Patents by Inventor Ajay Jaysingh Khopade

Ajay Jaysingh Khopade 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: 11951106
    Abstract: The present invention relates to a method of increasing the bioavailability and/or prolonging ophthalmic action of a drug, the method comprising instilling into the eye an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters having a D50 value of at least 2 micrometer and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometer to 900 nanometer. The present invention further relates to an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters have a D50 value of at least 2 micrometers and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometers to 900 nanometers.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: April 9, 2024
    Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.
    Inventors: Ajay Jaysingh Khopade, Arindam Halder
  • Publication number: 20240099965
    Abstract: The present disclosure relates to a ready-to-use or a ready to administer parenteral dosage form of oxytocin or a pharmaceutically acceptable salt thereof comprising a ready-to-infuse, stable aqueous solution of oxytocin or a pharmaceutically acceptable salt thereof. The solution can be administered to a patient in need thereof without manipulations in terms of its concentration and is stable for a prolonged period of time.
    Type: Application
    Filed: February 3, 2022
    Publication date: March 28, 2024
    Inventors: Samarth KUMAR, Neeraj Kumar GARG, Ajay Jaysingh KHOPADE, Subhas Balaram BHOWMICK
  • Patent number: 11931359
    Abstract: The present invention relates to a method of increasing the bioavailability and/or prolonging ophthalmic action of a drug, the method comprising instilling into the eye an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters having a D50 value of at least 2 micrometer and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometer to 900 nanometer. The present invention further relates to an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters have a D50 value of at least 2 micrometers and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometers to 900 nanometers.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: March 19, 2024
    Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.
    Inventors: Ajay Jaysingh Khopade, Arindam Halder
  • Publication number: 20240082161
    Abstract: A lyophilized pharmaceutical composition of hydrolytically unstable pharmaceutical compounds, such as phenobarbital or salts thereof, is provided. An aqueous solution for injection of phenobarbital or salts thereof that is reconstituted from the lyophilized pharmaceutical composition is provided. The pharmaceutical compositions of the present disclosure have an ethanol content in the range from about 5000 ppm to about 70000 ppm. The composition of the present disclosure, in certain embodiments, is stable following two years of storage, wherein the total impurities do not exceed 0.5%. The pharmaceutical compositions of the present disclosure may be used for the treatment of neonatal seizures.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Malay SHAH, Bhushan BOROLE, Ravi PATEL, Ajay Jaysingh KHOPADE
  • Patent number: 11890375
    Abstract: The present invention provides a method of treatment of inflammatory disorder of the eye, said method comprising administering into the eye of a person in need thereof, an aqueous solution comprising difluprednate as the sole active ingredient at a concentration of 0.02% to 0.04% weight by volume in an aqueous vehicle, wherein the solution is free of oil and wherein the solution is administered twice-a-day. The present invention also provides an ophthalmic solution comprising a. therapeutically effective concentration of difluprednate, a crystal growth inhibitor and pharmaceutically acceptable amounts of a solubilizer comprising a mixture of i. quaternary ammonium compound and ii. polyethoxylated castor oil, b. in an aqueous vehicle. wherein the crystal growth inhibitor is polyvinyl alcohol or its derivatives.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: February 6, 2024
    Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Ajay Jaysingh Khopade, Arindam Halder, Ankit Shaileshkumar Shah
  • Publication number: 20240000802
    Abstract: The present invention provides an aqueous solution comprising difluprednate as the sole active ingredient, wherein the aqueous solution comprises 0.02% to 0.04% w/v difluprednate and an aqueous vehicle, wherein the aqueous solution is free of oil and wherein the aqueous solution is administered twice-a-day for 7 to 21 days to the subject and a method of reducing an adverse effect associated with an inflammatory disorder of eye in a subject in need thereof, using said aqueous solution.
    Type: Application
    Filed: December 3, 2021
    Publication date: January 4, 2024
    Inventors: Ajay Jaysingh KHOPADE, Arindam HALDER
  • Patent number: 11857683
    Abstract: The present invention relates to a lyophilized pharmaceutical composition of hydrolytically unstable pharmaceutical compounds, such as phenobarbital or salts thereof. The present invention also relates to an aqueous solution for injection of phenobarbital or salts thereof that is reconstituted from the lyophilized pharmaceutical composition. The pharmaceutical compositions of the present disclosure have an ethanol content in the range from about 5000 ppm to about 70000 ppm. The composition of the present disclosure, in certain embodiments, is stable following two years of storage, wherein the total impurities do not exceed 0.5%. The pharmaceutical compositions of the present disclosure may be used for the treatment of neonatal seizures.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: January 2, 2024
    Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Malay Shah, Bhushan Borole, Ravi Patel, Ajay Jaysingh Khopade
  • Publication number: 20230364106
    Abstract: A parenteral dosage form of diltiazem, comprising a ready-to-infuse, stable aqueous solution comprising diltiazem or its pharmaceutically acceptable salt, a pharmaceutically acceptable stabilizer selected from cyclic oligosaccharides, and an infusion container fdled with the said aqueous solution.
