Patents by Inventor Huaming Wang

Huaming Wang 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: 8198046
    Abstract: The invention relates to a fusion DNA construct comprising a KEX2 region comprising a KEX2 site and a KEX2 site pre-sequence immediately 5? to the KEX2 site, a fusion polypeptide, vectors and cells comprising the fusion DNA construct, methods for producing desired proteins from filamentous fungal cells and methods for enhancing the secretion and/or cleavage of a desired protein from a cell.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: June 12, 2012
    Assignee: Danisco US Inc.
    Inventors: Huaming Wang, Michael Ward
  • Patent number: 8105812
    Abstract: Novel laccases, nucleic acid sequences encoding such laccases, and vectors and host cells for expressing the laccases are described. The novel laccase enzymes may be employed in conjunction with mediators to provide an improved method for bleaching denim fabrics.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: January 31, 2012
    Assignee: Danisco US Inc.
    Inventors: Huaming Wang, Joseph C. McAuliffe
  • Publication number: 20110302722
    Abstract: Laccase enzymes and nucleic acid sequences encoding such laccase enzymes are described. The laccase enzymes may be employed in conjunction with mediators in improved methods for modifying the color of denim fabrics. Low temperature and single-bath textile processing using laccase enzymes are also described.
    Type: Application
    Filed: December 22, 2009
    Publication date: December 15, 2011
    Applicant: DANISCO US INC.
    Inventors: Wayne Ashton, Andreas J. Krouwer, Joseph C. McAuliffe, Piera M. Pericu, Huaming Wang
  • Publication number: 20110294191
    Abstract: Described are compositions and methods relating to filamentous fungal cells genetically engineered to provide increased production of aspartic proteases, such as PEPAa, PEPAb, PEPAc, and PEPAd. Also described are nucleic acids and methods for making the engineered filamentous fungal cells.
    Type: Application
    Filed: July 28, 2009
    Publication date: December 1, 2011
    Applicant: DANISCO US INC.
    Inventor: Huaming Wang
  • Patent number: 8008042
    Abstract: The present invention relates to isolated promoter sequences, particularly a promoter isolated from Aspergillus niger designated herein as A4-L or A4 and DNA constructs and vectors including the same.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: August 30, 2011
    Assignee: Danisco US Inc.
    Inventors: Steve Kim, Edwin Lee, Wei Liu, Huaming Wang
  • Publication number: 20110201535
    Abstract: Streptomyces and Bacillus host cells comprising a recombinant nucleic acid encoding a fusion protein containing a signal sequence and a Streptomyces subtilisin inhibitor (SSI) protein are provided, as well as methods of producing SSI protein using those cells. In certain embodiments, the host cell is a Streptomyces host cell and the signal to sequence is a celA signal sequence. In other embodiments, the host cell is a Bacillus host cell has a genome that contains inactivated protease genes.
    Type: Application
    Filed: April 20, 2011
    Publication date: August 18, 2011
    Applicant: DANISCO US INC.
    Inventors: Bryan P. Fox, Huaming Wang
  • Patent number: 7977067
    Abstract: Described herein are methods for the production of monoclonal antibodies in filamentous fungi host cells. The monoclonal antibodies are expressed as full-length fusion proteins that retain functional antigen binding and antibody-dependent cellular cytotoxicity capabilities. Improvements in the cleavage of the glucoamylase-light chain fusion protein to yield a mature antibody are also provided. The antibodies produced in filamentous fungi show equivalent pharmacokinetic disposition to antibodies produced in mammalian cells.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: July 12, 2011
    Assignee: Danisco US Inc.
    Inventors: Scott D. Power, Huaming Wang, Michael Ward
  • Publication number: 20110154581
    Abstract: The present invention provides compositions and methods for producing a polyol oxidase in micoroorganisms, and the use of polyol oxidases in cleaning compositions. The invention includes cleaning compositions that contain combinations of two or more POx oxidases, and cleaning compositions that contain combinations of two or more POx oxidases and a perhydrolase. In particular, the invention provides methods for expressing polyol oxidases in bacterial hosts for use in detergent applications for cleaning, bleaching and disinfecting.
    Type: Application
    Filed: March 9, 2011
    Publication date: June 30, 2011
    Applicant: Danisco US Inc.
