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).
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Patent number: 11951106Abstract: 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: GrantFiled: June 17, 2021Date of Patent: April 9, 2024Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.Inventors: Ajay Jaysingh Khopade, Arindam Halder
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Publication number: 20240099965Abstract: 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: ApplicationFiled: February 3, 2022Publication date: March 28, 2024Inventors: Samarth KUMAR, Neeraj Kumar GARG, Ajay Jaysingh KHOPADE, Subhas Balaram BHOWMICK
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Patent number: 11931359Abstract: 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: GrantFiled: December 5, 2022Date of Patent: March 19, 2024Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.Inventors: Ajay Jaysingh Khopade, Arindam Halder
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Publication number: 20240082161Abstract: 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: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITEDInventors: Malay SHAH, Bhushan BOROLE, Ravi PATEL, Ajay Jaysingh KHOPADE
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Patent number: 11890375Abstract: 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: GrantFiled: July 28, 2021Date of Patent: February 6, 2024Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITEDInventors: Ajay Jaysingh Khopade, Arindam Halder, Ankit Shaileshkumar Shah
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Publication number: 20240000802Abstract: 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: ApplicationFiled: December 3, 2021Publication date: January 4, 2024Inventors: Ajay Jaysingh KHOPADE, Arindam HALDER
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Patent number: 11857683Abstract: 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: GrantFiled: April 7, 2022Date of Patent: January 2, 2024Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITEDInventors: Malay Shah, Bhushan Borole, Ravi Patel, Ajay Jaysingh Khopade
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Publication number: 20230364106Abstract: 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: ApplicationFiled: September 21, 2021Publication date: November 16, 2023Inventors: Samarth KUMAR, Milan Mohanbhai VASOYA, Devendra Pratap SINGH, Ajay Jaysingh KHOPADE, Subhas Balaram BHOWMICK
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Publication number: 20230098352Abstract: 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: ApplicationFiled: December 5, 2022Publication date: March 30, 2023Inventors: Ajay Jaysingh KHOPADE, Arindam HALDER
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Publication number: 20230031957Abstract: 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: ApplicationFiled: April 7, 2022Publication date: February 2, 2023Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITEDInventors: Malay SHAH, Bhushan BOROLE, Ravi PATEL, Ajay Jaysingh KHOPADE
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Patent number: 11559487Abstract: 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: GrantFiled: December 9, 2019Date of Patent: January 24, 2023Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITEDInventors: Ajay Jaysingh Khopade, Arindam Halder, Shivam Umeshkumar Upadhyay
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Patent number: 11241443Abstract: 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: GrantFiled: April 7, 2018Date of Patent: February 8, 2022Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.Inventors: Ajay Jaysingh Khopade, Arindam Halder
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Publication number: 20210353540Abstract: 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: ApplicationFiled: July 28, 2021Publication date: November 18, 2021Inventors: Ajay Jaysingh Khopade, Arindam Halder, Ankit Shaileshkumar Shah
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Publication number: 20210308130Abstract: 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: ApplicationFiled: June 17, 2021Publication date: October 7, 2021Inventors: Ajay Jaysingh Khopade, Arindam Halder
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Patent number: 11103451Abstract: 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: GrantFiled: October 15, 2016Date of Patent: August 31, 2021Assignee: Sun Pharma Advanced Research Company LimitedInventors: Ajay Jaysingh Khopade, Arindam Halder, Ankit Shaileshkumar Shah
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Patent number: 11058684Abstract: 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: GrantFiled: November 5, 2018Date of Patent: July 13, 2021Assignee: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITEDInventors: Ajay Jaysingh Khopade, Arindam Halder
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Patent number: 11000475Abstract: 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: GrantFiled: October 15, 2016Date of Patent: May 11, 2021Assignee: Sun Pharma Advanced Research Company LimitedInventors: Ajay Jaysingh Khopade, Arindam Halder, Ankit Shaileshkumar Shah
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Publication number: 20200170951Abstract: 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: ApplicationFiled: December 9, 2019Publication date: June 4, 2020Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITEDInventors: Ajay Jaysingh Khopade, Arindam Halder, Shivam Umeshkumar Upadhyay
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Publication number: 20200016169Abstract: 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: ApplicationFiled: April 7, 2018Publication date: January 16, 2020Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LIMITEDInventors: Ajay Jaysingh KHOPADE, Arindam HALDER
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Publication number: 20190105268Abstract: 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: ApplicationFiled: December 16, 2016Publication date: April 11, 2019Applicant: Sun Pharma Advanced Research Company LimitedInventors: Ajay Jaysingh Khopade, Arindam Halder, Vivek Patel