Patents by Inventor Kalaiselvan Ramaraju

Kalaiselvan Ramaraju 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: 20230285301
    Abstract: The present invention discloses an extended release multi-particulate sprinkle composition comprising a plurality of discrete units, each discrete unit comprising quetiapine or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 14, 2023
    Applicant: Sun Pharmaceutical Industries Limited
    Inventors: Amit KUMAR, Ravindra AGARWAL, Pulak Kumar METIA, Kalaiselvan RAMARAJU, Sumit MADAN, Romi Barat SINGH
  • Patent number: 11690805
    Abstract: The present invention discloses an extended release multi-particulate sprinkle composition comprising a plurality of discrete units, each discrete unit comprising quetiapine or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: July 4, 2023
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Amit Kumar, Ravindra Agarwal, Pulak Kumar Metia, Kalaiselvan Ramaraju, Sumit Madan, Romi Barat Singh
  • Publication number: 20230172875
    Abstract: The present invention relates to extended release liquid compositions of guaifenesin. The extended release liquid compositions are in the form of suspensions which are ready-to-use or suspensions which are reconstituted from powder. It also relates to processes for the preparation of said extended release liquid compositions.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 8, 2023
    Inventors: Radhakrishna VANKAYALA, Balaram MONDAL, Sandeep Kumar VATS, Kalaiselvan RAMARAJU, Romi Barat SINGH, Ashish KUMAR
  • Publication number: 20220105040
    Abstract: The present invention discloses an extended release multi-particulate sprinkle composition comprising a plurality of discrete units, each discrete unit comprising quetiapine or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients.
    Type: Application
    Filed: December 14, 2021
    Publication date: April 7, 2022
    Applicant: Sun Pharmaceutical Industries Limited
    Inventors: Amit KUMAR, Ravindra AGARWAL, Pulak Kumar METIA, Kalaiselvan RAMARAJU, Sumit MADAN, Romi Barat SINGH
  • Patent number: 10258583
    Abstract: The present invention relates to extended release liquid compositions of guanfacine. The extended release liquid compositions of the present invention are bioequivalent to marketed extended release tablet compositions of guanfacine. Said extended release liquid compositions provide substantially similar in-vitro dissolution release profile upon storage for at least seven days. Further, the extended release liquid compositions are stable. The extended release liquid compositions are in the form of ready-to-use liquid compositions or reconstituted liquid compositions. It also relates to processes for the preparation of said extended release liquid compositions.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: April 16, 2019
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Romi Barat Singh, Kalaiselvan Ramaraju, Balaram Mondal, Ashish Kumar, Suchitra Kaushik
  • Patent number: 10238803
    Abstract: The present invention relates to a dual-chamber pack with a first chamber comprising a container; and a second chamber comprising a reservoir, a biphasic connector, a plunger, and a plug with a breakable polymeric membrane. The container of the first chamber is prefilled with a pharmaceutically acceptable vehicle and the reservoir of the second chamber is prefilled with a solid composition of an active ingredient, wherein the solid composition of the active ingredient is mixed with the pharmaceutically acceptable vehicle to form a liquid pharmaceutical composition upon activation of the dual-chamber pack.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: March 26, 2019
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Ashish Kumar, Kalaiselvan Ramaraju, Romi Barat Singh, Bhupesh Kumar Mittal, Rahul Bhargava, Mohit Mittal
  • Publication number: 20190046468
    Abstract: The present invention relates to extended release liquid compositions of guaifenesin. The extended release liquid compositions are in the form of suspensions which are ready-to-use or suspensions which are reconstituted from powder. It also relates to processes for the preparation of said extended release liquid compositions.
    Type: Application
    Filed: August 13, 2018
    Publication date: February 14, 2019
    Inventors: Radhakrishna VANKAYALA, Balaram MONDAL, Sandeep Kumar VATS, Kalaiselvan RAMARAJU, Romi Barat SINGH, Ashish KUMAR
  • Publication number: 20180221314
    Abstract: The present invention relates to oral liquid compositions of guanfacine. The liquid compositions can be immediate release or extended release compositions. The compositions comprise guanfacine in a concentration from about 0.1 mg/mL to about 12.0 mg/mL of the composition. The liquid compositions can be in the form of ready-to use liquid compositions or reconstituted liquid compositions. It further relates to processes for the preparation of said oral liquid compositions.
