Patents by Inventor Sumith A. Kularatne

Sumith A. Kularatne 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: 20210347766
    Abstract: The present disclosure relates to synthesizing and utilizing fluorescent dye compounds or pharmaceutically acceptable salts thereof. Conjugation of amino acid groups to the fluorescent dyes increase specificity and detection of the compound. Methods of manufacture and synthesis of the compounds for use thereof in diagnostic imaging are contemplated.
    Type: Application
    Filed: May 20, 2020
    Publication date: November 11, 2021
    Inventors: Sumith A. Kularatne, Pravin Gagare
  • Publication number: 20210338641
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Application
    Filed: June 25, 2021
    Publication date: November 4, 2021
    Inventors: Philip Stewart Low, Sumith A. Kularatne
  • Patent number: 11155800
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical compositions containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: October 26, 2021
    Assignee: PURDUE RESEARCH FOUNDATION
    Inventors: Philip Stewart Low, Venkatesh Chelvam, Youngsoon Kim, Sumith A. Kularatne
  • Publication number: 20210322388
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 21, 2021
    Inventors: Philip Stewart Low, Sumith A. Kularatne
  • Publication number: 20210275694
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a ligand that binds to a target receptor protein, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid or derivative thereof. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds. The disclosure also relates to compositions for incorporating the compounds as used for the targeted imaging of tumors. Conjugation of the amino acid linking groups increase specificity and detection of the compound. Methods and compositions for use thereof in diagnostic imaging are contemplated.
    Type: Application
    Filed: November 25, 2020
    Publication date: September 9, 2021
    Inventors: Philip Stewart Low, Sumith A. Kularatne, Mahalingam M. Sakkarapalayam
  • Patent number: 11083710
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: August 10, 2021
    Assignee: Purdue Research Foundation
    Inventors: Philip S. Low, Sumith A. Kularatne
  • Publication number: 20210093737
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a pteroyl ligand that binds to a target receptor protein, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid or derivative thereof. The disclosure further describes methods and compositions for incorporating the compounds as used for the targeted imaging of tumors. Conjugation of the amino acid linking groups increase specificity and detection of the compound. Methods and compositions for use thereof in diagnostic imaging are contemplated.
    Type: Application
    Filed: December 7, 2020
    Publication date: April 1, 2021
    Inventors: Sumith A. Kularatne, Sakkarapalayam M. Mahalingam, Philip S. Low, Mohammad Noshi
  • Publication number: 20210077468
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Application
    Filed: October 30, 2020
    Publication date: March 18, 2021
    Inventors: Philip Stewart Low, Sumith A. Kularatne
  • Publication number: 20210063406
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a ligand that binds to the active site of carbonic anhydrase, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid, amide, ureido, or polyethylene glycol derivative thereof. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Application
    Filed: September 18, 2020
    Publication date: March 4, 2021
    Inventors: Sumith A. Kularatne, Mini Thomas
  • Publication number: 20210046194
    Abstract: The present disclosure relates to prostate specific membrane antigen (PSMA) targeted compounds conjugated to near-infra red (NIR) dyes and methods for their therapeutic and diagnostic use. More specifically, this disclosure provides compounds and methods for diagnosing and treating diseases associated with cells and/or vasculature expressing prostate specific membrane antigen (PSMA), such as prostate cancer and related diseases. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Application
    Filed: September 23, 2020
    Publication date: February 18, 2021
    Inventor: Sumith A Kularatne
  • Patent number: 10881747
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a pteroyl ligand that binds to a target receptor protein, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid or derivative thereof. The disclosure further describes methods and compositions for incorporating the compounds as used for the targeted imaging of tumors. Conjugation of the amino acid linking groups increase specificity and detection of the compound. Methods and compositions for use thereof in diagnostic imaging are contemplated.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: January 5, 2021
    Assignee: Purdue Research Foundation
    Inventor: Sumith A. Kularatne
  • Patent number: 10842887
    Abstract: The present disclosure relates to prostate specific membrane antigen (PSMA) targeted compounds conjugated to near-infra red (NIR) dyes and methods for their therapeutic and diagnostic use. More specifically, this disclosure provides compounds and methods for diagnosing and treating diseases associated with cells and/or vasculature expressing prostate specific membrane antigen (PSMA), such as prostate cancer and related diseases. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: November 24, 2020
    Assignee: On Target Laboratories, LLC
    Inventors: Sumith A Kularatne, Mini Thomas
  • Publication number: 20200353108
    Abstract: The present disclosure relates to compositions and methods of carbonic anhydrase IX inhibitors. The present disclosure also relates to targeting conjugates of carbonic anhydrase IX inhibitors. The present disclosure also relates to the use of targeting conjugates of carbonic anhydrase IX inhibitors in methods of treating disease and for imaging of disease.
