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).

  • Patent number: 8465949
    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: July 13, 2012
    Date of Patent: June 18, 2013
    Assignees: Novozymes, Inc, Novozymes A/S
    Inventors: Junxin Duan, Lan Tang, Ye Liu, Wenping Wu, Jason Quinlan, Randall Kramer
  • Patent number: 8431362
    Abstract: The present invention relates to isolated polypeptides having xylanase 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: October 26, 2012
    Date of Patent: April 30, 2013
    Assignees: Novozymes A/S, Novozymes, Inc.
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Hanshu Ding
  • Publication number: 20130095522
    Abstract: The present invention relates to processes for producing fermentation products from starch-containing material, wherein liquefied mash is saccharified or pre-saccharified using a thermostable carbohydrate-source generating enzyme before fermentation or SSF.
    Type: Application
    Filed: April 13, 2011
    Publication date: April 18, 2013
    Applicants: NOVOZYMES NORTH AMERICA, INC., NOVOZYMES A/S
    Inventors: Randall Deinhammer, Guillermo Coward-Kelly, Ming Li, Junxin Duan, Zheng Liu, Shiro Fukuyama, Keiichi Ayabe
  • Patent number: 8420351
    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: July 13, 2012
    Date of Patent: April 16, 2013
    Assignees: Novozymes A/S, Novozymes, Inc.
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Yu Zhang, Christian Isak Jorgensen, Randall Kramer
  • Publication number: 20130045505
    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: July 13, 2012
    Publication date: February 21, 2013
    Applicants: Novozymes, Inc., Novozymes A/S
    Inventors: Junxin Duan, Ye Liu, Lan Tang, Wenping Wu, Jason Quinlan, Randall Kramer
  • Publication number: 20130045506
    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: July 13, 2012
    Publication date: February 21, 2013
    Applicants: Novozymes, Inc., Novozymes A/S
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Yu Zhang, Christian Isak Jorgensen, Randall Kramer
  • Publication number: 20130031676
    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: April 11, 2011
    Publication date: January 31, 2013
    Applicant: Novozymes A/S
    Inventors: Ming Li, Junxin Duan, Zheng Liu, Shiro Fukuyama, Keiichi Ayabe, Guillermo Coward-Kelly, Randall Deinhammer
  • Patent number: 8299322
    Abstract: The present invention relates to isolated polypeptides having xylanase 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 23, 2012
    Date of Patent: October 30, 2012
    Assignee: Novozymes, A/S
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Hanshu Ding
  • Publication number: 20120237979
    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: September 30, 2010
    Publication date: September 20, 2012
    Applicant: NOVOZYMES A/S
    Inventors: Junxin Duan, Kirk Matthew Schnorr, Wenping Wu
  • Publication number: 20120240293
    Abstract: The present invention relates to isolated polypeptides having xylanase 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: May 23, 2012
    Publication date: September 20, 2012
    Applicants: Novozymes, Inc., Novozymes A/S
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Hanshu Ding
  • Patent number: 8242328
    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: March 26, 2012
    Date of Patent: August 14, 2012
    Assignees: Novozymes, Inc., Novozymes A/S
    Inventors: Junxin Duan, Lan Tang, Ye Liu, Wenping Wu, Jason Quinlan, Randall Kramer
  • Patent number: 8242329
    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: March 29, 2012
    Date of Patent: August 14, 2012
    Assignees: Novozymes, Inc., Novozymes A/S
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Yu Zhang, Christian Isak Jorgensen, Randall Kramer
  • Publication number: 20120185970
    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: March 26, 2012
    Publication date: July 19, 2012
    Applicants: Novozymes, Inc., Novozymes A/S
    Inventors: Junxin Duan, Ye Liu, Lan Tang, Wenping Wu, Jason Quinlan, Randall Kramer
  • Publication number: 20120185971
    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: March 29, 2012
    Publication date: July 19, 2012
    Applicants: Novozymes, Inc., Novozymes A/S
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Yu Zhang, Christian Isak Jorgensen, Randall Kramer
  • Patent number: 8211665
    Abstract: The present invention relates to isolated polypeptides having xylanase 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 29, 2010
    Date of Patent: July 3, 2012
    Assignees: Novozymes, Inc., Novozymes A/S
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Hanshu Ding
  • Patent number: 8148103
    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 29, 2010
    Date of Patent: April 3, 2012
    Assignees: Novozymes, Inc., Novozymes A/S
    Inventors: Lan Tang, Ye Liu, Junxin Duan, Yu Zhang, Christian Isak Jorgensen, Randall Kramer
  • Patent number: 8143021
    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: July 7, 2010
    Date of Patent: March 27, 2012
    Assignees: Novozymes, Inc., Novozymes A/S
    Inventors: Junxin Duan, Ye Liu, Lan Tang, Wenping Wu, Jason Quinlan, Randall Kramer
  • Publication number: 20120003700
    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: September 13, 2011
    Publication date: January 5, 2012
    Applicant: Novozymes A/S
    Inventors: Tang Lan, Wu Wenping, Junxin Duan, Pia Francke Johannesen
  • Patent number: 8039241
    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 1 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: April 6, 2010
    Date of Patent: October 18, 2011
    Assignee: I Novozymes A/S
    Inventors: Lan Tang, Wenping Wu, Junxin Duan, Pia Francke Johannesen
  • Publication number: 20110104759
    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: December 20, 2010
    Publication date: May 5, 2011
    Applicants: 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