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).

  • Patent number: 10781150
    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: Grant
    Filed: August 15, 2019
    Date of Patent: September 22, 2020
    Assignee: CALIFORNIA INSTITUTE TECHNOLOGY
    Inventors: Julia A. Kornfield, Mark E. Davis, Ming-Hsin Wei, Simon C. Jones
  • Publication number: 20200283582
    Abstract: The present disclosure is directed to nanoparticle delivery systems for delivering biological agents, pharmaceutical compositions of comprising these nanoparticles, and methods of using these compositions. Certain embodiments of the present disclosure provide nanoparticles comprising polymers comprising alternating charged and uncharged segments comprising one or more of the following structural units of Formula (I) Formula (III): wherein A is an uncharged segment comprising polyalkylene glycol; and B is a cationically charged segment comprising at least one polyhydroxy linkage.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Inventors: Mark E. Davis, Dorothy Pan
  • Patent number: 10717825
    Abstract: The present disclosure is directed to nanoparticle delivery systems for delivering biological agents, pharmaceutical compositions of comprising these nanoparticles, and methods of using these compositions. Certain embodiments of the present disclosure provide nanoparticles comprising polymers comprising alternating charged and uncharged segments comprising one or more of the following structural units of Formula (I) Formula (III): wherein A is an uncharged segment comprising polyalkylene glycol; and B is a cationically charged segment comprising at least one polyhydroxy linkage.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: July 21, 2020
    Assignee: California Instite of Technology
    Inventors: Mark E. Davis, Dorothy Pan
  • Patent number: 10717071
    Abstract: The present disclosure is directed to the use of novel crystalline germanosilicate compositions in affecting a range of organic transformations. In particular, the crystalline germanosilicate compositions are extra-large-pore compositions, designated CIT-13 possessing 10- and 14-membered rings.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: July 21, 2020
    Assignee: California Institute of Technology
    Inventors: Joel E. Schmidt, Mark E. Davis, Ben W. Boal, Jong Hun Kang
  • Publication number: 20190381188
    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: Application
    Filed: June 12, 2019
    Publication date: December 19, 2019
    Inventors: Mark E. Davis, Emily A. Wyatt
  • Publication number: 20190367433
    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: August 15, 2019
    Publication date: December 5, 2019
    Inventors: Julia A. KORNFIELD, Mark E. DAVIS, Ming-Hsin WEI, Simon C. JONES
  • Patent number: 10493440
    Abstract: The present disclosure is directed to processing for preparing crystalline pure-silica and heteroatom-substituted LTA frameworks in fluoride media using a simple organic structure-directing agent (OSDA), having a structure of Formula (I): where substituents R1 to R9 are defined herein. Aluminosilicate LTA is an active catalyst for the methanol to olefins reaction with higher product selectivities to butenes as well as C5 and C6 products than the commercialized catalysts. Titanosilicate LTA is an active catalyst for the epoxidation of allyl alcohol using aqueous H2O2.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: December 3, 2019
    Assignee: California Institute of Technology
    Inventors: Ben W. Boal, Mark E. Davis, Joel E. Schmidt
  • Publication number: 20190314520
    Abstract: Carrier nanoparticles comprising a polymer containing a polyol coupled to a polymer containing a boronic acid and a linkage cleavable under reducing conditions, configured to present the polymer containing a boronic acid to an environment external to the nanoparticle and related compositions, methods and systems.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 17, 2019
    Inventors: Mark E. Davis, Akinleye Alabi
  • Patent number: 10427995
    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+, Na+, K+ and Ca++.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: October 1, 2019
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Julia A. Kornfield, Mark E. Davis, Ming-Hsin Wei, Simon C. Jones
  • Patent number: 10427947
    Abstract: This disclosure relates to new crystalline microporous solids (including silicate- and aluminosilicate-based solids), the compositions comprising 8 and 10 membered inorganic rings, particularly those having RTH topologies having a range of Si:Al ratios, methods of preparing these and known crystalline microporous solids using certain quaternized imidazolium cation structuring agents.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: October 1, 2019
    Assignee: California Institute of Technology
    Inventors: Joel E. Schmidt, Mark E. Davis
  • Patent number: 10399858
    Abstract: The present disclosure is directed to producing zeolite structures, especially Zeolite SSZ-39, using organic structure directing agents (OSDAs). In particular, the OSDAs comprise isomeric mixtures of N,N-dialkyl piperidinium cations.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: September 3, 2019