    Type: Application
    Filed: August 21, 2018
    Publication date: November 12, 2020
    Inventors: Philip S. LOW, Isaac J. MARKS, Spencer GARDEEN, Sumith A. KULARATNE
  • Patent number: 10828282
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: November 10, 2020
    Assignee: PURDUE RESEARCH FOUNDATION
    Inventors: Philip S. Low, Sumith A. Kularatne
  • Publication number: 20200330625
    Abstract: The present invention describes new compounds that are useful for image-guided surgery and photodynamic therapy. In particular the compounds may be targeted to the nucleus or the mitochondria after compounds were delivered to diseased tissues such as cancer using a ligand that target receptor that express on the diseased tissue and followed by receptor mediated endocytosis and provide effective activity against cancer cells as well as other disorders. Methods and compositions for use of the same are described.
    Type: Application
    Filed: May 14, 2020
    Publication date: October 22, 2020
    Inventors: Sumith A. Kularatne, Pravin Gagare
  • Patent number: 10786580
    Abstract: Compounds are described herein where CCK2R targeting ligands are attached to an imaging agent through a linker. The compounds can be used in the detection, diagnosis, imaging and treatment of cancer.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: September 29, 2020
    Assignee: On Target Laboratories, LLC
    Inventors: Sumith A. Kularatne, Pravin Gagare, Mohammad Noshi
  • Publication number: 20200283748
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical compositions containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Application
    Filed: December 23, 2019
    Publication date: September 10, 2020
    Inventors: Philip Stewart Low, Venkatesh Chelvam, Youngsoon Kim, Sumith A. Kularatne
  • Publication number: 20200261592
    Abstract: Described herein are prostate specific membrane antigen (PSMA) binding conjugates that are useful for delivering therapeutic, diagnostic and imaging agents. Also described herein are pharmaceutical composition containing them and methods of using the conjugates and compositions. Also described are processes for manufacture of the conjugates and the compositions containing them.
    Type: Application
    Filed: May 7, 2020
    Publication date: August 20, 2020
    Inventors: Philip S. Low, Sumith A. Kularatne
  • Patent number: 10746741
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a ligand that binds to the active site of carbonic anhydrase, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid, amide, ureido, or polyethylene glycol derivative thereof. The disclosure further describes methods and compositions for making and using the compounds, methods incorporating the compounds, and kits incorporating the compounds.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: August 18, 2020
    Assignee: On Target Laboratories, LLC
    Inventors: Sumith A Kularatne, Pravin Gagare, Ananda Kumar Kanduluru
  • Publication number: 20200188534
    Abstract: The present disclosure relates to compounds that are useful as near-infrared fluorescence probes, wherein the compounds include i) a pteroyl ligand that binds to a target receptor protein, ii) a dye molecule, and iii) a linker molecule that comprises an amino acid or derivative thereof. The disclosure further describes methods and compositions for incorporating the compounds as used for the targeted imaging of tumors. Conjugation of the amino acid linking groups increase specificity and detection of the compound. Methods and compositions for use thereof in diagnostic imaging are contemplated.
    Type: Application
    Filed: July 11, 2019
    Publication date: June 18, 2020
    Inventor: Sumith A. Kularatne