Patents by Inventor Gary M. Dull

Gary M. Dull 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: 10865192
    Abstract: The invention provides certain nicotine salts, co-crystals, and salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, nicotine salts with orotic acid are described. The invention further provides methods of preparation and characterization of such nicotine salts. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: December 15, 2020
    Assignee: R.J. Reynolds Tobacco Company
    Inventors: Gary M. Dull, Andrew Carr, Emma Sharp
  • Publication number: 20200281250
    Abstract: A method for preparing an aerosol precursor composition is provided, which includes the steps of providing a first aqueous solution comprising one or more organic acids in water; subjecting the first aqueous solution to hydrolysis to give a hydrolyzed aqueous solution with a higher organic acid monomer content on a dry weight basis than in the first aqueous solution; and combining the hydrolyzed aqueous solution with one or more aerosol formers to give an aerosol precursor composition. Typically, the aerosol precursor composition further contains nicotine. The disclosed method can lead to enhanced control over the composition and characteristics of the produced aerosol precursor composition.
    Type: Application
    Filed: March 6, 2020
    Publication date: September 10, 2020
    Inventors: Gary M. Dull, Thomas H. Poole, Serban C. Moldoveanu, Frank Kelley St. Charles
  • Patent number: 10721968
    Abstract: The present disclosure relates to electronic smoking articles exhibiting improved moisture control of a reservoir contained therein. The reservoir can be formed of fibrous materials, such as cellulose acetate fiber, thermoplastic fiber, non-thermoplastic fiber, or a combination thereof. The disclosure further provides methods for forming electronic smoking articles and methods of packaging electronic smoking articles (including cartridges thereof) so as to improve moisture control of the reservoir.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: July 28, 2020
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Grady Lance Dooly, Stephen Benson Sears, Karen V. Williams, Gary M. Dull, Steven L. Worm, Wesley Steven Jones, Steven Lee Alderman, Paul A. Brinkley, Jack Gray Flinchum, Jr.
  • Publication number: 20200148664
    Abstract: The invention provides certain nicotine salts, co-crystals, and salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, nicotine salts with mucic acid, 3,5-dihydroxybenzoic acid, and 2,3-dihydroxybenzoic acid, and crystalline polymorphic forms of nicotine 4-acetamidobenzoate, nicotine gentisate, and nicotine 1-hydroxy-2-naphthoate are described. The invention further provides methods of preparation and characterization of such nicotine salts, co-crystals, and salt co-crystals and polymorphic forms thereof. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Application
    Filed: January 10, 2020
    Publication date: May 14, 2020
    Inventors: Gary M. Dull, Andrew Carr, Emma Sharp
  • Publication number: 20200087277
    Abstract: The invention provides certain nicotine salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, certain nicotine salt-co-crystals are described, including nicotine and two different coformers. The invention further provides methods of preparation and characterization of nicotine salts, co-crystals, and salt co-crystals. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 19, 2020
    Inventors: Gary M. Dull, Susana del Rio Gancedo, Judit Galcera Julia
  • Patent number: 10556880
    Abstract: The invention provides certain nicotine salts, co-crystals, and salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, nicotine salts with mucic acid, 3,5-dihydroxybenzoic acid, and 2,3-dihydroxybenzoic acid, and crystalline polymorphic forms of nicotine 4-acetamidobenzoate, nicotine gentisate, and nicotine 1-hydroxy-2-naphthoate are described. The invention further provides methods of preparation and characterization of such nicotine salts, co-crystals, and salt co-crystals and polymorphic forms thereof. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: February 11, 2020
    Assignee: R.J. Reynolds Tobacco Company
    Inventors: Gary M. Dull, Andrew Carr, Emma Sharp
  • Publication number: 20200039954
    Abstract: The invention provides certain nicotine salts, co-crystals, and salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, nicotine salts with orotic acid are described. The invention further provides methods of preparation and characterization of such nicotine salts. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Application
    Filed: October 10, 2019
    Publication date: February 6, 2020
    Inventors: Gary M. Dull, Andrew Carr, Emma Sharp
  • Patent number: 10531690
    Abstract: The present disclosure relates to electronic smoking articles exhibiting improved moisture control of a reservoir contained therein. The reservoir can be formed of fibrous materials, such as cellulose acetate fiber, thermoplastic fiber, non-thermoplastic fiber, or a combination thereof. The disclosure further provides methods for forming electronic smoking articles and methods of packaging electronic smoking articles (including cartridges thereof) so as to improve moisture control of the reservoir.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: January 14, 2020
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Grady Lance Dooly, Stephen Benson Sears, Karen V. Williams, Gary M. Dull, Steven L. Worm, Wesley Steven Jones, Steven Lee Alderman, Paul A. Brinkley, Jack Gray Flinchum, Jr.
