Patents Assigned to Rhodes Technologies
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Patent number: 12060361Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.Type: GrantFiled: June 7, 2023Date of Patent: August 13, 2024Assignees: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes TechnologiesInventors: Robert Chapman, Lonn S. Rider, Qi Hong, Donald Kyle, Robert Kupper
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Publication number: 20230398073Abstract: The invention provides emulsion compositions comprising at least one cannabinoid compound, and methods for making the same. The emulsion compositions are stable, well tolerated and are capable of delivering therapeutically effective amounts of cannabiniods to target sites, including sites on the surface of and/or within an eye. Also provided are methods of using the compositions to provide ocular neuroprotection and/or to treat ophthalmic conditions such as glaucoma.Type: ApplicationFiled: August 22, 2023Publication date: December 14, 2023Applicant: Rhodes TechnologiesInventors: Ping CHANG, Zhenze Hu, Yuanyuan TAO
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Publication number: 20230365578Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.Type: ApplicationFiled: June 7, 2023Publication date: November 16, 2023Applicants: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes TechnologiesInventors: Robert CHAPMAN, Lonn S. RIDER, Qi HONG, Donald KYLE, Robert KUPPER
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Patent number: 11786463Abstract: The invention provides emulsion compositions comprising at least one cannabinoid compound, and methods for making the same. The emulsion compositions are stable, well tolerated and are capable of delivering therapeutically effective amounts of cannabiniods to target sites, including sites on the surface of and/or within an eye. Also provided are methods of using the compositions to provide ocular neuroprotection and/or to treat ophthalmic conditions such as glaucoma.Type: GrantFiled: August 10, 2018Date of Patent: October 17, 2023Assignee: Rhodes TechnologiesInventors: Ping Chang, Zhenze Hu, Yuanyuan Tao
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Patent number: 11773107Abstract: This invention relates to opioid ketal compounds of Formula (I), Formula (II), or Formula (III): or a pharmaceutically acceptable salts thereof, wherein R1 is H or CH3, R2 is H or OH, n is 0, 1, 2 or 3, R3 and R4 are independently H or optionally substituted C1-C4 alkyl, or when n is 0, then R3 and R4 and the carbon atoms to which they are attached together form six, or seven membered ring, which is optionally mono or disubstituted by C1-C4 alkyl. The invention also relates to oxycodone ketal compounds of Formula (IV) or (V): or a pharmaceutically acceptable salts thereof. The invention also relates to the use of such compounds for the treatment, prevention, or amelioration of pain.Type: GrantFiled: March 13, 2020Date of Patent: October 3, 2023Assignee: Rhodes TechnologiesInventors: Robert J. Kupper, Raymond C. Glowaky
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Patent number: 11731979Abstract: This invention relates to opioid ketal compounds of Formula (I), Formula (II), or Formula (III): or a pharmaceutically acceptable salts thereof, wherein R1 is H or CH3, R2 is H or OH, n is 0, 1, 2 or 3, R3 and R4 are independently H or optionally substituted C1-C4 alkyl, or when n is 0, then R3 and R4 and the carbon atoms to which they are attached together form six, or seven membered ring, which is optionally mono or disubstituted by C1-C4 alkyl. The invention also relates to oxycodone ketal compounds of Formula (IV) or (V): or a pharmaceutically acceptable salts thereof. The invention also relates to the use of such compounds for the treatment, prevention, or amelioration of pain.Type: GrantFiled: August 20, 2021Date of Patent: August 22, 2023Assignee: Rhodes TechnologiesInventors: Robert J. Kupper, Raymond C. Glowaky
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Publication number: 20230159548Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.Type: ApplicationFiled: July 11, 2022Publication date: May 25, 2023Applicants: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes TechnologiesInventors: Robert CHAPMAN, Lonn S. RIDER, Qi HONG, Donald KYLE, Robert KUPPER
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Patent number: 11384091Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.Type: GrantFiled: June 12, 2020Date of Patent: July 12, 2022Assignees: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes TechnologiesInventors: Robert Chapman, Lonn S. Rider, Qi Hong, Donald Kyle, Robert Kupper
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Publication number: 20220041612Abstract: This invention relates to opioid ketal compounds of Formula (I), Formula (II), or Formula (III): or a pharmaceutically acceptable salts thereof, wherein R1 is H or CH3, R2 is H or OH, n is 0, 1, 2 or 3, R3 and R4 are independently H or optionally substituted C1-C4 alkyl, or when n is 0, then R3 and R4 and the carbon atoms to which they are attached together form six, or seven membered ring, which is optionally mono or disubstituted by C1-C4 alkyl. The invention also relates to oxycodone ketal compounds of Formula (IV) or (V): or a pharmaceutically acceptable salts thereof. The invention also relates to the use of such compounds for the treatment, prevention, or amelioration of pain.Type: ApplicationFiled: August 20, 2021Publication date: February 10, 2022Applicant: Rhodes TechnologiesInventors: Robert J. KUPPER, Raymond C. GLOWAKY
