Patents by Inventor Kenneth E. Barrett

Kenneth E. Barrett 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).

  • ENZYMES HAVING PULLULANASE ACTIVITY
    Publication number: 20190185834
    Abstract: The present invention relates to thermostable pullulanases useful for industrial and scientific purposes. The present invention provides methods for producing the modified pullulanase, enzymatic compositions comprising the modified pullulanase, and methods for use of the enzymatic compositions.
    Type: Application
    Filed: February 21, 2019
    Publication date: June 20, 2019
    Inventors: Adrienne HUSTON DAVENPORT, Hugo D. URBINA, Kenneth E. BARRETT, Danielle CUSUMANO
  • Enzymes having pullulanase activity
    Patent number: 10266864
    Abstract: The present invention relates to thermostable pullulanases useful for industrial and scientific purposes. The present invention provides methods for producing the modified pullulanase, enzymatic compositions comprising the modified pullulanase, and methods for use of the enzymatic compositions.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: April 23, 2019
    Assignee: BASF Enzymes LLC
    Inventors: Adrienne Huston Davenport, Hugo D. Urbina, Kenneth E. Barrett, Danielle Cusumano
  • GENES ENCODING CELLULASE
    Publication number: 20190002857
    Abstract: Polynucleotide sequences are provided encoding a thermostable cellulase and directing its increased expression are provided, and the use of the thermostable cellulase in hydraulic fracturing methods and the treatment of flowback fluids.
    Type: Application
    Filed: July 6, 2018
    Publication date: January 3, 2019
    Inventors: Xuqiu Tan, Kenneth E. Barrett, Richard S. Lee
  • GENES ENCODING CELLULASE FOR HYDROLYZING GUAR FRACTURING FLUIDS UNDER EXTREME WELL CONDITIONS
    Publication number: 20180312744
    Abstract: Polynucleotide sequences encoding a thermostable cellulase and directing its increased expression are provided, and hydraulic fracturing compositions comprising such thermostable cellulase.
    Type: Application
    Filed: December 7, 2017
    Publication date: November 1, 2018
    Inventors: Xuqiu Tan, Kenneth E. Barrett, Adrienne Huston Davenport, Lawrence E. Whipple, Hugo D. Urbina, Bin Zhang, Mark A. Wall
  • Gene encoding cellulase
    Patent number: 10017754
    Abstract: Polynucleotide sequences are provided encoding a thermostable cellulase and directing its increased expression are provided, and the use of the thermostable cellulase in hydraulic fracturing methods and the treatment of flowback fluids.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: July 10, 2018
    Assignee: BASF Enzymes LLC
    Inventors: Xuqiu Tan, Kenneth E. Barrett, Richard S. Lee
  • ENZYMES HAVING PULLULANASE ACTIVITY
    Publication number: 20160046971
    Abstract: The present invention relates to thermostable pullulanases useful for industrial and scientific purposes. The present invention provides methods for producing the modified pullulanase, enzymatic compositions comprising the modified pullulanase, and methods for use of the enzymatic compositions.
    Type: Application
    Filed: March 10, 2014
    Publication date: February 18, 2016
    Inventors: ADRIENNE HUSTON DAVENPORT, HUGO D. URBINA, KENNETH E. BARRETT, DANIELLE CUSUMANO
  • GENES ENCODING CELLULASE FOR HYDROLYZING GUAR FRACTURING FLUIDS UNDER EXTREME WELL CONDITIONS
    Publication number: 20150087029
    Abstract: Polynucleotide sequences encoding a thermostable cellulase and directing its increased expression are provided, and hydraulic fracturing compositions comprising such thermostable cellulase.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 26, 2015
    Inventors: Xuqiu Tan, Kenneth E. Barrett, Adrienne Huston Davenport, Lawrence E. Whipple, Hugo D. Urbina, Bin Zhang, Mark A. Wall
  • GENE ENCODING CELLULASE
    Publication number: 20150072397
    Abstract: Polynucleotide sequences are provided encoding a thermostable cellulase and directing its increased expression are provided, and the use of the thermostable cellulase in hydraulic fracturing methods and the treatment of flowback fluids.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 12, 2015
    Inventors: Xuqiu Tan, Kenneth E. Barrett, Richard S. Lee