Patents by Inventor Karel J. Hartlieb

Karel J. Hartlieb 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: 10500218
    Abstract: Pharmaceutical complexes composed of drug molecules entrapped in cyclodextrin-based MOFs (CD-MOFs) are provided. Pharmaceutical tablets incorporating crystals of the pharmaceutical complexes for oral administration to a patient are also provided. In addition, methods of making the pharmaceutical complexes using anion-exchange reactions and methods of making the pharmaceutical complexes based on the co-crystallization of the drug molecules with cyclodextrin are provided. The pharmaceutical complexes include a CD-MOF and deprotonated drug anions associated with alkali metal cations in the CD-MOF superstructure.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: December 10, 2019
    Assignees: Northwestern University, King Abdulaziz City for Science and Technology
    Inventors: Karel J. Hartlieb, James M. Holcroft, James Fraser Stoddart, Daniel Patrick Ferris
  • Patent number: 10239044
    Abstract: A separation medium consisting of a cyclodextrin metal-organic framework (CD-MOF) for separating aromatic compounds and methods of preparing the same are presented. Bottom-up preparations include the following steps: (a) preparing a first mixture comprising a cyclodextrin, an alkali metal salt, water and an alcohol; (b) performing one of the following two steps: (i) stirring the first mixture; or (ii) adding an amount of a surfactant to the first mixture to form a second mixture; and (c) crystallizing the CD-MOF from the first mixture or the second mixture. Top-down preparations include the following steps: (a) preparing a first mixture comprising the cyclodextrin, an alkali metal salt, water and an alcohol; (b) crystallizing the CD-MOF from the first mixture; and (c) optionally performing particle size reduction of the crystallized CD-MOF. The CD-MOFs are amenable for use in methods for separating alkylaromatic and haloaromatic compounds from a mixture of hydrocarbons.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: March 26, 2019
    Assignees: Northwestern University, King Abdulaziz City for Science and Technology (KACST)
    Inventors: James M. Holcroft, Karel J. Hartlieb, James Fraser Stoddart
  • Patent number: 9828371
    Abstract: Methods of making diazaperopyrenium dications with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone, and uses thereof are provided.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: November 28, 2017
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: J. Fraser Stoddart, Ashish N. Basuray, Karel J. Hartlieb, Srinivasan Sampath, Henri-Pierre Jacquot de Rouville
  • Publication number: 20170189890
    Abstract: A separation medium consisting of a cyclodextrin metal-organic framework (CD-MOF) for separating aromatic compounds and methods of preparing the same are presented. Bottom-up preparations include the following steps: (a) preparing a first mixture comprising a cyclodextrin, an alkali metal salt, water and an alcohol; (b) performing one of the following two steps: (i) stirring the first mixture; or (ii) adding an amount of a surfactant to the first mixture to form a second mixture; and (c) crystallizing the CD-MOF from the first mixture or the second mixture. Top-down preparations include the following steps: (a) preparing a first mixture comprising the cyclodextrin, an alkali metal salt, water and an alcohol; (b) crystallizing the CD-MOF from the first mixture; and (c) optionally performing particle size reduction of the crystallized CD-MOF. The CD-MOFs are amenable for use in methods for separating alkylaromatic and haloaromatic compounds from a mixture of hydrocarbons.
    Type: Application
    Filed: June 8, 2015
    Publication date: July 6, 2017
    Inventors: James M. HOLCROFT, Karel J. HARTLIEB, James Fraser STODDART
  • Publication number: 20170136128
    Abstract: Pharmaceutical complexes composed of drug molecules entrapped in cyclodextrin-based MOFs (CD-MOFs) are provided. Pharmaceutical tablets incorporating crystals of the pharmaceutical complexes for oral administration to a patient are also provided. In addition, methods of making the pharmaceutical complexes using anion-exchange reactions and methods of making the pharmaceutical complexes based on the co-crystallization of the drug molecules with cyclodextrin are provided. The pharmaceutical complexes include a CD-MOF and deprotonated drug anions associated with alkali metal cations in the CD-MOF superstructure.
    Type: Application
    Filed: November 14, 2016
    Publication date: May 18, 2017
    Inventors: Karel J. Hartlieb, James M. Holcroft, James Fraser Stoddart, Daniel Patrick Ferris
  • Publication number: 20160368913
    Abstract: Methods of making diazaperopyrenium dications with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone, and uses thereof are provided.
    Type: Application
    Filed: September 26, 2014
    Publication date: December 22, 2016
    Inventors: J. Fraser Stoddart, Ashish N. Basuray, Karel J. Hartlieb, Srinivasan Sampath, Henri-Pierre Jacquot de Rouville