Patents by Inventor Ashok Perumal

Ashok Perumal 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: 20240335501
    Abstract: Provided herein are desmopressin oral liquid formulations. Also provided herein are methods of making and using desmopressin oral liquid compositions for the treatment of certain diseases including diabetes insipidus, enuresis, hemophilia A, von willebrand disease, high blood urea levels and others.
    Type: Application
    Filed: April 3, 2024
    Publication date: October 10, 2024
    Inventors: Yu-Hsing TU, Kalyan KATHALA, Romona BHATTACHARYA, Yingjun FAN, Ashok PERUMAL
  • Publication number: 20240299307
    Abstract: The present disclosure provides extended release atomoxetine compositions suitable for once-daily administration. The compositions comprise a core comprising atomoxetine or a pharmaceutically acceptable salt thereof; and a functional coat/extended release coat over the core. The extended release compositions of the disclosure provide a lag time of at least about 30 minutes during which compositions release less than or equal to 20% of atomoxetine or the pharmaceutically acceptable salt thereof, based on the total weight of atomoxetine or a pharmaceutically acceptable salt thereof present in the composition, measured in 900 mL of a dissolution medium comprising 0.05 M pH 6.8 buffer, using USP Apparatus II (paddle) at 50 rpm and 37° C.
    Type: Application
    Filed: February 15, 2022
    Publication date: September 12, 2024
    Applicant: Tulex Pharmaceuticals, Inc.
    Inventors: Yu-Hsing Tu, Shanmuka Harish Chalamuri, Kalyan Kathala, Ashok Perumal, James A. Lee
  • Publication number: 20240277656
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: January 11, 2024
    Publication date: August 22, 2024
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Romona BHATTACHARYA
  • Patent number: 11911362
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: February 27, 2024
    Assignee: TULEX PHARMACEUTICALS INC.
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Patent number: 11826343
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: November 28, 2023
    Assignee: TULEX PHARMACEUTICALS INC.
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Publication number: 20230372328
    Abstract: The present disclosure relates to oral delayed burst formulations comprising naltrexone or naloxone. The present disclosure also relates to doses, capsules, and tablets comprising the oral delayed burst formulation. The present disclosure also relates to methods of treating chronic pain, fibromyalgia, and long-Covid using the oral delayed burst formulation, doses, capsules, and tablets.
    Type: Application
    Filed: April 5, 2023
    Publication date: November 23, 2023
    Inventors: Shanmuka Harish CHALAMURI, Ashok PERUMAL, Yu-Hsing TU, Tien-Li LEE, Zhenhuan ZHENG
  • Publication number: 20230355574
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Romona BHATTACHARYA
  • Publication number: 20230233522
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: March 27, 2023
    Publication date: July 27, 2023
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Romona BHATTACHARYA
  • Publication number: 20230233542
    Abstract: An oral methylphenidate extended release tablet is described, which can be scored and still retain its extended release profile. The tablet contains a combination of an uncoated methylphenidate - ion exchange resin complex, a barrier coated methylphenidate - ion exchange resin complex -matrix, and an uncomplexed methylphenidate active component. Following administration of a single dose of the extended release methylphenidate chewable tablet, a therapeutically effective amount of methylphenidate is reached in less than about 20 minutes and the composition provides a twelve-hour extended release profile.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 27, 2023
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala
  • Patent number: 11633374
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: April 25, 2023
    Assignee: TULEX PHARMACEUTICALS INC.
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Patent number: 11633389
    Abstract: An oral methylphenidate extended release tablet is described, which can be scored and still retain its extended release profile. The tablet contains a combination of an uncoated methylphenidate-ion exchange resin complex, a barrier coated methylphenidate-ion exchange resin complex-matrix, and an uncomplexed methylphenidate active component. Following administration of a single dose of the extended release methylphenidate chewable tablet, a therapeutically effective amount of methylphenidate is reached in less than about 20 minutes and the composition provides a twelve-hour extended release profile.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: April 25, 2023
    Assignee: TRIS PHARMA, INC
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala
  • Publication number: 20220401512
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: June 27, 2022
    Publication date: December 22, 2022
    Inventors: Yu-Hsing TU, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Publication number: 20220401400
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: June 27, 2022
    Publication date: December 22, 2022
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Romona BHATTACHARYA
  • Patent number: 11433046
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: September 6, 2022
    Assignee: Tulex Pharmaceuticals Inc.
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala, Romona Bhattacharya
  • Publication number: 20220265566
    Abstract: A nanoparticle ATQ composition is provided which has good stability and bioavailability. Compositions and methods of using the nanoparticle ATQ composition in treating parasitic and other infections is described.
    Type: Application
    Filed: October 18, 2019
    Publication date: August 25, 2022
    Inventors: Yu-Hsing Tu, Yingjun Fan, Kalyan Kathala, Ashok Perumal
  • Patent number: 11103494
    Abstract: An oral methylphenidate extended release tablet is described, which can be scored and still retain its extended release profile. The tablet contains a combination of an uncoated methylphenidate-ion exchange resin complex, a barrier coated methylphenidate-ion exchange resin complex-matrix, and an uncomplexed methylphenidate active component. Following administration of a single dose of the extended release methylphenidate chewable tablet, a therapeutically effective amount of methylphenidate is reached in less than about 20 minutes and the composition provides a twelve-hour extended release profile.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: August 31, 2021
    Assignee: TRIS PHARMA, INC
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala
  • Patent number: 11103495
    Abstract: An oral methylphenidate extended release tablet is described, which can be scored and still retain its extended release profile. The tablet contains a combination of an uncoated methylphenidate—ion exchange resin complex, a barrier coated methylphenidate—ion exchange resin complex—matrix, and an uncomplexed methylphenidate active component. Following administration of a single dose of the extended release methylphenidate chewable tablet, a therapeutically effective amount of methylphenidate is reached in less than about 20 minutes and the composition provides a twelve-hour extended release profile.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: August 31, 2021
    Assignee: TRIS PHARMA, INC
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala
  • Publication number: 20210251952
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: May 5, 2021
    Publication date: August 19, 2021
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Romona BHATTACHARYA
  • Publication number: 20210213007
    Abstract: An oral methylphenidate extended release tablet is described, which can be scored and still retain its extended release profile. The tablet contains a combination of an uncoated methylphenidate—ion exchange resin complex, a barrier coated methylphenidate—ion exchange resin complex—matrix, and an uncomplexed methylphenidate active component. Following administration of a single dose of the extended release methylphenidate chewable tablet, a therapeutically effective amount of methylphenidate is reached in less than about 20 minutes and the composition provides a twelve-hour extended release profile.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Inventors: Yu-Hsing Tu, Ashok Perumal, Kalyan Kathala
  • Publication number: 20210169844
    Abstract: Compositions are provided for the liquid oral administration of topiramate and its salts. The invention further provides methods for treating diseases and disorders using the compositions.
    Type: Application
    Filed: August 21, 2020
    Publication date: June 10, 2021
    Inventors: Yu-Hsing TU, Ashok PERUMAL, Kalyan KATHALA, Ramona BHATTACHARYA