Patents by Inventor Vimal Kavuru
Vimal Kavuru 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: 12285420Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution substantially free of organic solvent, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: GrantFiled: June 28, 2024Date of Patent: April 29, 2025Assignee: ACASTI PHARMA U.S., INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Patent number: 12180142Abstract: A composition including a N-[4-[[4-(diethyl amino) phenyl](2,5-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethylethanaminium sodium salt, where the N-4-4-(diethylamino)phenyl (2,5-disulfophenyl)methylene-2,5-cyclohexadien-1-ylidene-N-ethylethanaminium sodium salt is at least 90% of the weight of such composition. A method of making the composition by a process including sulphonating 2-chlorobenzaldehyde, treatment with sodium sulphite and subsequent basification, a condensation step, an oxidation step and a purification step comprising utilizing HPLC to monitor the sulphonating step, the treatment step, the condensation step, and/or the oxidation step, to determine when one or more reactions of such sulphonating step, treatment step, condensation step, and/or oxidation step are substantially complete and ending such one or more reactions on the basis of the HPLC monitoring.Type: GrantFiled: February 22, 2024Date of Patent: December 31, 2024Assignee: Rising Pharma Holdings, Inc.Inventors: Vimal Kavuru, Kamalkishore Pati
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Publication number: 20240350473Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution substantially free of organic solvent, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: ApplicationFiled: June 28, 2024Publication date: October 24, 2024Applicant: ACASTI PHARMA U.S., INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Patent number: 12059415Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution substantially free of organic solvent, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: GrantFiled: November 10, 2021Date of Patent: August 13, 2024Assignee: ACASTI PHARMA U.S., INCInventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Publication number: 20240122901Abstract: Provided herein are aqueous pharmaceutical compositions of nitrofurantoin for oral administration containing nitrofurantoin as the active pharmaceutical ingredient and one more excipient selected from suspending agents, binders, preservatives, vehicles, sweetening agents, buffering agents and taste masking agents.Type: ApplicationFiled: October 11, 2022Publication date: April 18, 2024Inventor: Vimal KAVURU
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Patent number: 11857520Abstract: A nasal spray formulation and a method of using a locally acting sodium channel blocker to treat pain is disclosed, wherein the nasal spray formulation comprises from about 5% to about 30% w/v of a locally active sodium channel blocker, from about 0.25% to about 5% w/v of a buffering agent, and from about 5 to about 99% w/v of a pharmaceutically acceptable carrier for nasal administration. The nasal spray formulation is preferably contained in a mechanical multi-dose pump which sprays a unit dose of the nasal spray formulation with a wide plume and small droplet size, such that the unit dose is administered by actuating the mechanical multi-dose spray pump device and spraying a volume of the nasal spray formulation into each nostril of a human subject. Preferably, the nasal spray formulation does not include a preservative.Type: GrantFiled: December 4, 2019Date of Patent: January 2, 2024Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Publication number: 20230364068Abstract: A method of providing an IV nimodipine infusion regimen using a solubilized nimodipine solution suitable for IV administration is disclosed. The IV nimodipine infusion regimen provides a constant infusion rate over the (entire) 24 hour period supplemented with higher infusions of nimodipine at set intervals to duplicate the 24 hour AUC and Cmax of an oral nimodipine dose.Type: ApplicationFiled: May 10, 2023Publication date: November 16, 2023Applicant: ACASTI PHARMA U.S., INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Kamalkishore Pati, Vimal Kavuru
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Patent number: 11433062Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution, an organic solvent, an oil, or a cyclodextrin, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: GrantFiled: September 3, 2020Date of Patent: September 6, 2022Assignee: Acasti Pharma U.S., Inc.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru
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Publication number: 20220133642Abstract: A polymeric bio-adhesive film forming topical spray formulation providing a modified, pulsatile (e.g., biphasic) release of the active agent(s) once the solvent evaporates and the film sets, e.g., on human skin is disclosed. In certain embodiments, the active agent is bupivacaine hydrochloride.Type: ApplicationFiled: December 17, 2021Publication date: May 5, 2022Applicant: GRACE THERAPEUTICS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru
