Patents by Inventor Junxin Duan

Junxin Duan 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).

  • Publication number: 20170240873
    Abstract: The present invention relates to isolated polypeptides having alpha-amylase activity, catalytic domains, carbohydrate binding domains and polynucleotides encoding the polypeptides, catalytic domains or carbohydrate binding domains. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides, catalytic domains or carbohydrate binding domains.
    Type: Application
    Filed: May 5, 2017
    Publication date: August 24, 2017
    Applicant: NOVOZYMES A/S
    Inventors: Ming Li, Junxin Duan, Noriko Tsutsumi, Guillermo Coward-Kelly, Henrik Lundkvist
  • Patent number: 9738874
    Abstract: The present invention relates to isolated polypeptides having laccase activity and polynucleotides encoding the polypeptides and polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: August 22, 2017
    Assignee: Novozymes Inc.
    Inventors: Ye Liu, Lan Tang, Junxin Duan, Yu Zhang
  • Patent number: 9719120
    Abstract: The present invention relates to polypeptides comprising a carbohydrate-binding module amino acid sequence and an alpha-amylase amino acid sequence as well as to the application of such polypeptides.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: August 1, 2017
    Assignees: NOVOZYMES A/S, NOVOZYMES NORTH AMERICA, INC.
    Inventors: Shiro Fukuyama, Tomoko Matsui, Chee Leong Soong, Eric Allain, Anders Vikso Nielsen, Hiroaki Udagawa, Ye Liu, Junxin Duan, Wenping Wu, Lene Nonboe Andersen
  • Patent number: 9708591
    Abstract: Provided are isolated polypeptides having endoglucanase activity and isolated polynucleotides encoding the polypeptides. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: July 18, 2017
    Assignee: Novozymes Inc.
    Inventors: Yu Zhang, Ye Liu, Junxin Duan, Lan Tang
  • Publication number: 20170198320
    Abstract: The present invention relates to isolated polypeptides having catalase activity and polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Application
    Filed: March 22, 2017
    Publication date: July 13, 2017
    Applicant: Novozymes Inc.
    Inventors: Ye Liu, Junxin Duan, Yu Zhang, Lan Tang
  • Patent number: 9695433
    Abstract: The present invention relates to isolated polypeptides having beta-xylosidase activity and polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: November 22, 2012
    Date of Patent: July 4, 2017
    Assignee: Novozymes Inc.
    Inventors: Yu Zhang, Ye Liu, Junxin Duan, Lan Tang, Brett McBrayer
  • Publication number: 20170175095
    Abstract: The present invention relates to isolated polypeptides having glucoamylase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Application
    Filed: February 27, 2017
    Publication date: June 22, 2017
    Inventors: Ming Li, Junxin Duan, Zheng Liu, Shiro Fukuyama, Keiichi Ayabe, Guillermo Coward-Kelly, Randall Deinhammer
  • Patent number: 9637725
    Abstract: Provided are isolated polypeptides having catalase activity and polynucleotides encoding the polypeptides. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: May 2, 2017
    Assignee: Novozymes Inc.
    Inventors: Ye Liu, Junxin Duan, Yu Zhang, Lan Tang
  • Patent number: 9624481
    Abstract: Provided are isolated polypeptides having beta-xylosidase activity and polynucleotides encoding the polypeptides. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: April 18, 2017
    Assignee: Novozymes, Inc.
    Inventors: Ye Liu, Lan Tang, Yu Zhang, Junxin Duan
  • Patent number: 9617527
    Abstract: The present invention relates to isolated polypeptides having glucoamylase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: April 11, 2017
    Assignee: Novozymes A/S
    Inventors: Ming Li, Junxin Duan, Zheng Liu, Shiro Fukuyama, Keiichi Ayabe, Guillermo Coward-Kelly, Randall Deinhammer
  • Patent number: 9562248
    Abstract: The present invention relates to isolated polypeptides having cellobiohydrolase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: February 7, 2017
    Assignee: NOVOZYMES INC.
    Inventors: Ye Liu, Lan Tang, Junxin Duan
  • Patent number: 9506049
    Abstract: The present invention relates to isolated polypeptides having cellulolytic enhancing activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: November 29, 2016
    Assignees: Novozymes A/S, Novozymes, Inc.
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Yu Zhang, Christian Joergensen, Randall Kramer
  • Patent number: 9499806
    Abstract: The present invention relates to isolated polypeptides having cellulolytic enhancing activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 22, 2016
    Assignee: Novozymes, Inc.
