Patents by Inventor Geert-Jan Boons

Geert-Jan Boons 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).

  • Site-specific antibody-drug glyconjugates and methods
    Patent number: 11872215
    Abstract: Compounds, compositions, and methods are provided for covalently linking an antibody or an antibody fragment to a cargo molecule, such as a therapeutic or a diagnostic agent, using a combination of enzymatic glycan remodeling and click chemistry. The method allows a cargo molecule to be selectively and efficiently attached post-translationally to an antibody or an antibody fragment. Also provided are antibody drug conjugates, methods of making, and uses thereof.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: January 16, 2024
    Assignee: University of Georgia Research Foundation, Inc.
    Inventor: Geert-Jan Boons
  • Oligosaccharide analytical standards
    Patent number: 11780872
    Abstract: Disclosed herein are oligosaccharides and intermediates useful for the production thereof. The compounds are useful as analytical standards and as intermediates for the preparation of more complex oligosaccharide and N-glycan products. The compounds may be prepared in high purity using the selective stop/go synthetic methods disclosed herein.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: October 10, 2023
    Assignee: University of Georgia Research Foundation, Inc.
    Inventors: Geert-Jan Boons, Anthony Robert Prudden, Lin Liu
  • DUAL DRUG ANTIBODY-DRUG CONJUGATES
    Publication number: 20220249681
    Abstract: Disclosed herein are dual drug antibody drug conjugates with defined stoichiometric ratios of each drug. The conjugates disclosed herein are useful for the treatment of cancer, particularly drug resistant and multidrug resistance cancer.
    Type: Application
    Filed: June 24, 2020
    Publication date: August 11, 2022
    Inventors: Geert-Jan BOONS, Xiuru LI
  • OLIGOSACCHARIDE ANALYTICAL STANDARDS
    Publication number: 20210171562
    Abstract: Disclosed herein are oligosaccharides and intermediates useful for the production thereof. The compounds are useful as analytical standards and as intermediates for the preparation of more complex oligosaccharide and N-glycan products. The compounds may be prepared in high purity using the selective stop/go synthetic methods disclosed herein.
    Type: Application
    Filed: December 9, 2020
    Publication date: June 10, 2021
    Inventors: Geert-Jan Boons, Anthony Robert Prudden, Lin Liu
  • SITE-SPECIFIC ANTIBODY-DRUG GLYCONJUGATES AND METHODS
    Publication number: 20210137894
    Abstract: Compounds, compositions, and methods are provided for covalently linking an antibody or an antibody fragment to a cargo molecule, such as a therapeutic or a diagnostic agent, using a combination of enzymatic glycan remodeling and click chemistry. The method allows a cargo molecule to be selectively and efficiently attached post-translationally to an antibody or an antibody fragment. Also provided are antibody drug conjugates, methods of making, and uses thereof.
    Type: Application
    Filed: January 22, 2021
    Publication date: May 13, 2021
    Inventor: Geert-Jan Boons
  • Site-specific antibody-drug glycoconjugates and methods
    Patent number: 10905678
    Abstract: Compounds, compositions, and methods are provided for covalently linking an antibody or an antibody fragment to a cargo molecule, such as a therapeutic or a diagnostic agent, using a combination of enzymatic glycan remodeling and click chemistry. The method allows a cargo molecule to be selectively and efficiently attached post-translationally to an antibody or an antibody fragment. Also provided are antibody drug conjugates, methods of making, and uses thereof.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: February 2, 2021
    Assignee: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.
    Inventor: Geert-Jan Boons
  • Synthetic oligosaccharide subunits of the Psl exopolysaccharide of pseudomonas aeruginosa and uses thereof
    Patent number: 10870710
    Abstract: This disclosure relates to synthetic oligosaccharide subunits of the Pseudomonas exosaccharide Psi and uses thereof, e.g., for epitope mapping of anti-Psl antibodies, for identification of anti-Psl antibodies, and for use as vaccines. In one aspect a synthetic oligosaccharide subunit of a Pseudomonas aeruginosa Psl oligosaccharide is provided, comprising the trisaccharide of formula I.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: December 22, 2020
    Assignees: MedImmune Limited, University of Georgia Research Foundation, Inc.
