Patents by Inventor Kalyan Kathala

Kalyan Kathala 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: 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: 11904046
    Abstract: Provided herein are oral liquid formulations of hydrocortisone. Also provided herein are methods of making and using hydrocortisone oral liquid compositions for the treatment of certain diseases including endocrine disorders, rheumatic disorders, collagen diseases, dermatologic diseases, and others.
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: February 20, 2024
    Assignee: ETON PHARMACEUTICALS, INC.
    Inventors: Danka Radosavljevic, Sean Brynjelsen, Romona Bhattacharya, Kalyan Kathala
  • 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: 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
  • Publication number: 20230233683
    Abstract: An oral amphetamine extended release liquid suspension is described. The compositions contain a combination of an uncoated amphetamine-cation exchange resin complex, a barrier coated amphetamine-cation exchange resin complex-matrix, and an uncomplexed amphetamine, wherein one or more of these components contains blends of different forms of amphetamines. Either the modified release coated and/or the uncoated amphetamine-cation exchange resin complex may have two forms of amphetamine in a complex with a single cation exchange resin. Following administration of a single dose of the composition, a therapeutically effective amount of amphetamine is reached by about one hour and the composition provides at least a thirteen hour effect post-dose.
    Type: Application
    Filed: January 19, 2023
    Publication date: July 27, 2023
    Inventors: Ketan Mehta, Kalyan Kathala, Yu-Hsing Tu
  • Publication number: 20230181477
    Abstract: An oral amphetamine extended release solid dose is described. The compositions contain a combination of an uncoated amphetamine-cation exchange resin complex, a barrier coated amphetamine-cation exchange resin complex-matrix, and an uncomplexed amphetamine, wherein one or more of these components contains blends of different forms of amphetamines. Either the modified release coated and/or the uncoated amphetamine-cation exchange resin complex may have two forms of amphetamine in a complex with a single cation exchange resin. Following administration of a single dose of the composition, a therapeutically effective amount of amphetamine is reached by about one hour and the composition provides at least a thirteen hour effect post-dose.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 15, 2023
    Applicant: Tris Pharma, Inc.
    Inventors: Ketan Mehta, Kalyan Kathala
  • 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
  • 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: 11590081
    Abstract: An oral amphetamine extended release solid dose is described. The compositions contain a combination of an uncoated amphetamine-cation exchange resin complex, a barrier coated amphetamine—cation exchange resin complex—matrix, and an uncomplexed amphetamine, wherein one or more of these components contains blends of different forms of amphetamines. Either the modified release coated and/or the uncoated amphetamine—cation exchange resin complex may have two forms of amphetamine in a complex with a single cation exchange resin. Following administration of a single dose of the composition, a therapeutically effective amount of amphetamine is reached by about one hour and the composition provides at least a thirteen hour effect post-dose.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: February 28, 2023
    Assignee: TRIS PHARMA, INC
    Inventors: Ketan Mehta, Kalyan Kathala
  • Patent number: 11590228
    Abstract: An oral amphetamine extended release liquid suspension is described. The compositions contain a combination of an uncoated amphetamine-cation exchange resin complex, a barrier coated amphetamine-cation exchange resin complex-matrix, and an uncomplexed amphetamine, wherein one or more of these components contains blends of different forms of amphetamines. Either the modified release coated and/or the uncoated amphetamine-cation exchange resin complex may have two forms of amphetamine in a complex with a single cation exchange resin. Following administration of a single dose of the composition, a therapeutically effective amount of amphetamine is reached by about one hour and the composition provides at least a thirteen hour effect post-dose.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: February 28, 2023
    Assignee: TRIS PHARMA, INC
    Inventors: Ketan Mehta, Kalyan Kathala, Yu-Hsing Tu
  • 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