Patents by Inventor Mark E. Davis

Mark E. Davis 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: 20250100957
    Abstract: Described herein are compositions having an eight-membered monocyclic unsaturated hydrocarbon, methods and system to separate the eight-membered monocyclic unsaturated hydrocarbon at from a hydrocarbon mixture including additional nonlinear unsaturated C8H2m hydrocarbons with 4?m?8, by contacting the hydrocarbon mixture with a 10-ring pore molecular sieve having a sieving channel with a 10-ring sieving aperture with a minimum crystallographic free diameter greater than 3 ? and a ratio of the maximum crystallographic free diameter to the minimum crystallographic free diameter between 1 and 2, the molecular sieve having a T1/T2 ratio ?20:1 wherein T1 is an element independently selected from Si and Ge, and T2 is an element independently selected from Al, B and Ga, the 10-ring pore molecular sieve further having a counterion selected from NH4+, Li+, Na+, K+ and Ca++.
    Type: Application
    Filed: December 6, 2024
    Publication date: March 27, 2025
    Inventors: Julia A. KORNFIELD, Mark E. DAVIS, Ming-Hsin WEI, Simon C. JONES
  • Patent number: 12195426
    Abstract: Described herein are compositions having an eight-membered monocyclic unsaturated hydrocarbon, methods and system to separate the eight-membered monocyclic unsaturated hydrocarbon from a hydrocarbon mixture including additional nonlinear unsaturated C8H2m hydrocarbons with 4?m?8, by contacting the hydrocarbon mixture with a 10-ring pore molecular sieve having a sieving channel with a 10-ring sieving aperture with a minimum crystallographic free diameter greater than 3 ? and a ratio of the maximum crystallographic free diameter to the minimum crystallographic free diameter between 1 and 2, the molecular sieve having a T1/T2 ratio ?20:1 wherein T1 is an element independently selected from Si and Ge, and T2 is an element independently selected from Al, B and Ga, the 10-ring pore molecular sieve further having a counterion selected from NH4+, Li+, Na+, K+ and Ca++.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: January 14, 2025
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Julia A. Kornfield, Mark E. Davis, Ming-Hsin Wei, Simon C. Jones
  • Publication number: 20240261755
    Abstract: The present disclosure is directed to metal ion-containing zeolitic compositions, preferably transition metal ion-containing, more preferably zinc ion containing zeolitic compositions, that are useful for reversibly scavenging water from humid gaseous feed streams, including air, and method of making and using the same. In some embodiments, the compositions comprise zinc-ion-doped zeolites have LTA, FAU, or EMT topologies.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 8, 2024
    Inventors: Donglong Fu, Mark E. Davis
  • Publication number: 20240207831
    Abstract: The disclosure provides a novel silicoaluminophosphate molecular sieve, referred to as CIT-16P, that comprises a silicoaluminophosphate framework with an occluded OSDA that is DiQ-C4 or DiQ-C3. The synthesis of CIT-16P, its conversion to SAPO-17, and the use of the so-derived SAPO-17 in the MTO reaction are also disclosed.
    Type: Application
    Filed: December 8, 2023
    Publication date: June 27, 2024
    Inventors: Jong Hun Kang, Faisal H. Alshafei, Mark E. Davis
  • Patent number: 11998616
    Abstract: The present application discloses nanoparticles carrying therapeutic agents, including chemotherapeutic agents, and targeting ligands suitable for delivering these therapeutic agents through the blood brain barrier and methods of using these patients on those patients in need of such treatment.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: June 4, 2024
    Assignee: California Institute of Technology
    Inventors: Mark E. Davis, Emily A. Wyent
  • Publication number: 20240173708
    Abstract: The present disclosure is directed to novel silicoaluminophosphate (SAPO)-based material with an SAT framework structure (topology type) (SAPO-SAT) that is substantially free of a non-SAPO-SAT phase, as well as the synthesis and use of that SAPO-SAT.
