Patents by Inventor Hiep The Luu

Hiep The Luu 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: 11427552
    Abstract: Heterocyclic compounds are described that are lysophosphatidic acid receptor ligands that are useful in the treatment of lysophosphatidic acid receptor-dependent diseases and conditions, including but not limited to diseases involving fibrosis, such as fibrosis of the heart, kidney, liver and lung, and scleroderma; inflammatory diseases such as diabetic nephropathy and inflammatory bowel disease; ocular diseases such as diseases involving retinal degeneration; nerve diseases such as pruritus and pain. Non-limiting examples of those compounds include (RS)-3-Cyclopropyl-2-{4-[3-methyl-4-((R)-1-phenyl-ethoxycarbonylamino)-isoxazol-5-yl]-benzyloxy}-propionic acid and (R)-1-(4?-{5-[1-(2-Chloro-phenyl)-ethoxycarbonylamino]-4-fluoro-pyrazol-1-yl}-2-fluoro-biphenyl-4-yl)-cyclopropanecarboxylic acid.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: August 30, 2022
    Assignee: Epigen Biosciences, Inc.
    Inventors: Graham Beaton, Fabio C. Tucci, Satheesh B. Ravula, Chandravadan R. Shah, Hiep Luu
  • Publication number: 20220216411
    Abstract: The present disclosure relates to novel photoluminescent complexes comprising a BODIPY moiety covalently bonded to a blue light absorbing moiety, a color conversion film comprising the photoluminescent complex, and a back-light unit using the same.
    Type: Application
    Filed: April 11, 2020
    Publication date: July 7, 2022
    Inventors: Shijun Zheng, Stanislaw Rachwal, Jeffrey R. Hammaker, Hiep LUU, Eduardo Aguirre, Peng Wang, Jan Saska
  • Patent number: 11149203
    Abstract: Described herein are liquid crystal compositions containing a five-member heterocyclic ring that can allow for the adjustment of their refractive indices under the application of an electric field. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal elements and devices using the aforementioned compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: October 19, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Sazzadur Rahman Khan, Hiep Luu
  • Patent number: 11001757
    Abstract: Described herein are heterocyclic liquid crystal compositions that can allow for the adjustment of their refractive indices by the application of an electric field. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal (PDLC) elements and devices using these compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: May 11, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Sazzadur Rahman Khan, Hiep Luu
  • Patent number: 11003008
    Abstract: Heterocyclic liquid crystal compositions that can allow for the adjustment of their refractive indices by the application of an electric field, such as those described by the following formula: are disclosed. Also disclosed are selectively dimmable reverse-mode polymer dispersed liquid crystal (PDLC) elements and devices using the aforementioned compositions, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: May 11, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Sazzadur Rahman Khan, Hiep Luu
  • Patent number: 10934486
    Abstract: Described herein are liquid crystal compositions and derivative mixtures thereof that can allow for the adjustment of their refractive indices by the application of an electric field. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal (PDLC) elements and devices using the aforementioned compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: March 2, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Sazzadur Rahman Khan, Hiep Luu, Ekambaram Sambandan
  • Publication number: 20200369957
    Abstract: Described herein are heterocyclic liquid crystal compositions that can allow for the adjustment of their refractive indices by the application of an electric field. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal (PDLC) elements and devices using these compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Application
    Filed: August 3, 2018
    Publication date: November 26, 2020
    Inventors: Sazzadur Rahman Khan, Hiep Luu
  • Publication number: 20200347302
    Abstract: Described herein are liquid crystal compositions containing a five-membered heterocyclic ring that can allow for the adjustment of their refractive indices under the application of an electric field. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal (PDLC) elements and devices using the aforementioned compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Application
    Filed: January 24, 2019
    Publication date: November 5, 2020
    Inventors: Sazzadur Rahman Khan, Hiep Luu
  • Publication number: 20200181099
    Abstract: Heterocyclic compounds are described that are lysophosphatidic acid receptor ligands that are useful in the treatment of lysophosphatidic acid receptor-dependent diseases and conditions, including but not limited to diseases involving fibrosis, such as fibrosis of the heart, kidney, liver and lung, and scleroderma; inflammatory diseases such as diabetic nephropathy and inflammatory bowel disease; ocular diseases such as diseases involving retinal degeneration; nerve diseases such as pruritus and pain. Non-limiting examples of those compounds include (RS)-3-Cyclopropyl-2-{4-[3-methyl-4-((R)-1-phenyl-ethoxycarbonylamino)-isoxazol-5-yl]-benzyloxy}-propionic acid and (R)-1-(4?-{5-[1-(2-Chloro-phenyl)-ethoxycarbonylamino]-4-fluoro-pyrazol-1-yl}-2-fluoro-biphenyl-4-yl)-cyclopropanecarboxylic acid.
