Patents by Inventor Dongmei Xu

Dongmei Xu 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).

  • NICOTINE-CONTAINING PRODUCTS AND METHODS OF MAKING
    Publication number: 20140261479
    Abstract: Provided herein are nicotine-containing products that also contain anatabine. Also provided are methods of making such products.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Inventors: Dongmei Xu, James Arthur Strickland, Jeffery Edmiston
  • BACTERIOPHAGE AND METHODS OF MAKING AND USING
    Publication number: 20140261478
    Abstract: Bacteriophage are provided, and methods of making and using the bacteriophage also are provided.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Inventors: Dongmei Xu, Elisabeth Miller, James Arthur Strickland, Ujwala Warek
  • NICOTIANA NUCLEIC ACID MOLECULES AND USES THEREOF
    Publication number: 20140190498
    Abstract: The present invention features Nicotiana nucleic acid sequences such as sequences encoding constitutive, or ethylene or senescence induced polypeptides, in particular cytochrome p450 enzymes, in Nicotiana plants and methods for using these nucleic acid sequences and plants to alter desirable traits, for example by using breeding protocols.
    Type: Application
    Filed: February 20, 2014
    Publication date: July 10, 2014
    Applicant: U.S. Smokeless Tobacco Company
    Inventors: Dongmei Xu, Mark T. Nielsen
  • NICOTIANA NUCLEIC ACID MOLECULES AND USES THEREOF
    Publication number: 20140123987
    Abstract: The present invention features Nicotiana nucleic acid sequences such as sequences encoding constitutive, or ethylene or senescence induced polypeptides, in particular cytochrome p450 enzymes, in Nicotiana plants and methods for using these nucleic acid sequences and plants to alter desirable traits, for example by using breeding protocols.
    Type: Application
    Filed: November 22, 2013
    Publication date: May 8, 2014
    Applicant: U.S. Smokeless Tobacco Company
    Inventors: Dongmei Xu, Mark T. Nielsen
  • Cloning of cytochrome p450 genes from
    Patent number: 8658856
    Abstract: The present invention relates to p450 enzymes and nucleic acid sequences encoding p450 enzymes in Nicotiana, and methods of using those enzymes and nucleic acid sequences to alter plant phenotypes.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: February 25, 2014
    Assignee: U.S. Smokeless Tobacco Company
    Inventor: Dongmei Xu
  • nucleic acid molecules and uses thereof
    Patent number: 8637731
    Abstract: The present invention features Nicotiana nucleic acid sequences such as sequences encoding constitutive, or ethylene or senescence induced polypeptides, in particular cytochrome p450 enzymes, in Nicotiana plants and methods for using these nucleic acid sequences and plants to alter desirable traits, for example by using breeding protocols.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: January 28, 2014
    Assignee: U.S. Smokeless Tobacco Company
    Inventors: Dongmei Xu, Mark T. Nielsen
  • CLONING OF CYTOCHROME P450 GENES FROM NICOTIANA
    Publication number: 20130326732
    Abstract: The present invention relates to p450 enzymes and nucleic acid sequences encoding p450 enzymes in Nicotiana, and methods of using those enzymes and nucleic acid sequences to alter plant phenotypes.
    Type: Application
    Filed: May 6, 2013
    Publication date: December 5, 2013
    Applicant: U.S. Smokeless Tobacco Company
    Inventor: Dongmei Xu
  • Tobacco nicotine demethylase genomic clone and uses thereof
    Patent number: 8592663
    Abstract: The present invention features tobacco nicotine demethylase nucleic acid and amino acid sequences, tobacco plants and plant components containing such sequences, including tobacco plants and plant components having reduced expression or altered enzymatic activity of nicotine demethylase, methods of use of nicotine demethylase sequences to create plants having altered levels of nornicotine or N?-nitrosonornicotine (“NNN”) or both relative to a control plant, as well as tobacco articles having reduced levels of nornicotine or NNN.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: November 26, 2013
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventor: Dongmei Xu
  • nucleic acid molecules and uses thereof
    Patent number: 8586837
    Abstract: The present invention features Nicotiana nucleic acid sequences such as sequences encoding constitutive, or ethylene or senescence induced polypeptides, in particular cytochrome p450 enzymes, in Nicotiana plants and methods for using these nucleic acid sequences and plants to alter desirable traits, for example by using breeding protocols.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: November 19, 2013
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei Xu, Mark T. Nielsen
  • Cloning of cytochrome p450 genes from
    Patent number: 8436235
    Abstract: The present invention relates to p450 enzymes and nucleic acid sequences encoding p450 enzymes in Nicotiana, and methods of using those enzymes and nucleic acid sequences to alter plant phenotypes.
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: May 7, 2013
    Assignee: U.S. Smokeless Tobacco Company
    Inventor: Dongmei Xu
  • SORGHUM TRANSFORMATION
    Publication number: 20130025003
    Abstract: Methods and materials for inducing embryogenic sorghum callus are described. The materials and methods are useful for Agrobacterium-mediated transformation of sorghum.