  • Publication number: 20190380378
    Abstract: The disclosure describes methods for providing nicotine isolates, including: receiving a solution containing nicotine derived from green tobacco biomass of a plant of the Nicotiana species; converting the nicotine to nicotine sulfate; concentrating the resulting nicotine sulfate-containing solution; adjusting the pH of the resulting nicotine sulfate concentrate to a pH of about 9.5 or greater to convert the nicotine sulfate to nicotine in free base form; extracting the resulting basic concentrate with an organic solvent to partition the nicotine into the organic solvent; and distilling the nicotine-containing organic solution to afford a nicotine isolate comprising about 90% or more nicotine by weight.
    Type: Application
    Filed: June 13, 2019
    Publication date: December 19, 2019
    Inventors: Nicholas Partain, Joshua D. Morton, Carrie A. Simpson, Gary M. Dull, Barry Bratcher
  • Patent number: 10508096
    Abstract: The invention provides certain nicotine salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, certain nicotine salt-co-crystals are described, including nicotine and two different coformers. The invention further provides methods of preparation and characterization of nicotine salts, co-crystals, and salt co-crystals. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: December 17, 2019
    Assignee: R.J. Reynolds Tobacco Company
    Inventors: Gary M. Dull, Susana del Rio Gancedo, Judit Galcera Julia
  • Patent number: 10464917
    Abstract: The invention provides certain nicotine salts, co-crystals, and salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, nicotine salts with orotic acid are described. The invention further provides methods of preparation and characterization of such nicotine salts. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: November 5, 2019
    Assignee: R.J. Reynolds Tobacco Company
    Inventors: Gary M. Dull, Andrew Carr, Emma Sharp
  • Publication number: 20190116863
    Abstract: A method for preparing an aerosol precursor composition is provided, which includes the steps of preparing an aqueous solution containing one or more organic acids and nicotine in water; and combining the aqueous solution with one or more vapor formers. The disclosed method can lead to enhanced control over the composition and characteristics of the produced aerosol precursor composition.
    Type: Application
    Filed: October 24, 2017
    Publication date: April 25, 2019
    Inventor: Gary M. Dull
  • Publication number: 20180242647
    Abstract: The present disclosure relates to electronic smoking articles exhibiting improved moisture control of a reservoir contained therein. The reservoir can be formed of fibrous materials, such as cellulose acetate fiber, thermoplastic fiber, non-thermoplastic fiber, or a combination thereof. The disclosure further provides methods for forming electronic smoking articles and methods of packaging electronic smoking articles (including cartridges thereof) so as to improve moisture control of the reservoir.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Grady Lance Dooly, Stephen Benson Sears, Karen V. Williams, Gary M. Dull, Steven L. Worm, Wesley Steven Jones, Steven Lee Alderman, Paul A. Brinkley, Jack Gray Flinchum, JR.