    Inventors: Manoj Kumar, Susan M. Madrid, Hugh C. McDonald, Ayrookaran J. Poulose, Thomas Rand, Huaming Wang
  • Patent number: 7919295
    Abstract: The present invention provides compositions and methods for producing a polyol oxidase in microorganisms, and the use of polyol oxidases in cleaning compositions. The invention includes cleaning compositions that contain combinations of two or more POx oxidases, and cleaning compositions that contain combinations of two or more POx oxidases and a perhydrolase. In particular, the invention provides methods for expressing polyol oxidases in bacterial hosts for use in detergent applications for cleaning, bleaching and disinfecting.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: April 5, 2011
    Assignee: Danisco US Inc.
    Inventors: Manoj Kumar, Susan M. Madrid, Hugh C. McDonald, Ayrookaran J. Poulose, Thomas Rand, Huaming Wang
  • Publication number: 20110070612
    Abstract: A recombinant filamentous fungal cell (e.g. Aspergillus) having one or more inactivated chromosomal genes is provided. The chromosomal genes in some embodiments correspond to derA, derB, htmA, mnn9, mnn10, ochA, dpp4, dpp5, pepAa, pepAb, pepAc, pepAd, pepF and combinations thereof. The recombinant fungal cells may include further inactivated chromosomal genes which correspond to pepA, pepB, pepC and pepD. The recombinant filamentous fungal cells may include a heterologous nucleic acid encoding a protein of interest. Also provided are methods of producing a protein of interest in said recombinant filamentous fungal cell.
    Type: Application
    Filed: December 16, 2009
    Publication date: March 24, 2011
    Inventor: Huaming WANG
  • Publication number: 20100221775
    Abstract: Described herein are methods for increasing the amount of protein secreted by a cell. In one case, a cell is provided which contains a heterologous nucleic acid encoding a protein having unfolded protein response modulating activity and a heterologous nucleic acid encoding a protein of interest to be secreted. In one case, the protein having unfolded protein response modulating activity is selected from the proteins selected from the group consisting of HAC1, PTC2 and IRE1. The protein of interest can be any secreted protein such as a therapeutic or an industrial enzyme. For example the protein can be selected from the group consisting of lipase, cellulase, endo-glucosidase H, protease, carbohydrase, reductase, oxidase, isomerase, transferase, kinase, phosphatase, alpha-amylase, glucoamylase, lignocellulose hemicellulase, pectinase and ligninase.
    Type: Application
    Filed: December 16, 2009
    Publication date: September 2, 2010
    Applicant: Genencor International, Inc.
    Inventors: Merja E. Penttila, Michael Ward, Huaming Wang, Mari J. Valkonen, Markku L.A. Saloheimo
  • Patent number: 7691621
    Abstract: A recombinant filamentous fungal cell (e.g. Aspergillus) having one or more inactivated chromosomal genes is provided. The chromosomal genes in some embodiments correspond to derA, derB, htmA, mnn9, mnn10, ochA, dpp4, dpp5, pepAa, pepAb, pepAc, pepAd, pepF and combinations thereof. The recombinant fungal cells may include further inactivated chromosomal genes which correspond to pepA, pepB, pepC and pepD. The recombinant filamentous fungal cells may include a heterologous nucleic acid encoding a protein of interest. Also provided are methods of producing a protein of interest in said recombinant filamentous fungal cell.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: April 6, 2010
    Assignee: Danisco US Inc.
    Inventor: Huaming Wang
  • Publication number: 20100055731
    Abstract: The invention relates to a fusion DNA construct comprising a KEX2 region comprising a KEX2 site and a KEX2 site pre-sequence immediately 5? to the KEX2 site, a fusion polypeptide, vectors and cells comprising the fusion DNA construct, methods for producing desired proteins from filamentous fungal cells and methods for enhancing the secretion and/or cleavage of a desired protein from a cell.