    Type: Application
    Filed: April 2, 2018
    Publication date: August 9, 2018
    Inventors: Romi Barat SINGH, Kalaiselvan RAMARAJU, Balaram MONDAL, Ashish KUMAR, Suchitra KAUSHIK
  • Publication number: 20180133399
    Abstract: The present invention relates to a dual-chamber pack with a first chamber comprising a container; and a second chamber comprising a reservoir, a biphasic connector, a plunger, and a plug with a breakable polymeric membrane. The container of the first chamber is prefilled with a pharmaceutically acceptable vehicle and the reservoir of the second chamber is prefilled with a solid composition of an active ingredient, wherein the solid composition of the active ingredient is mixed with the pharmaceutically acceptable vehicle to form a liquid pharmaceutical composition upon activation of the dual-chamber pack.
    Type: Application
    Filed: December 22, 2017
    Publication date: May 17, 2018
    Inventors: Ashish KUMAR, Kalaiselvan RAMARAJU, Romi Barat SINGH, Bhupesh Kumar MITTAL, Rahul BHARGAVA, Mohit MITTAL
  • Patent number: 9962345
    Abstract: The present invention relates to oral liquid compositions of guanfacine. The liquid compositions can be immediate release or extended release compositions. The compositions comprise guanfacine in a concentration from about 0.1 mg/mL to about 12.0 mg/mL of the composition. The liquid compositions can be in the form of ready-to use liquid compositions or reconstituted liquid compositions. It further relates to processes for the preparation of said oral liquid compositions.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: May 8, 2018
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Romi Barat Singh, Kalaiselvan Ramaraju, Balaram Mondal, Ashish Kumar, Suchitra Kaushik
  • Publication number: 20170340519
    Abstract: The present invention relates to a dual-chamber pack comprising a first chamber prefilled with a suspension base and a second chamber prefilled with a powder for suspension comprising an active ingredient, wherein upon activation of the dual-chamber pack, the contents of both the chambers are mixed to form an extended release suspension composition which is characterized by having no substantial change in the in-vitro dissolution release profile of the active ingredient upon storage for at least seven days.
    Type: Application
    Filed: November 16, 2016
    Publication date: November 30, 2017
    Inventors: Rahul BHARGAVA, Bhupesh Kumar MITTAL, Kalaiselvan RAMARAJU, Ashish KUMAR
  • Publication number: 20170340583
    Abstract: This disclosure provides an extended-release capsule dosage form of metoprolol succinate in the form of coated discrete units, wherein said capsule dosage form is bioequivalent to the marketed Toprol-XL® tablet. The extended-release capsule dosage form comprising coated discrete units can be sprinkled onto food to ease administration to patients who have difficulty swallowing tablets or capsules.
    Type: Application
    Filed: August 21, 2017
    Publication date: November 30, 2017
    Inventors: Sandeep Kumar VATS, Balaram MONDAL, Kalaiselvan RAMARAJU, Romi Barat SINGH
  • Patent number: 9750696
    Abstract: The present invention relates to controlled-release pharmaceutical dosage forms comprising a solid dispersion of a poorly water-soluble or insoluble drug with improved solubility and thus improved dissolution in an aqueous medium. The invention further discloses a process of preparation of these controlled-release dosage forms.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: September 5, 2017
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Sandeep Kumar Vats, Kalaiselvan Ramaraju, Romi Barat Singh
  • Patent number: 9700530
    Abstract: This disclosure provides an extended-release capsule dosage form of metoprolol succinate in the form of coated discrete units, wherein said capsule dosage form is bioequivalent to the marketed Toprol-XL® tablet. The extended-release capsule dosage form comprising coated discrete units can be sprinkled onto food to ease administration to patients who have difficulty swallowing tablets or capsules.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: July 11, 2017
    Assignee: SUN PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Sandeep Kumar Vats, Balaram Mondal, Kalaiselvan Ramaraju, Romi Barat Singh
  • Publication number: 20170189351
    Abstract: This disclosure provides an extended-release capsule dosage form of metoprolol succinate in the form of coated discrete units, wherein said capsule dosage form is bioequivalent to the marketed Toprol-XL® tablet. The extended-release capsule dosage form comprising coated discrete units can be sprinkled onto food to ease administration to patients who have difficulty swallowing tablets or capsules.
