Patents by Inventor Mark T. Nielsen

Mark T. Nielsen 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: 20230203518
    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: Application
    Filed: April 13, 2022
    Publication date: June 29, 2023
    Applicant: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei XU, Mark T. Nielsen, Yanxin Shen
  • Patent number: 11332753
    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: February 11, 2020
    Date of Patent: May 17, 2022
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Patent number: 11000059
    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: March 12, 2019
    Date of Patent: May 11, 2021
    Assignee: U.S. SMOKELESS TOBACCO COMPANY LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Patent number: 10888109
    Abstract: Provided herein are bacterial strains that are capable of degrading nitrite and/or TSNAs. Also provided herein are methods of using such bacterial strains to degrade nitrite and/or TSNAs.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: January 12, 2021
    Assignee: Altria Client Services LLC
    Inventors: Ujwala Warek, Mark T. Nielsen, Dongmei Xu, Mingwu Cui, Xue Luo, Xiaohong Jin, Elisabeth Miller, Kwang Choi
  • Publication number: 20200277615
    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: Application
    Filed: February 11, 2020
    Publication date: September 3, 2020
    Applicant: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Patent number: 10597668
    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: November 27, 2012
    Date of Patent: March 24, 2020
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Publication number: 20190200668
    Abstract: Provided herein are bacterial strains that are capable of degrading nitrite and/or TSNAs. Also provided herein are methods of using such bacterial strains to degrade nitrite and/or TSNAs.
    Type: Application
    Filed: January 15, 2019
    Publication date: July 4, 2019
    Applicant: Altria Client Services LLC
    Inventors: Ujwala Warek, Mark T. Nielsen, Dongmei Xu, Mingwu Cui, Xue Luo, Xiaohong Jin, Elisabeth Miller, Kwang Choi
  • Publication number: 20190194733
    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: March 12, 2019
    Publication date: June 27, 2019
    Applicant: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Patent number: 10292416
    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: November 22, 2013
    Date of Patent: May 21, 2019
    Assignee: Altria Client Services LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Patent number: 10294520
    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: February 20, 2014
    Date of Patent: May 21, 2019
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Patent number: 10226064
    Abstract: Provided herein are bacterial strains that are capable of degrading nitrite and/or TSNAs. Also provided herein are methods of using such bacterial strains to degrade nitrite and/or TSNAs.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: March 12, 2019
    Assignee: Altria Client Services LLC
    Inventors: Ujwala Warek, Mark T. Nielsen, Dongmei Xu, Mingwu Cui, Xue Luo, Xiaohong Jin, Elisabeth Miller, Kwang Choi
  • Patent number: 9795165
    Abstract: Some embodiments of a tobacco product package device can be used to enhance freshness and other characteristics of tobacco products or other products contained therein. Certain features can improve product freshness both during shelf life and during consumer use.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: October 24, 2017
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventors: David Karl Bried, James Arthur Strickland, Mark T. Nielsen, Frank Scott Atchley, Lamar Eugene Walters, II, Gregory A. Pace
  • Patent number: 9629334
    Abstract: The present disclosure describes tobacco varieties having reduced levels of DVTs, methods of making such varieties, and tobacco compositions including such varieties.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: April 25, 2017
    Assignee: U.S. Smokeless Tobacco Company LLC
    Inventors: Mark T. Nielsen, Marcos F. Lusso, Francis Antoine
  • Patent number: 9370160
    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: Grant
    Filed: February 27, 2012
    Date of Patent: June 21, 2016
    Assignee: Altria Client Services LLC
    Inventors: Dongmei Xu, Mark T. Nielsen, Yanxin Shen
  • Publication number: 20160100546
    Abstract: The present disclosure describes tobacco varieties having reduced levels of DVTs, methods of making such varieties, and tobacco compositions including such varieties.
    Type: Application
    Filed: February 18, 2015
    Publication date: April 14, 2016
    Inventors: Mark T. Nielsen, Marcos F. Lusso, Francis Antoine
  • Patent number: 9173371
    Abstract: The present disclosure describes tobacco varieties having reduced levels of DVTs, methods of making such varieties, and tobacco compositions including such varieties.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: November 3, 2015
    Assignee: U.S. Smokeless Tobacco Company
    Inventors: Mark T. Nielsen, Marcos F. Lusso, Francis Antoine
  • Publication number: 20140261481
    Abstract: Provided herein are bacterial strains that are capable of degrading nitrite and/or TSNAs. Also provided herein are methods of using such bacterial strains to degrade nitrite and/or TSNAs.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 18, 2014
    Inventors: Ujwala Warek, Mark T. Nielsen, Dongmei Xu, Mingwu Cui, Xue Luo, Cathy Jin, Elisabeth Miller, Kwang Choi
  • 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
  • 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
  • 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