    Type: Application
    Filed: June 21, 2007
    Publication date: March 4, 2010
    Inventors: Huaming Wang, Michael Ward
  • Patent number: 7662584
    Abstract: Described herein are methods for increasing the amount of protein secreted by a cell. In one case, a cell is provided which contains a heterologous nucleic acid encoding a protein having unfolded protein response modulating activity and a heterologous nucleic acid encoding a protein of interest to be secreted. In one case, the protein having unfolded protein response modulating activity is selected from the proteins selected from the group consisting of HAC1, PTC2 and IRE1. The protein of interest can be any secreted protein such as a therapeutic or an industrial enzyme. For example the protein can be selected from the group consisting of lipase, cellulase, endo-glucosidase H, protease, carbohydrase, reductase, oxidase, isomerase, transferase, kinase, phosphatase, alpha-amylase, glucoamylase, lignocellulose hemicellulase, pectinase and ligninase.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: February 16, 2010
    Assignee: Danisco US Inc.
    Inventors: Merja E. Penttila, Michael Ward, Huaming Wang, Mari J. Valkonen, Markku L. A. Saloheimo
  • Publication number: 20090253173
    Abstract: The invention relates to a filamentous fungal cell (e.g., Aspergillus sp.) comprising at least one inactivated protease gene chosen from apsB, a homolog of apsB, cpsA, a homolog cpsA, and combinations thereof. Nucleic acids and methods for making the inactivated mutant filamentous fungal cells are provided as well as methods for using the cells for the altered production of endogenous or heterologous proteins of interest.
    Type: Application
    Filed: March 26, 2009
    Publication date: October 8, 2009
    Applicant: Danisco US Inc., Genencor Division
    Inventor: Huaming Wang
  • Patent number: 7592157
    Abstract: Described herein are protease inhibitors, variants thereof and methods for their production.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: September 22, 2009
    Assignee: Genencor International, Inc.
    Inventors: Hans De Nobel, David A. Estell, Wei Liu, Scott D. Power, Brian Schmidt, Huaming Wang
  • Patent number: 7592420
    Abstract: Described herein are protease inhibitors, variants thereof and methods for their production.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: September 22, 2009
    Assignee: Genencor International, Inc.
    Inventors: Hans De Nobel, David A. Estell, Wei Liu, Scott D. Power, Brian Schmidt, Huaming Wang
  • Publication number: 20090221030
    Abstract: The invention provides methods and compositions for improved protein production. The method comprises the steps of: (a) introducing into a host cell a first nucleic acid sequence comprising a signal sequence operably linked to a desired protein sequence; (b) expressing the first nucleic acid sequence; (c) co-expressing a second nucleic acid sequence encoding a chaperone or foldase selected from the group consisting of bip1, ero1, pdi1, tig1, prp1, ppi1, ppi2, prp3, prp4, calnexin, and lhs1; and (d) collecting the desired protein secreted from the host cell. The first nucleic acid sequence optionally comprises an enzyme sequence between the signal sequence and the desired protein sequence.
    Type: Application
    Filed: October 30, 2008
    Publication date: September 3, 2009
    Inventors: Kai Bao, Huaming Wang
  • Publication number: 20090017162
    Abstract: The present invention relates to the cloning and high level expression of novel cellulase proteins or derivatives thereof in the in a host cell. Further aspects of the present invention relate to transformants that express the novel cellulases, and expression vectors comprising the DNA gene fragments or variants thereof that code for the novel cellulases derived from Actinomycete using genetic engineering techniques. The present invention is also directed to novel cellulase compositions and methods of use therefore in industrial processes. In particular, the present invention is related to treating textiles with a novel cellulase derived from Actinomycete spp. The present invention also relates to the use of cellulase derived from Actinomycete spp. to enhance the digestibility of animal feed, in detergents, in the treatment of pulp and paper and in the production of starch and treatment of by-products thereof.
    Type: Application
    Filed: April 9, 2007
    Publication date: January 15, 2009
    Inventors: Huaming Wang, Kai Bao
  • Publication number: 20080293611
    Abstract: The present invention provides compositions and methods for producing a polyol oxidase in micoroorganisms, and the use of polyol oxidases in cleaning compositions. The invention includes cleaning compositions that contain combinations of two or more POx oxidases, and cleaning compositions that contain combinations of two or more POx oxidases and a perhydrolase. In particular, the invention provides methods for expressing polyol oxidases in bacterial hosts for use in detergent applications for cleaning, bleaching and disinfecting.
    Type: Application
    Filed: October 19, 2007
    Publication date: November 27, 2008
    Inventors: Manoj Kumar, Susan M. Madrid, Hugh C. McDonald, Ayrookaran J. Poulose, Thomas Rand, Huaming Wang