    Type: Application
    Filed: January 27, 2011
    Publication date: January 24, 2013
    Inventors: Anthony Thinh Ngoc Trieu, Dongmei Xu
  • Tobacco plants having reduced nicotine demethylase activity
    Patent number: 8319011
    Abstract: The present invention generally relates to methods and materials involved in producing tobacco plants having reduced levels of conversion of nicotine to nornicotine. In certain embodiments, the invention is directed to mutations in a nicotine demethylase gene, tobacco plants comprising mutations in a nicotine demethylase gene, and tobacco compositions and products thereof. In other embodiments, the invention is directed toward nicotine demethylase RNA interference, tobacco plants comprising a nicotine demethylase RNA interference transgene, and tobacco compositions and products thereof.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: November 27, 2012
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • CLONING OF CYTOCHROME P450 GENES FROM NICOTIANA
    Publication number: 20120233727
    Abstract: The present invention relates to p450 enzymes and nucleic acid sequences encoding p450 enzymes in Nicotiana, and methods of using those enzymes and nucleic acid sequences to alter plant phenotypes.
    Type: Application
    Filed: May 25, 2012
    Publication date: September 13, 2012
    Inventor: Dongmei Xu
  • TOBACCO INBRED PLANTS ALBEX1F AND ALBEX1MS
    Publication number: 20120222689
    Abstract: The present invention provides tobacco inbred plants ALBEX1F and ALBEX1MS. The present invention also provides parts of such plants and products made from those parts. The present invention also includes progeny of the provided plants including hybrids.
    Type: Application
    Filed: February 27, 2012
    Publication date: September 6, 2012
    Applicant: ALTRIA CLIENT SERVICES, INC.
    Inventors: Dongmei XU, Mark T. NIELSEN, Yanxin SHEN
  • TOBACCO PLANTS HAVING A MUTATION IN A NICOTINE DEMETHYLASE GENE
    Publication number: 20120199148
    Abstract: The present invention generally relates to methods and materials involved in producing tobacco plants having reduced levels of conversion of nicotine to nornicotine. In certain embodiments, the invention is directed to mutations in a nicotine demethylase gene, tobacco plants comprising mutations in a nicotine demethylase gene, and tobacco compositions and products thereof.
    Type: Application
    Filed: September 16, 2011
    Publication date: August 9, 2012
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Cloning of cytochrome p450 genes from
    Patent number: 8188337
    Abstract: The present invention relates to p450 enzymes and nucleic acid sequences encoding p450 enzymes in Nicotiana, and methods of using those enzymes and nucleic acid sequences to alter plant phenotypes.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: May 29, 2012
    Assignee: U.S. Smokeless Tobacco Company
    Inventor: Dongmei Xu
  • CLONING OF CYTOCHROME P450 GENES FROM NICOTIANA
    Publication number: 20120011622
    Abstract: The present invention relates to p450 enzymes and nucleic acid sequences encoding p450 enzymes in Nicotiana, and methods of using those enzymes and nucleic acid sequences to alter plant phenotypes.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 12, 2012
    Inventor: Dongmei Xu
  • Cloning of cytochrome P450 genes from
    Patent number: 8058504
    Abstract: The present invention relates to p450 enzymes and nucleic acid sequences encoding p450 enzymes in Nicotiana, and methods of using those enzymes and nucleic acid sequences to alter plant phenotypes.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: November 15, 2011
    Assignee: U.S. Smokeless Tobacco Company
    Inventor: Dongmei Xu
  • CLONING OF CYTOCHROME P450 GENES FROM NICOTIANA
    Publication number: 20110078817
    Abstract: The present invention relates to p450 enzymes and nucleic acid sequences encoding p450 enzymes in Nicotiana, and methods of using those enzymes and nucleic acid sequences to alter plant phenotypes.
    Type: Application
    Filed: October 11, 2010
    Publication date: March 31, 2011
    Inventor: Dongmei Xu
  • TOBACCO NICOTINE DEMETHYLASE GENOMIC CLONE AND USES THEREOF
    Publication number: 20110048437
    Abstract: The present invention features tobacco nicotine demethylase nucleic acid and amino acid sequences, tobacco plants and plant components containing such sequences, including tobacco plants and plant components having reduced expression or altered enzymatic activity of nicotine demethylase, methods of use of nicotine demethylase sequences to create plants having altered levels of nornicotine or N?-nitrosonornicotine (“NNN”) or both relative to a control plant, as well as tobacco articles having reduced levels of nornicotine or NNN.
    Type: Application
    Filed: April 15, 2010
    Publication date: March 3, 2011
    Applicant: U.S. SMOKELESS TOBACCO COMPANY
    Inventor: Dongmei Xu