    Assignee: California Institute of Technology
    Inventors: Michiel J. Dusselier, Mark E. Davis, Joel E. Schmidt
  • Publication number: 20190247835
    Abstract: The present disclosure is directed to novel crystalline germanosilicate compositions and methods of producing the same. In particular, the crystalline germanosilicate compositions are extra-large-pore compositions, designated CIT-13 possessing 10- and 14-membered rings. The disclosure describes methods of preparing these compositions using substituted benzyl-imidazolium organic structure-directing agents (OSDAs). Also disclosed are methods of using these crystalline compositions.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Inventors: Joel E. Schmidt, Mark E. Davis, Ben W. Boal, Jong Hun Kang
  • Patent number: 10342879
    Abstract: Carrier nanoparticles comprising a polymer containing a polyol coupled to a polymer containing a boronic acid and a linkage cleavable under reducing conditions, configured to present the polymer containing a boronic acid to an environment external to the nanoparticle and related compositions, methods and systems.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: July 9, 2019
    Assignee: California Institute of Technology
    Inventors: Mark E. Davis, Akinleye Alabi
  • Publication number: 20190202995
    Abstract: The present disclosure is directed to nanoparticle delivery systems for delivering biological agents, pharmaceutical compositions of comprising these nanoparticles, and methods of using these compositions. Certain embodiments of the present disclosure provide nanoparticles comprising polymers comprising alternating charged and uncharged segments comprising one or more of the following structural units of Formula (I) Formula (III): wherein A is an uncharged segment comprising polyalkylene glycol; and B is a cationically charged segment comprising at least one polyhydroxy linkage.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 4, 2019
    Inventors: Mark E. Davis, Dorothy Pan
  • Patent number: 10293330
    Abstract: The present disclosure is directed to novel crystalline germanosilicate compositions and methods of producing the same. In particular, the crystalline germanosilicate compositions are extra-large-pore compositions, designated CIT-13 possessing 10- and 14-membered rings. The disclosure describes methods of preparing these compositions using substituted benzyl-imidazolium organic structure-directing agents (OSDAs). Also disclosed are methods of using these crystalline compositions.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: May 21, 2019
    Assignee: California Institute of Technology
    Inventors: Joel E. Schmidt, Mark E. Davis, Ben W. Boal, Jong Hun Kang
  • Patent number: 10287401
    Abstract: The present disclosure is directed to polymer and polymer conjugate-based nanoparticle delivery systems for delivering biological agents, and methods of making and using these compositions. Certain embodiments of the present disclosure provide polymers comprising alternating charged and uncharged segments comprising one or more of the following structural units of Formula (I) or Formula (II) or Formula (III): wherein is an uncharged segment comprising polyalkylene glycol; and B is a cationically charged segment comprising at least one polyhydroxy linkage.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: May 14, 2019
    Assignee: California Institute of Technology
    Inventors: Mark E. Davis, Dorothy Pan
  • Publication number: 20190117773
    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: Application
    Filed: November 26, 2018
    Publication date: April 25, 2019
    Inventors: Mark E. Davis, Han Han
  • Publication number: 20190100480
    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+, Na+, K+ and Ca++.
    Type: Application
    Filed: September 28, 2018
    Publication date: April 4, 2019
    Inventors: Julia A. KORNFIELD, Mark E. DAVIS, Ming-Hsin WEI, Simon C. JONES
  • Publication number: 20190083962
    Abstract: The present disclosure is directed to the use of novel crystalline germanosilicate compositions in affecting a range of organic transformations. In particular, the crystalline germanosilicate compositions are extra-large-pore compositions, designated CIT-13 possessing 10- and 14-membered rings.
    Type: Application
    Filed: November 13, 2018
    Publication date: March 21, 2019
    Inventors: Joel E. Schmidt, Mark E. Davis, Ben W. Boal, Jong Hun Kang
  • Patent number: 10182986
    Abstract: Described herein are methods of delivering a nanoparticle across the blood brain barrier to the brain of a subject by administering to the subject a nanoparticle having a nanoparticle core and a targeting agent. A variety of targeting agents may serve to promote delivery of the described nanoparticle.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: January 22, 2019
    Assignee: California Institute of Technology
    Inventors: Devin Wiley, Andrew Clark, Mark E. Davis