    Type: Application
    Filed: November 14, 2023
    Publication date: May 30, 2024
    Inventors: Faisal H Alshafei, Mark E Davis
  • Publication number: 20230249152
    Abstract: The present disclosure is directed to metal ion-containing zeolitic compositions having MAZ topology that are useful for scavenging CO2 from low-CO2-content feed streams, including air, and method of making and using the same.
    Type: Application
    Filed: February 6, 2023
    Publication date: August 10, 2023
    Inventors: Donglong Fu, Mark E. Davis
  • Publication number: 20230234038
    Abstract: The present disclosure is directed to metal ion-containing zeolitic compositions having MOR topology that are useful for scavenging CO2 from low-CO2-content feed streams, including air, and method of making and using the same.
    Type: Application
    Filed: January 4, 2023
    Publication date: July 27, 2023
    Inventors: Donglong Fu, Mark E. Davis
  • Publication number: 20230227385
    Abstract: Described herein are compositions having an eight-membered monocyclic unsaturated hydrocarbon, methods and system to separate the eight-membered monocyclic unsaturated hydrocarbon at from a hydrocarbon mixture including additional nonlinear unsaturated C8H2m hydrocarbons with 4?m?8, by contacting the hydrocarbon mixture with a 10-ring pore molecular sieve having a sieving channel with a 10-ring sieving aperture with a minimum crystallographic free diameter greater than 3 ? and a ratio of the maximum crystallographic free diameter to the minimum crystallographic free diameter between 1 and 2, the molecular sieve having a T1/T2 ratio ?20:1 wherein T1 is an element independently selected from Si and Ge, and T2 is an element independently selected from Al, B and Ga, the 10-ring pore molecular sieve further having a counterion selected from NH4+, Li+, Na+, K+ and Ca+.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Inventors: Julia A. KORNFIELD, Mark E. DAVIS, Ming-Hsin WEI, Simon C. JONES
  • Patent number: 11691131
    Abstract: The present disclosure is directed to microporous crystalline aluminosilicate structures with GME topologies having pores containing organic structure directing agents (OSDAs) comprising at least one piperidinium cation, the compositions useful for making these structures, and methods of using these structures. In some embodiments, the crystalline zeolite structures have a molar ratio of Si:Al that is greater than 3.5.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: July 4, 2023
    Assignee: California Institute of Technology
    Inventors: Michiel J. Dusselier, Mark E. Davis
  • Patent number: 11642665
    Abstract: This disclosure describes enantiomerically enriched chiral molecular sieves and methods of making and using the same. In some embodiments, the molecular sieves are silicates or germanosilicates of STW topology.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: May 9, 2023
    Assignees: California Institute of Technology, William Marsh Rice University
    Inventors: Mark E. Davis, Stephen Kramer Brand, Joel E. Schmidt, Michael W. Deem
  • Patent number: 11634322
    Abstract: The present disclosure is directed to the integration of direct air capture of carbon dioxide with thermochemical water splitting, the latter optionally driven by solar energy. The disclosure is also directed to a process comprising extracting carbon dioxide from an air stream by contacting the air-stream with an alkali metal ion-transition metal oxide of empirical formula AxMO2 (0.1<x?1), where A represents the alkali metal ion comprising sodium ion, potassium ion, or a combination thereof and M comprises iron, manganese, or a combination thereof to form a transition metal composition comprising an oxidized ion extracted-transition metal oxide.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: April 25, 2023
    Assignees: California Institute of Technology, University of Delaware
    Inventors: Mark E. Davis, Bingjun Xu, Casper O. Brady
  • Patent number: 11583838
    Abstract: The present disclosure is directed to methods of producing zincoaluminosilicate structures with AEI, CHA, and GME topologies using organic structure directing agents (OSDAs), and the compositions and structures resulting from these methods.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: February 21, 2023
    Assignee: California Institute of Technology
    Inventors: Michiel J. Dusselier, Mark E. Davis
  • Publication number: 20230032494
    Abstract: The present disclosure is directed to large-pore germanosilicate compositions designated CIT-13/OH and CIT-14/IST, the two large-pore germanosilicate each having a three-dimensional framework with 10- and 14-membered ring channels and 8- and 12-membered ring channels, respectively. The disclosure also sets forth methods for converting the former to the latter under conditions consistent with an inverse sigma transformation. Uses of the large-pore germanosilicate compositions are also disclosed.
