Patents by Inventor Hakim BOUKHALFA

Hakim BOUKHALFA 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: 11879090
    Abstract: Embodiments of the disclosure include swellable smart gel sealants and methods of using smart gel sealants. In certain embodiments, the smart gel sealants reversibly swell when exposed to a certain trigger, such as carbonic acid and/or sulfuric acid. In specific embodiments, the smart gel is comprised within a cement composition.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: January 23, 2024
    Assignees: CHEVRON U.S.A. INC., TRIAD NATIONAL SECURITY, LLC
    Inventors: Nathan James Welch, Hakim Boukhalfa, Robert David Gilbertson, Rajesh S. Nair, Deryck Edward Matthew Williams, Timothy Leo Quirk
  • Publication number: 20220389302
    Abstract: Embodiments of the disclosure include swellable smart gel sealants and methods of using smart gel sealants. In certain embodiments, the smart gel sealants reversibly swell when exposed to a certain trigger, such as carbonic acid and/or sulfuric acid. In specific embodiments, the smart gel is comprised within a cement composition.
    Type: Application
    Filed: August 2, 2022
    Publication date: December 8, 2022
    Inventors: Nathan James Welch, Hakim Boukhalfa, Robert David Gilbertson, Rajesh S. Nair, Deryck Edward Matthew Williams, Timothy Leo Quirk
  • Patent number: 11486223
    Abstract: Embodiments of the disclosure include swellable smart gel sealants and methods of using smart gel sealants. In certain embodiments, the smart gel sealants reversibly swell when exposed to a certain trigger, such as temperature or pH. In specific embodiments, the smart gel is disposed within voids in a well and triggered to swell in order to seal the voids. One application of the smart gel sealant is to seal the casing of a well against the leakage of gas, such as H2S.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: November 1, 2022
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Robert Clifford Roback, Hakim Boukhalfa, Robert David Gilbertson, Harvey Edwin Goodman
  • Patent number: 11466342
    Abstract: The present disclosure provides system and method embodiments for extracting and separating rare earth elements (REEs) from various starting materials and sources. The system and method embodiments disclosed herein facilitate efficient REE extraction, separation, and/or isolation, even when the REEs are present in a starting material at a relatively low level compared to undesirable metals co-present in the starting material. In at least some examples, the disclosed system and method embodiments may be used to recover one or more REEs from coal derived acid mine drainage.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: October 11, 2022
    Assignee: Triad National Security, LLC
    Inventors: Hakim Boukhalfa, Artaches Migdissov, Andrew Strzelecki, Robert Patrick Currier
  • Patent number: 10988663
    Abstract: Embodiments of the disclosure include swellable smart gel sealants. In certain embodiments, the smart gel sealants reversibly swell when exposed to a certain trigger, such as temperature or pH. In specific embodiments, the smart gel is disposed within voids in a well and triggered to swell in order to seal the voids. One application of the smart gel sealant is to seal the casing of a well against the leakage of gas, such as CO2.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: April 27, 2021
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Harvey E. Goodman, Robert Clifford Roback, Robert D. Gilbertson, Hakim Boukhalfa, Scott W. Imbus
  • Publication number: 20210040814
    Abstract: Embodiments of the disclosure include swellable smart gel sealants and methods of using smart gel sealants. In certain embodiments, the smart gel sealants reversibly swell when exposed to a certain trigger, such as temperature or pH. In specific embodiments, the smart gel is disposed within voids in a well and triggered to swell in order to seal the voids. One application of the smart gel sealant is to seal the casing of a well against the leakage of gas, such as H2S.
    Type: Application
    Filed: October 14, 2020
    Publication date: February 11, 2021
    Inventors: Robert Clifford Roback, Hakim Boukhalfa, Robert David Gilbertson, Harvey Edwin Goodman
  • Publication number: 20200325126
    Abstract: Disclosed are compounds having the formula: wherein Ra, R1, R2, R3, R4, R5, R6, R7, and R8, are as defined herein, or a salt, particularly a pharmaceutically acceptable salt, thereof.
    Type: Application
    Filed: April 5, 2017
    Publication date: October 15, 2020
    Applicant: GlaxoSmithKline Intellectual Property Development Limited
    Inventors: Adam Kenneth CHARNLEY, Robert Clifford Roback, Robert D. Gilbertson, Hakim Boukhalfa, Scott w. Imbus
  • Publication number: 20190292435
    Abstract: Embodiments of the disclosure include swellable smart gel sealants. In certain embodiments, the smart gel sealants reversibly swell when exposed to a certain trigger, such as temperature or pH. In specific embodiments, the smart gel is disposed within voids in a well and triggered to swell in order to seal the voids. One application of the smart gel sealant is to seal the casing of a well against the leakage of gas, such as CO2.
    Type: Application
    Filed: April 4, 2017
    Publication date: September 26, 2019
    Applicants: Chevron U.S.A. Inc., Los Alamos National Laboratory, LC / IP
    Inventors: Harvey E. GOODMAN, Robert Clifford ROBACK, Robert D. GILBERTSON, Hakim BOUKHALFA, Scott W. IMBUS