    Inventors: Yu Zhang, Junxin Duan, Lan Tang, Wenping Wu
  • Publication number: 20160319315
    Abstract: A method for degrading or converting a cellulosic material is provided, comprising (a) subjecting the cellulosic material to an enzyme composition at a mild agitation with low rotation speed; and (b) subjecting the cellulosic material to an enzyme composition at a sufficient agitation with high rotation speed. A method for producing a fermentation product is further provided, comprising (a) saccharifying the cellulosic material with an enzyme composition at a mild agitation with low rotation speed; (b) saccharifying the cellulosic material with an enzyme composition at a sufficient agitation with high rotation speed; and (c) fermenting the hydrolyzed cellulosic material with one or more fermenting microorganisms to produce the fermentation product.
    Type: Application
    Filed: December 25, 2014
    Publication date: November 3, 2016
    Applicant: Novozymes A/S
    Inventors: Mingjia Zhang, Qingxin Yu, Xin Wu, Junxin Duan
  • Publication number: 20160230158
    Abstract: The present invention relates to isolated polypeptides having cellulolytic enhancing activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Application
    Filed: April 26, 2016
    Publication date: August 11, 2016
    Inventors: Yu Zhang, Junxin Duan, Lan Tang, Wenping Wu
  • Publication number: 20160208230
    Abstract: The present invention relates to an isolated polynucleotide comprising an open reading frame encoding a polypeptide having alpha-amylase activity, the polypeptide selected from the group consisting of: a) a polypeptide comprising an amino acid sequence which has at least 70% identity with amino acids 22 to 450 of SEQ ID NO: 4; b) a polypeptide comprising an amino acid sequence which has at least 70% identity with the polypeptide encoded by the amylase encoding part of the polynucleotide inserted into a plasmid present in the E. coli host deposited under the Budapest Treaty with DSMZ under accession number DSM 15334; c) a polypeptide encoded by a polynucleotide comprising a nucleotide sequence which has at least 70% identity with the sequence shown from position 68 to 1417 in SEQ ID NO: 3; and d) a fragment of (a), (b) or (c) that has alpha-amylase activity.
    Type: Application
    Filed: April 6, 2016
    Publication date: July 21, 2016
    Applicant: NOVOZYMES A/S
    Inventors: Lan Tang, Wenping Wu, Junxin Duan, Pia Francke Johannesen
  • Patent number: 9394533
    Abstract: The present invention relates to an isolated polynucleotide comprising an open reading frame encoding a polypeptide having alpha-amylase activity, the polypeptide selected from the group consisting of: a) a polypeptide comprising an amino acid sequence which has at least 70% identity with amino acids 22 to 450 of SEQ ID NO: 4; b) a polypeptide comprising an amino acid sequence which has at least 70% identity with the polypeptide encoded by the amylase encoding part of the polynucleotide inserted into a plasmid present in the E. coli host deposited under the Budapest Treaty with DSMZ under accession number DSM 15334; c) a polypeptide encoded by a polynucleotide comprising a nucleotide sequence which has at least 70% identity with the sequence shown from position 68 to 1417 in SEQ ID NO: 3; and d) a fragment of (a), (b) or (c) that has alpha-amylase activity.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: July 19, 2016
    Assignee: Novozymes A/S
    Inventors: Lan Tang, Wenping Wu, Junxin Duan, Pia Francke Johannesen
  • Patent number: 9365843
    Abstract: The present invention relates to isolated polypeptides having cellulolytic enhancing activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: June 14, 2016
    Assignee: Novozymes, Inc.
    Inventors: Yu Zhang, Junxin Duan, Lan Tang, Wenping Wu
  • Publication number: 20160060670
    Abstract: The present invention relates to isolated polypeptides having cellobiohydrolase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.
    Type: Application
    Filed: November 13, 2015
    Publication date: March 3, 2016
    Applicant: NOVOZYMES INC.
    Inventors: Ye Liu, Lan Tang, Junxin Duan
  • Publication number: 20160040205
    Abstract: The present invention relates to polypeptides comprising a carbohydrate-binding module amino acid sequence and an alpha-amylase amino acid sequence as well as to the application of such polypeptides.
    Type: Application
    Filed: October 20, 2015
    Publication date: February 11, 2016
    Applicants: NOVOZYMES NORTH AMERICA, INC., NOVOZYMES A/S
    Inventors: Shiro Fukuyama, Tomoko Matsui, Chee Leong Soong, Eric Allain, Anders Vikso Nielsen, Hiroaki Udagawa, Ye Liu, Junxin Duan, Wenping Wu, Lene Nonboe Andersen