    Type: Application
    Filed: December 11, 2020
    Publication date: February 2, 2023
    Inventors: Mark E. DAVIS, Jong Hun KANG, Dan XIE
  • Publication number: 20220280912
    Abstract: The present disclosure is directed to metal ion-containing zeolitic compositions, preferably transition metal ion-containing, more preferably zinc ion containing zeolitic compositions, that are useful for scavenging CO2 from low-CO2-content feed streams, including air, and method of making and using the same. In some embodiments, the compositions comprise zinc-ion-doped zeolites having AEI, AFX, or CHA topologies.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 8, 2022
    Inventors: Donglong Fu, Mark E. Davis
  • Publication number: 20220274088
    Abstract: The present disclosure is directed to metal ion-containing zeolitic compositions, preferably transition metal ion-containing, more preferably zinc ion containing zeolitic compositions, that are useful for reversibly scavenging water from humid gaseous feed streams, including air, and method of making and using the same. In some embodiments, the compositions comprise zinc-ion-doped zeolites have LTA, FAU, or EMT topologies.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 1, 2022
    Inventors: Donglong Fu, Mark E. Davis
  • Publication number: 20220220048
    Abstract: Described herein are compositions having an eight-membered monocyclic unsaturated hydrocarbon, methods and system to separate the eight-membered monocyclic unsaturated hydrocarbon at from a hydrocarbon mixture including additional nonlinear unsaturated C8H2m hydrocarbons with 4?m?8, by contacting the hydrocarbon mixture with a 10-ring pore molecular sieve having a sieving channel with a 10-ring sieving aperture with a minimum crystallographic free diameter greater than 3 ? and a ratio of the maximum crystallographic free diameter to the minimum crystallographic free diameter between 1 and 2, the molecular sieve having a T1/T2 ratio ?20:1 wherein T1 is an element independently selected from Si and Ge, and T2 is an element independently selected from Al, B and Ga, the 10-ring pore molecular sieve further having a counterion selected from NH4+, Li+, Na+, K+ and Ca++.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 14, 2022
    Inventors: Julia A. KORNFIELD, Mark E. DAVIS, Ming-Hsin WEI, Simon C. JONES
  • Patent number: 11285212
    Abstract: Described herein are carrier nanoparticles comprising a polymer containing a polyol coupled to a polymer containing a nitroboronic boronic acid and a linkage cleavable under reducing conditions, configured to present the polymer containing the nitroboronic acid to an environment external to the nanoparticle. Targeted versions of the described nanoparticles are also described, as are related compositions, methods and systems.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: March 29, 2022
    Assignee: California Institute of Technology
    Inventors: Mark E. Davis, Han Han
  • Publication number: 20220062875
    Abstract: This disclosure describes enantiomerically enriched chiral molecular sieves and methods of making and using the same. In some embodiments, the molecular sieves are silicates or germanosilicates of STW topology.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Inventors: Mark E. Davis, Stephen Kramer Brand, Joel E. Schmidt, Michael W. Deem
  • Patent number: 11213808
    Abstract: The present disclosure is directed to novel germanosilicate compositions and methods of producing and using the same. Included among the new materials are the new germanosilicates of CIT-5 topology having Si:Ge ratios either in a range of from 3.8 to 5.4 or from 30 to 200, with and without added metal oxides. The disclosure also describes methods of preparing and using these new germanosilicate compositions as well as the compositions themselves.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: January 4, 2022
    Assignee: California Institute of Technology
    Inventors: Joel E. Schmidt, Mark E. Davis, Ben W. Boal, Jong Hun Kang