    Type: Application
    Filed: February 7, 2020
    Publication date: June 11, 2020
    Applicant: EPIGEN BIOSCIENCES, INC.
    Inventors: Graham BEATON, Fabio C. TUCCI, Satheesh B. RAVULA, Chandravadan R. SHAH, Hiep LUU
  • Patent number: 10570103
    Abstract: A method for treating a lysophosphatidic acid-dependent disease or condition in a subject in need thereof is provided. The method includes administering to the subject a therapeutically effective amount of a heterocyclic compound. The heterocyclic compound is a lysophosphatidic acid receptor ligand. Lysophosphatidic acid-dependent diseases and conditions include diseases involving fibrosis, such as fibrosis of the heart, kidney, liver and lung, and scleroderma; inflammatory diseases such as diabetic nephropathy and inflammatory bowel disease; ocular diseases such as diseases involving retinal degeneration; nerve diseases such as pruritus and pain.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: February 25, 2020
    Assignee: EPIGEN BIOSCIENCES, INC.
    Inventors: Graham Beaton, Fabio C. Tucci, Satheesh B. Ravula, Chandravadan R. Shah, Hiep Luu
  • Publication number: 20200017768
    Abstract: Described herein are liquid crystal compositions containing a five-member heterocyclic ring that can allow for the adjustment of their refractive indices under the application of an electric field. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal elements and devices using the aforementioned compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Application
    Filed: February 14, 2018
    Publication date: January 16, 2020
    Inventors: Sazzadur Rahman Khan, Hiep Luu
  • Patent number: 10526298
    Abstract: Heterocyclic compounds are described that are lysophosphatidic acid receptor ligands that are useful in the treatment of lysophosphatidic acid receptor-dependent diseases and conditions, including but not limited to diseases involving fibrosis, such as fibrosis of the heart, kidney, liver and lung, and scleroderma; inflammatory diseases such as diabetic nephropathy and nonalcoholic steatohepatitis (NASH); ocular diseases such as diseases involving retinal degeneration; nerve diseases such as pruritus and pain.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: January 7, 2020
    Assignee: EPIGEN BIOSCIENCES, INC.
    Inventors: Graham Beaton, Fabio C. Tucci, Satheesh B. Ravula, Chandravadan R. Shah, Hiep Luu
  • Publication number: 20190233728
    Abstract: Described herein are liquid crystal compositions and derivative mixtures thereof that can allow for the adjustment of their refractive indices by the application of an electric field. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal (PDLC) elements and devices using the aforementioned compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Application
    Filed: April 2, 2019
    Publication date: August 1, 2019
    Inventors: Sazzadur Rahman Khan, Hiep Luu, Ekambaram Sambandan
  • Publication number: 20190187497
    Abstract: Described herein are heterocyclic liquid crystal compositions that can allow for the adjustment of their refractive indices by the application of an electric field, such as those described by the following formula (1) wherein R1, R2, R3, R4, R5, R6, R7, R8, X, Y are as described herein. In addition, selectively dimmable reverse-mode polymer dispersed liquid crystal (PDLC) elements and devices using the aforementioned compositions are also described, which are transparent when no voltage is applied and opaque when a voltage is applied.
    Type: Application
    Filed: August 4, 2017
    Publication date: June 20, 2019
    Inventors: Sazzadur Rahman Khan, Hiep Luu
  • Publication number: 20190135767
    Abstract: A method for treating a lysophosphatidic acid-dependent disease or condition in a subject in need thereof is provided. The method includes administering to the subject a therapeutically effective amount of a heterocyclic compound. The heterocyclic compound is a lysophosphatidic acid receptor ligand. Lysophosphatidic acid-dependent diseases and conditions include diseases involving fibrosis, such as fibrosis of the heart, kidney, liver and lung, and scleroderma; inflammatory diseases such as diabetic nephropathy and inflammatory bowel disease; ocular diseases such as diseases involving retinal degeneration; nerve diseases such as pruritus and pain.
    Type: Application
    Filed: June 5, 2018
    Publication date: May 9, 2019
    Applicant: EPIGEN BIOSCIENCES, INC.
    Inventors: Graham BEATON, Fabio C. TUCCI, Satheesh B. RAVULA, Chandravadan R. SHAH, Hiep LUU
  • Publication number: 20180297962
    Abstract: Heterocyclic compounds are described that are lysophosphatidic acid receptor ligands that are useful in the treatment of lysophosphatidic acid receptor-dependent diseases and conditions, including but not limited to diseases involving fibrosis, such as fibrosis of the heart, kidney, liver and lung, and scleroderma; inflammatory diseases such as diabetic nephropathy and nonalcoholic steatohepatitis (NASH); ocular diseases such as diseases involving retinal degeneration; nerve diseases such as pruritus and pain.