  • Publication number: 20180242646
    Abstract: The present disclosure relates to electronic smoking articles exhibiting improved moisture control of a reservoir contained therein. The reservoir can be formed of fibrous materials, such as cellulose acetate fiber, thermoplastic fiber, non-thermoplastic fiber, or a combination thereof. The disclosure further provides methods for forming electronic smoking articles and methods of packaging electronic smoking articles (including cartridges thereof) so as to improve moisture control of the reservoir.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Grady Lance Dooly, Stephen Benson Sears, Karen V. Williams, Gary M. Dull, Steven L. Worm, Wesley Steven Jones, Steven Lee Alderman, Paul A. Brinkley, Jack Gray Flinchum, JR.
  • Publication number: 20180242648
    Abstract: The present disclosure relates to electronic smoking articles exhibiting improved moisture control of a reservoir contained therein. The reservoir can be formed of fibrous materials, such as cellulose acetate fiber, thermoplastic fiber, non-thermoplastic fiber, or a combination thereof. The disclosure further provides methods for forming electronic smoking articles and methods of packaging electronic smoking articles (including cartridges thereof) so as to improve moisture control of the reservoir.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Grady Lance Dooly, Stephen Benson Sears, Karen V. Williams, Gary M. Dull, Steven L. Worm, Wesley Steven Jones, Steven Lee Alderman, Paul A. Brinkley, Jack Gray Flinchum, JR.
  • Publication number: 20180230126
    Abstract: The invention provides certain nicotine salts, co-crystals, and salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, nicotine salts with orotic acid are described. The invention further provides methods of preparation and characterization of such nicotine salts. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Application
    Filed: February 1, 2018
    Publication date: August 16, 2018
    Inventors: Gary M. Dull, Andrew Carr, Emma Sharp
  • Patent number: 9974334
    Abstract: The present disclosure relates to electronic smoking articles exhibiting improved moisture control of a reservoir contained therein. The reservoir can be formed of fibrous materials, such as cellulose acetate fiber, thermoplastic fiber, non-thermoplastic fiber, or a combination thereof. The disclosure further provides methods for forming electronic smoking articles and methods of packaging electronic smoking articles (including cartridges thereof) so as to improve moisture control of the reservoir.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: May 22, 2018
    Assignee: RAI Strategic Holdings, Inc.
    Inventors: Grady Lance Dooly, Stephen Benson Sears, Karen V. Williams, Gary M. Dull, Steven L. Worm, Wesley Steven Jones, Steven Lee Alderman, Paul A. Brinkley, Jack Gray Flinchum, Jr.
  • Publication number: 20180051002
    Abstract: The invention provides certain nicotine salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, certain nicotine salt-co-crystals are described, including nicotine and two different coformers. The invention further provides methods of preparation and characterization of nicotine salts, co-crystals, and salt co-crystals. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Application
    Filed: September 5, 2017
    Publication date: February 22, 2018
    Inventors: Gary M. Dull, Susana del Rio Gancedo, Judit Galcera Julia
  • Patent number: 9896429
    Abstract: The invention provides certain nicotine salts, co-crystals, and salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, nicotine salts with orotic acid are described. The invention further provides methods of preparation and characterization of such nicotine salts. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: February 20, 2018
    Assignee: R.J. Reynolds Tobacco Company
    Inventors: Gary M. Dull, Andrew Carr, Emma Sharp
  • Publication number: 20170334881
    Abstract: The invention provides certain nicotine salts, co-crystals, and salt co-crystals and provides novel polymorphic forms of certain nicotine salts. In particular, nicotine salts with mucic acid, 3,5-dihydroxybenzoic acid, and 2,3-dihydroxybenzoic acid, and crystalline polymorphic forms of nicotine 4-acetamidobenzoate, nicotine gentisate, and nicotine 1-hydroxy-2-naphthoate are described. The invention further provides methods of preparation and characterization of such nicotine salts, co-crystals, and salt co-crystals and polymorphic forms thereof. In addition, tobacco products, including smoking articles, smokeless tobacco products, and electronic smoking articles comprising nicotine salts, co-crystals, and/or salt co-crystals are also provided.
    Type: Application
    Filed: August 8, 2017
    Publication date: November 23, 2017
    Inventors: Gary M. Dull, Andrew Carr, Emma Sharp