressing such variant KASII, oils and oil products produced by such cells, and methods of making and using such variant KASII.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: April 4, 2023
    Assignee: Corbion Biotech, Inc.
    Inventors: Nien-Hsi Ko, Joshua Ferreira, Janice Lau Wee, William E. Maffe, Douglas A. Hattendorf
  • SUCROSE INVERTASE VARIANTS
    Publication number: 20230037413
    Abstract: The present disclosure provides sucrose invertase variants having an enhanced ability to hydrolyze sucrose into glucose and fructose and related methods and compositions.
    Type: Application
    Filed: November 19, 2020
    Publication date: February 9, 2023
    Applicant: Corbion Biotech, Inc.
    Inventors: Nien-Hsi KO, Janice Lau WEE, Douglas A. HATTENDORF
  • BETA-KETOACYL-ACP SYNTHASE II VARIANTS
    Publication number: 20210246434
    Abstract: Provided are non-natural or variant beta-ketoacyl-acyl carrier protein (ACP) synthase (KAS) II enzymes (KASII), polynucleotides encoding such variant KASII, host cells expressing such variant KASII, oils and oil products produced by such cells, and methods of making and using such variant KASII.
    Type: Application
    Filed: August 21, 2019
    Publication date: August 12, 2021
    Inventors: Nien-Hsi KO, Joshua FERREIRA, Janice Lau WEE, William E. MAFFE, Douglas A. HATTENDORF
  • Gene disruptants producing fatty acyl-CoA derivatives
    Patent number: 9738912
    Abstract: This invention provides microbial organisms, particularly yeasts such as Yarrowia lipolytica, that have one or more disrupted genes. The gene disruption(s) may yield improved production of fatty acyl-CoA derivatives.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: August 22, 2017
    Assignee: SHELL OIL COMPANY
    Inventors: Douglas A. Hattendorf, Jennifer L. Shock, Louis Clark
  • GENE DISTRUPTANTS PRODUCING FATTY ACYL-COA DERIVATIVES
    Publication number: 20160090612
    Abstract: This invention provides microbial organisms, particularly yeasts such as Yarrowia lipolytica, that have one or more disrupted genes. The gene disruption(s) may yield improved production of fatty acyl-CoA derivatives.
    Type: Application
    Filed: September 3, 2015
    Publication date: March 31, 2016
    Inventors: Douglas A. HATTENDORF, Jennifer L. SHOCK, Louis CLARK
  • Gene disruptants producing fatty acyl-CoA derivatives
    Patent number: 9157103
    Abstract: This invention provides microbial organisms, particularly yeasts such as Yarrowia lipolytica, that have one or more disrupted genes. The gene disruption(s) may yield improved production of fatty acyl-CoA derivatives.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: October 13, 2015
    Assignee: Shell Oil Company
    Inventors: Douglas A. Hattendorf, Jennifer L. Shock, Louis Clark
  • CBH1A VARIANTS
    Publication number: 20150087028
    Abstract: The invention relates to recombinant expression of variant forms of M. thermophila CBH1a and homologs thereof, having improved thermoactivity, specific activity, and other desirable properties. Also provided are methods for producing ethanol and other valuable organic compounds by combining cellobiohydrolase variants with cellulosic materials.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 26, 2015
    Inventors: Behnaz Behrouzian, Xinkai Xie, Kui Chan, Xiyun Zhang, Vesna Mitchell, Douglas A. Hattendorf
  • Production of fatty alcohols with fatty alcohol forming acyl-CoA reductases (FAR)
    Patent number: 8574877
    Abstract: The disclosure relates to methods of producing fatty alcohols from recombinant host cells comprising genes encoding heterologous fatty acyl-CoA reductase (FAR) enzymes. The disclosure further relates to FAR enzymes and functional fragments thereof derived from marine bacterium and particularly marine gamma proteobacterium such as Marinobacter and Oceanobacter; polynucleotides encoding the FAR enzymes and vectors and host cells comprising the same.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: November 5, 2013
    Assignee: Codexis, Inc.
    Inventors: Robert McDaniel, Behnaz Behrouzian, Louis Clark, Douglas A. Hattendorf, Fernando Valle
  • YEAST PROMOTERS
    Publication number: 20120164686
    Abstract: The invention relates to recombinant promoters and expression constructs comprising the promoters that may be used to express a protein of interest in yeast, such as Yarrowia lipolytica.
    Type: Application
    Filed: December 19, 2011
    Publication date: June 28, 2012
    Applicant: Codexis, Inc.
    Inventors: Douglas A. Hattendorf, Antoinette Sero
  • GENE DISRUPTANTS PRODUCING FATTY ACYL-COA DERIVATIVES
    Publication number: 20120165562
    Abstract: This invention provides microbial organisms, particularly yeasts such as Yarrowia lipolytica, that have one or more disrupted genes. The gene disruption(s) may yield improved production of fatty acyl-CoA derivatives.
    Type: Application
    Filed: December 19, 2011
    Publication date: June 28, 2012
    Applicant: Codexis, Inc.
    Inventors: Douglas A. Hattendorf, Jennifer L. Shock, Louis Clark