Patents by Inventor Burnell Lee

Burnell Lee 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).

  • Drilling fluid
    Patent number: 11332653
    Abstract: The present invention relates to drilling fluid comprising one or more linear internal olefin having from 15 to 18 carbon atoms and containing less than 25% branching based on the total amount of the linear internal olefin and a hydrogenated Fischer-Tropsch derived product.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: May 17, 2022
    Assignee: SHELL OIL COMPANY
    Inventors: Burnell Lee, David Matthew Brown, Graham Francis Whale, Michael James Spence, Delina Yvonne-Marie de Souza Lyon
  • DRILLING FLUID
    Publication number: 20210122964
    Abstract: The present invention relates to drilling fluid comprising one or more linear internal olefin having from 15 to 18 carbon atoms and containing less than 25% branching based on the total amount of the linear internal olefin and a hydrogenated Fischer-Tropsch derived product.
    Type: Application
    Filed: July 30, 2018
    Publication date: April 29, 2021
    Applicant: Shell Oil Company
    Inventors: Burnell LEE, David Matthew BROWN, Graham Francis WHALE, Michael James SPENCE, Delina Yvonne-Marie de Souza LYON
  • Drilling fluid and process of making the same
    Patent number: 8030248
    Abstract: This invention relates to drilling fluids and processes for making drilling fluids, such as for use in environmentally sensitive areas. The environmentally friendly drilling fluid includes a first fluid component having between about 5 weight percent to about 95 weight percent of olefins with a chain length in a range of between about C12 and about C48. The first fluid component includes at least about 50 weight percent trisubstituted olefin functionality. The environmentally friendly drilling fluid includes a second fluid component.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: October 4, 2011
    Assignee: Ineos USA LLC
    Inventors: Burnell Lee, Georgia Lambert, Vahid Bagheri, Heath Chisholm
  • Drilling Fluid And Process of Making The Same
    Publication number: 20100317550
    Abstract: This invention relates to drilling fluids and processes for making drilling fluids, such as for use in environmentally sensitive areas. The environmentally friendly drilling fluid includes a first fluid component having between about 5 weight percent to about 95 weight percent of olefins with a chain length in a range of between about C12 and about C48. The first fluid component includes at least about 50 weight percent trisubstituted olefin functionality. The environmentally friendly drilling fluid includes a second fluid component.
    Type: Application
    Filed: June 15, 2009
    Publication date: December 16, 2010
    Inventors: Burnell Lee, Georgia Lambert, Vahid Bagheri, Heath Chisholm
  • Stabilized brominated alkane solvent
    Patent number: 5707954
    Abstract: A stabilized solvent composition which is comprised of: a solvent portion which includes at least 90 wt % n-propyl bromide; and a 1,4-dioxane-free stabilizer system which includes 2,2-dialkoxypropane in which each alkoxy group independently contains up to 3 carbon atoms. The solvent composition is useful as a degreaser and cleaner in both cold and vapor cleaning systems.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: January 13, 1998
    Assignee: Albemarle Corporation
    Inventor: Burnell Lee
  • No flash point solvent system containing normal propyl bromide
    Patent number: 5690862
    Abstract: This invention relates to a solvent system which is non-flammable and which is comprised of a hydrocarbon solvent having a flash point less than about 38.degree. C. and a second solvent containing at least 90 wt % n-propyl bromide, the second solvent being present in an amount sufficient to obtain no flash point for the solvent system when tested in accordance with ASTM D-93 and the second solvent being the sole halogenated solvent and flash point suppressor in the solvent system.
    Type: Grant
    Filed: November 1, 1995
    Date of Patent: November 25, 1997
    Assignee: Albemarle Corporation
    Inventors: Robert M. Moore, Jr., Robert L. Davis, William E. Moehle, Burnell Lee, Edgar E. Spielman, Jr.
  • Movie film cleaning solvent comprising n-propylbromide
    Patent number: 5679632
    Abstract: This invention relates to a solvent system and process for cleaning cellulose triacetate polymer camera film. The solvent system comprises n-propyl bromide and a mix of an alkyl bromide in which the alkyl group contains 4 to 7 carbon atoms and an alkane containing 6 to 7 carbon atoms.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: October 21, 1997
    Inventors: Burnell Lee, Farah D. Azarnia
  • Movie film cleaning process
    Patent number: 5669985
    Abstract: This invention relates to a solvent system and process for cleaning cellulose triacetate polymer camera film. The solvent system comprises n-propyl bromide and an alkyl bromide in which the alkyl group contains 4 to 7 carbon atoms.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: September 23, 1997
    Assignee: Albemarle Corporation
    Inventors: Burnell Lee, Farah D. Azarnia
  • Solvent system
    Patent number: 5665170
    Abstract: This invention relates to non-stabilized or at least only lightly stabilized n-propyl bromide-based solvent systems which are suitable for use in the presence of metals which normally and easily catalyze the dehydrobromination of brominated hydrocarbons, such as isopropyl bromide.
    Type: Grant
    Filed: November 1, 1995
    Date of Patent: September 9, 1997
    Assignee: Albemarle Corporation
    Inventors: Burnell Lee, William E. Moehle
  • Movie film cleaning process
    Patent number: 5665173
    Abstract: This invention relates to a solvent system and process for cleaning cellulose triacetate polymer camera film. The solvent system comprises n-propyl bromide and an alkane containing 6 to 7 carbon atoms.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: September 9, 1997
    Assignee: Albemarle Corporation
    Inventor: Burnell Lee
  • Process for forming end capped polyamic acids polyimides
    Patent number: 4973661
    Abstract: This invention discloses a process where a portion of an amine terminated polyamic acid intermediate is end-capped with an aromatic monoanhydride additionally substituted with a free carboxylic acid and a carboxylic ester. The polyamic acids of this invention are readily converted to high molecular weight polyimides.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: November 27, 1990
    Assignee: Ethyl Corporation
    Inventors: Burnell Lee, Hsueh M. Li
  • Process for forming end-capped polyamic acids polyimides
    Patent number: 4956450
    Abstract: This invention discloses a process where a portion of an amine terminated polyamic acid intermediate is end-capped with an aromatic monoanhydride additionally substituted with a free carboxylic acid or ester thereof. The polyamic acids of this invention are readily converted to high molecular weight polyimides which may contain a small amount of amide groups.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: September 11, 1990
    Assignee: Ethyl Corporation
    Inventors: Burnell Lee, Hsueh M. Li