    Type: Application
    Filed: September 21, 2021
    Publication date: November 16, 2023
    Inventors: Samarth KUMAR, Milan Mohanbhai VASOYA, Devendra Pratap SINGH, Ajay Jaysingh KHOPADE, Subhas Balaram BHOWMICK
  • Publication number: 20230098352
    Abstract: The present invention relates to a method of increasing the bioavailability and/or prolonging ophthalmic action of a drug, the method comprising instilling into the eye an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters having a D50 value of at least 2 micrometer and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometer to 900 nanometer. The present invention further relates to an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters have a D50 value of at least 2 micrometers and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometers to 900 nanometers.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Ajay Jaysingh KHOPADE, Arindam HALDER
  • Publication number: 20230031957
    Abstract: The present invention relates to a lyophilized pharmaceutical composition of hydrolytically unstable pharmaceutical compounds, such as phenobarbital or salts thereof. The present invention also relates to an aqueous solution for injection of phenobarbital or salts thereof that is reconstituted from the lyophilized pharmaceutical composition. The pharmaceutical compositions of the present disclosure have an ethanol content in the range from about 5000 ppm to about 70000 ppm. The composition of the present disclosure, in certain embodiments, is stable following two years of storage, wherein the total impurities do not exceed 0.5%. The pharmaceutical compositions of the present disclosure may be used for the treatment of neonatal seizures.
    Type: Application
    Filed: April 7, 2022
    Publication date: February 2, 2023
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Malay SHAH, Bhushan BOROLE, Ravi PATEL, Ajay Jaysingh KHOPADE
  • Patent number: 11559487
    Abstract: The present invention relates to nano-resin particles that are suitable for pharmaceutical use and their use in the pharmaceutical field. The present invention provides nano-sized resin particles having a particle size distribution characterized in that D90 value is between 200 nanometers to 900 nanometer and D10 value is not less than 50 nanometers, wherein the nano-resin particles are in pure form and safe for pharmaceutical use. The present invention further relates to pharmaceutical compositions comprising these purified nano-resin particles and their use in the treatment of diseases.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 24, 2023
    Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Ajay Jaysingh Khopade, Arindam Halder, Shivam Umeshkumar Upadhyay
  • Patent number: 11241443
    Abstract: The present invention relates to an ophthalmic solution comprising (i) bimatoprost or its pharmaceutically acceptable salt in an amount ranging from about 0.005% to 0.015% weight by volume; (ii) a biguanide compound in an amount ranging from about 0.003% to 0.05% weight by volume; (iii) an acylated amino acid in an amount ranging from about 0.01% to 0.1% weight by volume; (iv) pharmaceutically acceptable excipients and (v) purified water.
    Type: Grant
    Filed: April 7, 2018
    Date of Patent: February 8, 2022
    Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.
    Inventors: Ajay Jaysingh Khopade, Arindam Halder
  • Publication number: 20210353540
    Abstract: The present invention provides a method of treatment of inflammatory disorder of the eye, said method comprising administering into the eye of a person in need thereof, an aqueous solution comprising difluprednate as the sole active ingredient at a concentration of 0.02% to 0.04% weight by volume in an aqueous vehicle, wherein the solution is free of oil and wherein the solution is administered twice-a-day. The present invention also provides an ophthalmic solution comprising a. therapeutically effective concentration of difluprednate, a crystal growth inhibitor and pharmaceutically acceptable amounts of a solubilizer comprising a mixture of i. quaternary ammonium compound and ii. polyethoxylated castor oil, b. in an aqueous vehicle. wherein the crystal growth inhibitor is polyvinyl alcohol or its derivatives.