    Type: Application
    Filed: March 22, 2017
    Publication date: July 6, 2017
    Inventors: Sandeep Kumar VATS, Balaram MONDAL, Kalaiselvan RAMARAJU, Romi Barat SINGH
  • Publication number: 20170119627
    Abstract: The present invention relates to a dual-chamber pack comprising a first chamber prefilled with a suspension base and a second chamber prefilled with a powder for suspension comprising an active ingredient, wherein upon activation of the dual-chamber pack, the contents of both the chambers are mixed to form an extended release suspension composition which is characterized by having no substantial change in the in-vitro dissolution release profile of the active ingredient upon storage for at least seven days.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 4, 2017
    Inventors: Rahul BHARGAVA, Bhupesh Kumar MITTAL, Kalaiselvan RAMARAJU, Ashish KUMAR
  • Publication number: 20170049774
    Abstract: The present invention relates to sustained release oral pharmaceutical compositions of tofacitinib comprising tofacitinib, a release controlling polymer, and pharmaceutically acceptable excipients, wherein the sustained release oral pharmaceutical compositions further comprise an outer modified release coating that includes a modified release polymer. The invention also relates to a process for the preparation of the compositions.
    Type: Application
    Filed: August 10, 2016
    Publication date: February 23, 2017
    Inventors: Romi Barat SINGH, Kalaiselvan RAMARAJU, Sandeep Kumar VATS, Pulak Kumar METIA, Balamurali Krishna NOOKA
  • Publication number: 20170042837
    Abstract: This disclosure provides an extended-release capsule dosage form of metoprolol succinate in the form of coated discrete units, wherein said capsule dosage form is bioequivalent to the marketed ToprolXL® tablet. The extended-release capsule dosage form comprising coated discrete units can be sprinkled onto food to ease administration to patients who have difficulty swallowing tablets or capsules.
    Type: Application
    Filed: October 28, 2016
    Publication date: February 16, 2017
    Inventors: Sandeep Kumar VATS, Balaram MONDAL, Kalaiselvan RAMARAJU, Romi Barat SINGH
  • Publication number: 20160346235
    Abstract: The present invention relates to oral liquid compositions of guanfacine. The liquid. compositions can be immediate release or extended release compositions. The compositions comprise guanfacine in a concentration from about 0.1 mg/mL to about 12.0 mg/mL of the composition. The liquid compositions can be in the form of ready-to use liquid compositions or reconstituted liquid compositions. It further relates to processes for the preparation of said oral liquid compositions.
    Type: Application
    Filed: May 2, 2016
    Publication date: December 1, 2016
    Inventors: Romi Barat SINGH, Kalaiselvan RAMARAJU, Balaram MONDAL, Ashish KUMAR, Suchitra KAUSHIK
  • Publication number: 20160346233
    Abstract: The present invention relates to extended release liquid compositions of guanfacine. The extended release liquid compositions of the present invention are bioequivalent to marketed extended release tablet compositions of guanfacine. Said extended release liquid compositions provide substantially similar in-vitro dissolution release profile upon storage for at least seven days. Further, the extended release liquid compositions are stable. The extended release liquid compositions are in the form of ready-to-use liquid compositions or reconstituted liquid compositions. It also relates to processes for the preparation of said extended release liquid compositions.
    Type: Application
    Filed: May 6, 2016
    Publication date: December 1, 2016
    Inventors: Romi Barat SINGH, Kalaiselvan RAMARAJU, Balaram MONDAL, Ashish KUMAR, Suchitra KAUSHIK