    Type: Application
    Filed: June 18, 2018
    Publication date: October 18, 2018
    Applicant: EPIGEN BIOSCIENCES, INC.
    Inventors: Graham Beaton, Fabio C. Tucci, Satheesh B. Ravula, Chandravadan R. Shah, Hiep Luu
  • Patent number: 10000459
    Abstract: Heterocyclic compounds are described that are lysophosphatidic acid receptor ligands that are useful in the treatment of lysophosphatidic acid receptor-dependent diseases and conditions, including but not limited to diseases involving fibrosis, such as fibrosis of the heart, kidney, liver and lung, and scleroderma; inflammatory diseases such as diabetic nephropathy and inflammatory bowel disease; ocular diseases such as diseases involving retinal degeneration; nerve diseases such as pruritus and pain. Non-limiting examples of those compounds include (RS)-3-Cyclopropyl-2-{4-[3-methyl-4-((R)-1-phenyl-ethoxycarbonylamino)-isoxazol-5-yl]-benzyloxy}-propionic acid and (R)-1-(4?-{5-[1-(2-Chloro-phenyl)-ethoxycarbonylamino]-4-fluoro-pyrazol-1-yl}-2-fluoro-biphenyl-4-yl)-cyclopropanecarboxylic acid.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: June 19, 2018
    Assignee: Epigen Biosciences, Inc.
    Inventors: Graham Beaton, Fabio C. Tucci, Satheesh B. Ravula, Chandravadan R. Shah, Hiep Luu
  • Publication number: 20160024031
    Abstract: Heterocyclic compounds are described that are lysophosphatidic acid receptor ligands that are useful in the treatment of lysophosphatidic acid receptor-dependent diseases and conditions, including but not limited to diseases involving fibrosis, such as fibrosis of the heart, kidney, liver and lung, and scleroderma; inflammatory diseases such as diabetic nephropathy and inflammatory bowel disease; ocular diseases such as diseases involving retinal degeneration; nerve diseases such as pruritus and pain. Non-limiting examples of those compounds include (RS)-3-Cyclopropyl-2-{4-[3-methyl-4((R)-1-phenyl-ethoxycarbonylamino)-isoxazol-5-yl]-benzyloxy}-propionic acid and (R)-1-(4?-{5-[1-(2-Chloro-phenyl)-ethoxycarbonylamino]-4-fluoro-pyrazol-1-yl}-2-fluoro-biphenyl-4-yl)-cyclopropanecarboxylic acid.
    Type: Application
    Filed: March 17, 2014
    Publication date: January 28, 2016
    Applicant: EPIGEN BIOSCIENCES, INC.
    Inventors: Graham BEATON, Fabio C. TUCCI, Satheesh B. RAVULA, Chandravadan R. SHAH, Hiep LUU
  • Patent number: 7141587
    Abstract: Indazole compounds that modulate and/or inhibit the activity of certain protein kinases are described. These compounds and pharmaceutical compositions containing them are capable of mediating tyrosine kinase signal transduction and thereby modulate and/or inhibit unwanted cell proliferation. The invention is also directed to the therapeutic or prophylactic use of pharmaceutical compositions containing such compounds, and to methods of treating cancer and other disease states associated with unwanted angiogenesis and/or cellular proliferation, such as diabetic retinopathy, neovascular glaucoma, rheumatoid arthritis, and psoriasis, by administering effective amounts of such compounds.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: November 28, 2006
    Assignee: Agouron Pharmaceuticals, Inc.
    Inventors: Robert Steven Kania, Steven Lee Bender, Allen J. Borchardt, Stephan James Cripps, Ye Hua, Michael David Johnson, Theodore Otto Johnson, Jr., Hiep The Luu, Cynthia Louise Palmer, Siegfried Heinz Reich, Anna Maria Tempczyk-Russell, Min Teng, Christine Thomas, Michael David Varney, Michael Brennan Wallace, Michael Raymond Collins
  • Patent number: 6989384
    Abstract: Compounds of the formula: where the formula variables are as defined in the disclosure, advantageously inhibit or block the biological activity of the picomaviral 3C protease. These compounds, as well as pharmaceutical compositions containing these compounds, are useful for treating patients or hosts infected with one or more picornaviruses, such as RVP. Intermediates and synthetic methods for preparing such compounds are also described.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: January 24, 2006
    Assignee: Agouron Pharmaceuticals, Inc.
    Inventors: Ye Hua, Hiep The Luu, Fora P. Chan, Theodore O. Johnson, Jr., Siegfried Heinz Reich, Donald James Skalitzky, Yi Yang, Thomas F. Hendrickson, Shao Song Chu, Brian Walter Eastman