    Inventors: Antonio DiGiandomenico, Qun Wang, Charles K. Stover, Geert-Jan Boons, Kai-For Mo, Huiqing Li
  • Synthetic Oligosaccharide Subunits Of The PSL Exopolysaccharide Of Pseudomonas Aeruginosa And Uses Thereof
    Publication number: 20190309095
    Abstract: This disclosure relates to synthetic oligosaccharide subunits of the Pseudomonas exosaccharide Psi and uses thereof, e.g., for epitope mapping of anti-Psl antibodies, for identification of anti-Psl antibodies, and for use as vaccines. In one aspect a synthetic oligosaccharide subunit of a Pseudomonas aeruginosa Psl oligosaccharide is provided, comprising the trisaccharide of formula I.
    Type: Application
    Filed: December 13, 2018
    Publication date: October 10, 2019
    Inventors: Antonio DiGiandomenico, Qun Wang, Charles K. Stover, Geert-Jan Boons, Kai-For Mo, Huiqing Li
  • Heparan sulfate synthesis
    Patent number: 10174132
    Abstract: The invention provides an efficient modular chemical synthesis for heparan sulfate oligosaccharides based on orthogonal protection strategies. Modular disaccharide building blocks, themselves the product of a novel combinatorial synthesis, are combined in numerous ways to produce a range of oligosaccharides.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: January 8, 2019
    Assignee: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.
    Inventors: Geert-Jan Boons, Andre Venot, Sailaja Arungundram, Kanar al-Mafraji
  • Compounds and methods for chemical and chemo-enzymatic synthesis of complex glycans
    Patent number: 9938312
    Abstract: The present invention provides chemical and chemo-enzymatic methods for the synthesis of a wide array of complex asymmetric multi-antennary glycans.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: April 10, 2018
    Assignee: University of Georgia Research Foundation, Inc.
    Inventors: Geert-Jan Boons, Zhen Wang
  • Alkynes and methods of reacting alkynes with 1,3-dipole-functional compounds
    Patent number: 9932297
    Abstract: 1,3-Dipole-functional compounds (e.g., azide functional compounds) can be reacted with certain alkynes in a cyclization reaction to form heterocyclic compounds. Useful alkynes (e.g., strained, cyclic alkynes) and methods of making such alkynes are also disclosed. The reaction of 1,3-dipole-functional compounds with alkynes can be used for a wide variety of applications including the immobilization of biomolecules on a substrate.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: April 3, 2018
    Assignee: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.
    Inventors: Geert-Jan Boons, Jun Guo, Xinghai Ning, Margaretha Wolfert
  • ALKYNES AND METHODS OF REACTING ALKYNES WITH 1,3-DIPOLE-FUNCTIONAL COMPOUNDS
    Publication number: 20170320815
    Abstract: 1,3-Dipole-functional compounds (e.g., azide functional compounds) can be reacted with certain alkynes in a cyclization reaction to form heterocyclic compounds. Useful alkynes (e.g., strained, cyclic alkynes) and methods of making such alkynes are also disclosed. The reaction of 1,3-dipole-functional compounds with alkynes can be used for a wide variety of applications including the immobilization of biomolecules on a substrate.
    Type: Application
    Filed: July 24, 2017
    Publication date: November 9, 2017
    Inventors: Geert-Jan Boons, Jun Guo, Xinghai Ning, Margaretha Wolfert
  • Alkynes and methods of reacting alkynes with 1,3-dipole-functional compounds
    Patent number: 9725405
    Abstract: 1,3-Dipole-functional compounds (e.g., azide functional compounds) can be reacted with certain alkynes in a cyclization reaction to form heterocyclic compounds. Useful alkynes (e.g., strained, cyclic alkynes) and methods of making such alkynes are also disclosed. The reaction of 1,3-dipole-functional compounds with alkynes can be used for a wide variety of applications including the immobilization of biomolecules on a substrate.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: August 8, 2017
    Assignee: University of Georgia Research Foundation, Inc.