    Type: Application
    Filed: July 28, 2021
    Publication date: November 18, 2021
    Inventors: Ajay Jaysingh Khopade, Arindam Halder, Ankit Shaileshkumar Shah
  • Publication number: 20210308130
    Abstract: The present invention relates to a method of increasing the bioavailability and/or prolonging ophthalmic action of a drug, the method comprising instilling into the eye an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters having a D50 value of at least 2 micrometer and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometer to 900 nanometer. The present invention further relates to an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters have a D50 value of at least 2 micrometers and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometers to 900 nanometers.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Inventors: Ajay Jaysingh Khopade, Arindam Halder
  • Patent number: 11103451
    Abstract: The present invention provides a method of treatment of inflammatory disorder of the eye, said method comprising administering into the eye of a person in need thereof, an aqueous solution comprising difluprednate as the sole active ingredient at a concentration of 0.02% to 0.04% weight by volume in an aqueous vehicle, wherein the solution is free of oil and wherein the solution is administered twice-a-day. The present invention also provides an ophthalmic solution comprising a. therapeutically effective concentration of difluprednate, a crystal growth inhibitor and pharmaceutically acceptable amounts of a solubilizer comprising a mixture of i. quaternary ammonium compound and ii. polyethoxylated castor oil, b. in an aqueous vehicle. wherein the crystal growth inhibitor is polyvinyl alcohol or its derivatives.
    Type: Grant
    Filed: October 15, 2016
    Date of Patent: August 31, 2021
    Assignee: Sun Pharma Advanced Research Company Limited
    Inventors: Ajay Jaysingh Khopade, Arindam Halder, Ankit Shaileshkumar Shah
  • Patent number: 11058684
    Abstract: The present invention relates to a method of increasing the bioavailability and/or prolonging ophthalmic action of a drug, the method comprising instilling into the eye an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters having a D50 value of at least 2 micrometer and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometer to 900 nanometer. The present invention further relates to an aqueous suspension comprising reversible clusters of drug loaded nano-resin particles, said clusters have a D50 value of at least 2 micrometers and said drug loaded nano-resin particles have a particle size distribution characterized in that the D90 value is 70 nanometers to 900 nanometers.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: July 13, 2021
    Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Ajay Jaysingh Khopade, Arindam Halder
  • Patent number: 11000475
    Abstract: The present invention provides an ophthalmic solution comprising a. therapeutically effective concentration of difluprednate, a crystal growth inhibitor and pharmaceutically acceptable amounts of a solubilizer comprising a mixture of i. quaternary ammonium compound and ii. polyethoxylated castor oil, b. in an aqueous vehicle. wherein the crystal growth inhibitor is polyvinyl alcohol or its derivatives. Also, the present invention provides a method of treatment of inflammatory disorder of the eye, said method comprising administering into the eye of a person in need thereof, an aqueous solution comprising difluprednate as the sole active ingredient at a concentration of 0.02% to 0.04% weight by volume in an aqueous vehicle, wherein the solution is free of oil and wherein the solution is administered twice-a-day.
    Type: Grant
    Filed: October 15, 2016
    Date of Patent: May 11, 2021
    Assignee: Sun Pharma Advanced Research Company Limited
    Inventors: Ajay Jaysingh Khopade, Arindam Halder, Ankit Shaileshkumar Shah
  • Publication number: 20200170951
    Abstract: The present invention relates to nano-resin particles that are suitable for pharmaceutical use and their use in the pharmaceutical field. The present invention provides nano-sized resin particles having a particle size distribution characterized in that D90 value is between 200 nanometers to 900 nanometer and D10 value is not less than 50 nanometers, wherein the nano-resin particles are in pure form and safe for pharmaceutical use. The present invention further relates to pharmaceutical compositions comprising these purified nano-resin particles and their use in the treatment of diseases.
    Type: Application
    Filed: December 9, 2019
    Publication date: June 4, 2020
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Ajay Jaysingh Khopade, Arindam Halder, Shivam Umeshkumar Upadhyay
  • Publication number: 20200016169
    Abstract: The present invention relates to an ophthalmic solution comprising (i) bimatoprost or its pharmaceutically acceptable salt in an amount ranging from about 0.005% to 0.015% weight by volume; (ii) a biguanide compound in an amount ranging from about 0.003% to 0.05% weight by volume; (iii) an acylated amino acid in an amount ranging from about 0.01% to 0.1% weight by volume; (iv) pharmaceutically acceptable excipients and (v) purified water.
    Type: Application
    Filed: April 7, 2018
    Publication date: January 16, 2020
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED
    Inventors: Ajay Jaysingh KHOPADE, Arindam HALDER
  • Publication number: 20190105268
    Abstract: The present invention relates to a viscoelastic gel comprising therapeutically effective amount of liraglutide, wherein the gel does not have a block or a graft copolymer, and wherein the gel is characterized by yield value from 200 Pa to 3000 Pa and flow point from 300 Pa to 3500 Pa. The invention also provides method of controlling blood sugar levels by subcutaneously administering such gel once-weekly or once-biweekly to a subject in need thereof. The method of preparation of such gels are also provided.
    Type: Application
    Filed: December 16, 2016
    Publication date: April 11, 2019
    Applicant: Sun Pharma Advanced Research Company Limited
    Inventors: Ajay Jaysingh Khopade, Arindam Halder, Vivek Patel