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Publication number: 20220133641Abstract: A polymeric bio-adhesive film forming topical spray formulation providing a modified, pulsatile (e.g., biphasic) release of the active agent(s) once the solvent evaporates and the film sets, e.g., on human skin is disclosed. In certain embodiments, the active agent is bupivacaine hydrochloride.Type: ApplicationFiled: December 17, 2021Publication date: May 5, 2022Applicant: GRACE THERAPEUTICS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru
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Patent number: 11291672Abstract: A stable oral spray formulation comprising a glucocorticoid together with other excipients is disclosed. In preferred embodiments, the spray formulation is used to treat neurological disorders such as ataxia by being sprayed in an effective dose into the mouth of a patient.Type: GrantFiled: January 12, 2017Date of Patent: April 5, 2022Assignee: GRACE THERAPEUTICS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru
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Publication number: 20220062256Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution substantially free of organic solvent, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: ApplicationFiled: November 10, 2021Publication date: March 3, 2022Applicant: GRACE THERAPEUTICS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Publication number: 20200397773Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution, an organic solvent, an oil, or a cyclodextrin, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: ApplicationFiled: September 3, 2020Publication date: December 24, 2020Applicant: NORTIC HOLDINGS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru
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Publication number: 20200397769Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution, an organic solvent, an oil, or a cyclodextrin, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: ApplicationFiled: September 8, 2020Publication date: December 24, 2020Applicant: NORTIC HOLDINGS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Patent number: 10799486Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution, an organic solvent, an oil, or a cyclodextrin, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: GrantFiled: July 26, 2018Date of Patent: October 13, 2020Assignee: NORTIC HOLDINGS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Patent number: 10765671Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution, an organic solvent, an oil, or a cyclodextrin, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: GrantFiled: July 26, 2018Date of Patent: September 8, 2020Assignee: NORTIC HOLDINGS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru
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Publication number: 20200197338Abstract: A nasal spray formulation and a method of using a locally acting sodium channel blocker to treat pain is disclosed, wherein the nasal spray formulation comprises from about 5% to about 30% w/v of a locally active sodium channel blocker, from about 0.25% to about 5% w/v of a buffering agent, and from about 5 to about 99% w/v of a pharmaceutically acceptable carrier for nasal administration. The nasal spray formulation is preferably contained in a mechanical multi-dose pump which sprays a unit dose of the nasal spray formulation with a wide plume and small droplet size, such that the unit dose is administered by actuating the mechanical multi-dose spray pump device and spraying a volume of the nasal spray formulation into each nostril of a human subject. Preferably, the nasal spray formulation does not include a preservative.Type: ApplicationFiled: December 4, 2019Publication date: June 25, 2020Applicant: Nortic Holdings Inc.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Publication number: 20200163947Abstract: A method of treating a human patient suffering from subarachnoid hemorrhage (SAH), intra-cerebral hemorrhage, and traumatic brain injuries (TBI), and the like, comprising administering a nimodipine formulation suitable for parenteral injection, e.g., either via the subcutaneous or intramuscular route, is disclosed.Type: ApplicationFiled: October 31, 2019Publication date: May 28, 2020Applicant: Nortic Holdings Inc.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Publication number: 20190255033Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution substantially free of organic solvent, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: ApplicationFiled: February 21, 2019Publication date: August 22, 2019Applicant: NORTIC HOLDINGS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru, Kamalkishore Pati
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Publication number: 20180325886Abstract: A nimodipine injection concentrate and diluted formulation comprises nimodipine (base or salt), an effective amount of a hydrophilic surfactant, and a pharmaceutically acceptable carrier for injection which is an aqueous solution, an organic solvent, an oil, or a cyclodextrin, such that the nimodipine is substantially contained in a concentrated injection solution, suspension, emulsion or complex as a micelle or a colloidal particle or an inclusion complex and the formulation is stable and clear. In certain embodiments, the hydrophilic surfactant is polysorbate 80.Type: ApplicationFiled: July 26, 2018Publication date: November 15, 2018Applicant: NORTIC HOLDINGS INC.Inventors: S. George Kottayil, Amresh Kumar, Prasanna Sunthankar, Vimal Kavuru