    Inventors: Geert-Jan Boons, Jun Guo, Xinghai Ning, Margaretha Wolfert
  • SITE-SPECIFIC ANTIBODY-DRUG GLYCOCONJUGATES AND METHODS
    Publication number: 20170173175
    Abstract: Compounds, compositions, and methods are provided for covalently linking an antibody or an antibody fragment to a cargo molecule, such as a therapeutic or a diagnostic agent, using a combination of enzymatic glycan remodeling and click chemistry. The method allows a cargo molecule to be selectively and efficiently attached post-translationally to an antibody or an antibody fragment. Also provided are antibody drug conjugates, methods of making, and uses thereof.
    Type: Application
    Filed: April 8, 2015
    Publication date: June 22, 2017
    Applicant: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.
    Inventor: Geert-Jan Boons
  • GLYCOPEPTIDE AND USES THEREOF
    Publication number: 20170008977
    Abstract: A glycolipopeptide comprising a carbohydrate component, a peptide component and a lipid component, for use as a therapeutic or prophylactic vaccine. Also provided are monoclonal and polyclonal antibodies that recognize the glycolipopeptide of the invention, as well as uses thereof.
    Type: Application
    Filed: August 4, 2016
    Publication date: January 12, 2017
    Applicant: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.
    Inventors: Geert-Jan Boons, Therese Buskas, Sampat Ingale, Margaretha Wolfert
  • Glycopeptide and uses thereof
    Patent number: 9446144
    Abstract: A glycolipopeptide comprising a carbohydrate component, a peptide component and a lipid component, for use as a therapeutic or prophylactic vaccine. Also provided are monoclonal and polyclonal antibodies that recognize the glycolipopeptide of the invention, as well as uses thereof.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: September 20, 2016
    Assignee: University of Georgia Research Foundation, Inc.
    Inventors: Geert-Jan Boons, Therese Buskas, Sampat Ingale, Margaretha Wolfert
  • ALKYNES AND METHODS OF REACTING ALKYNES WITH 1,3-DIPOLE-FUNCTIONAL COMPOUNDS
    Publication number: 20160159732
    Abstract: 1,3-Dipole-functional compounds (e.g., azide functional compounds) can be reacted with certain alkynes in a cyclization reaction to form heterocyclic compounds. Useful alkynes (e.g., strained, cyclic alkynes) and methods of making such alkynes are also disclosed. The reaction of 1,3-dipole-functional compounds with alkynes can be used for a wide variety of applications including the immobilization of biomolecules on a substrate.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 9, 2016
    Inventors: Geert-Jan Boons, Jun Guo, Xinghai Ning, Margaretha Wolfert
  • Synthetic Oligosaccharide Subunits Of The PSL Exopolysaccharide Of Pseudomonas Aeruginosa And Uses Thereof
    Publication number: 20160115250
    Abstract: This disclosure relates to synthetic oligosaccharide subunits of the Pseudomonas exosaccharide Psi and uses thereof, e.g., for epitope mapping of anti-Psl antibodies, for identification of anti-Psl antibodies, and for use as vaccines. In one aspect a synthetic oligosaccharide subunit of a Pseudomonas aeruginosa Psl oligosaccharide is provided, comprising the trisaccharide of formula I.
    Type: Application
    Filed: May 13, 2014
    Publication date: April 28, 2016
    Inventors: Anthony DiGiandomenico, Qun Wang, Charles K. Stover, Geert-Jan Boons, Kai-For Mo, Huiqing Li
  • Methods including latent 1,3-dipole-functional compounds and materials prepared thereby
    Patent number: 9315468
    Abstract: Methods that include latent 1,3-dipole-functional compounds are disclosed herein. The latent 1,3-dipole-functional compound (e.g., an oxime) can be used to form an active 1,3-dipole-functional compound (e.g., a nitrile oxide) that can be used to react with a cyclic alkyne in a dipolar cycloaddition reaction.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: April 19, 2016
    Assignee: University of Georgia Research Foundation, Inc.
    Inventors: Geert-Jan Boons, Frederic Friscourt, Petr A. Ledin, Ngalle Eric Mbua
  • Synthetic lipid A derivative
    Patent number: 9309276
    Abstract: The invention provides functionalized monosaccharides and disaccharides suitable for use in synthesizing a lipid A derivative, as well as methods for synthesizing and using a synthetic lipid A derivative.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: April 12, 2016
    Assignee: University of Georgia Research Foundation, Inc.
    Inventor: Geert-Jan Boons