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Publication number: 20210299046Abstract: The invention provides emulsion compositions comprising at least one cannabinoid compound, and methods for making the same. The emulsion compositions are stable, well tolerated and are capable of delivering therapeutically effective amounts of cannabiniods to target sites, including sites on the surface of and/or within an eye. Also provided are methods of using the compositions to provide ocular neuroprotection and/or to treat ophthalmic conditions such as glaucoma.Type: ApplicationFiled: August 10, 2018Publication date: September 30, 2021Applicant: Rhodes TechnologiesInventors: Ping CHANG, Zhenze HU, Yuanyuan TAO
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Patent number: 11130765Abstract: This invention relates to opioid ketal compounds of Formula (I), Formula (II), or Formula (III): or a pharmaceutically acceptable salts thereof, wherein R1 is H or CH3, R2 is H or OH, n is 0, 1, 2 or 3, R3 and R4 are independently H or optionally substituted C1-C4 alkyl, or when n is 0, then R3 and R4 and the carbon atoms to which they are attached together form six, or seven membered ring, which is optionally mono or disubstituted by C1-C4 alkyl. The invention also relates to oxycodone ketal compounds of Formula (IV) or (V): or a pharmaceutically acceptable salts thereof. The invention also relates to the use of such compounds for the treatment, prevention, or amelioration of pain.Type: GrantFiled: April 28, 2020Date of Patent: September 28, 2021Assignee: Rhodes TechnologiesInventors: Robert J. Kupper, Raymond C. Glowaky
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Publication number: 20210198268Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.Type: ApplicationFiled: March 15, 2021Publication date: July 1, 2021Applicants: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes TechnologiesInventors: Robert CHAPMAN, Lonn S. RIDER, Qi HONG, Robert KUPPER, Donald J. KYLE
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Patent number: 10988480Abstract: This invention relates to opioid ketal compounds of Formula (I), Formula (II), or Formula (III): or a pharmaceutically acceptable salts thereof, wherein R1 is H or CH3, R2 is H or OH, n is 0, 1, 2 or 3, R3 and R4 are independently H or optionally substituted C1-C4 alkyl, or when n is 0, then R3 and R4 and the carbon atoms to which they are attached together form six, or seven membered ring, which is optionally mono or disubstituted by C1-C4 alkyl. The invention also relates to oxycodone ketal compounds of Formula (IV) or (V): or a pharmaceutically acceptable salts thereof. The invention also relates to the use of such compounds for the treatment, prevention, or amelioration of pain.Type: GrantFiled: May 4, 2016Date of Patent: April 27, 2021Assignee: Rhodes TechnologiesInventors: Robert J. Kupper, Raymond C. Glowaky
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Publication number: 20210094963Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.Type: ApplicationFiled: June 12, 2020Publication date: April 1, 2021Applicants: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes TechnologiesInventors: Robert CHAPMAN, Lonn S. RIDER, Qi HONG, Donald KYLE, Robert KUPPER
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Publication number: 20210046066Abstract: The present disclosure provides acetate salts of buprenorphine, and its anhydrates, solvates, hydrates, and crystalline forms thereof, where the acetate salts of buprenorphine are essentially free of impurities. The disclosure further provides method of preparing the acetate salts, buprenorphine free base prepared from the acetate salts, other salts prepared from the free base, and pharmaceutical compositions thereof essentially free of impurities.Type: ApplicationFiled: October 29, 2020Publication date: February 18, 2021Applicant: Rhodes TechnologiesInventors: C. Frederick M. HUNTLEY, Erik Wayne KATAISTO, Helge Alfred REISCH, Archana SHARMA
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Patent number: 10874662Abstract: The present disclosure provides acetate salts of buprenorphine, and its anhydrates, solvates, hydrates, and crystalline forms thereof, where the acetate salts of buprenorphine are essentially free of impurities. The disclosure further provides method of preparing the acetate salts, buprenorphine free base prepared from the acetate salts, other salts prepared from the free base, and pharmaceutical compositions thereof essentially free of impurities.Type: GrantFiled: June 19, 2019Date of Patent: December 29, 2020Assignee: Rhodes TechnologiesInventors: C. Frederick Huntley, Erik Wayne Kataisto, Helge Alfred Reisch, Archana Sharma
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Patent number: 10835528Abstract: The present disclosure provides acetate salts of buprenorphine, and its anhydrates, solvates, hydrates, and crystalline forms thereof, where the acetate salts of buprenorphine are essentially free of impurities. The disclosure further provides method of preparing the acetate salts, buprenorphine free base prepared from the acetate salts, other salts prepared from the free base, and pharmaceutical compositions thereof essentially free of impurities.Type: GrantFiled: June 19, 2019Date of Patent: November 17, 2020Assignee: Rhodes TechnologiesInventors: C. Frederick M. Huntley, Erik Wayne Kataisto, Helge Alfred Reisch, Archana Sharma
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Publication number: 20200325146Abstract: This invention relates to opioid ketal compounds of Formula (I), Formula (II), or Formula (III): or a pharmaceutically acceptable salts thereof, wherein R1 is H or CH3, R2 is H or OH, n is 0, 1, 2 or 3, R3 and R4 are independently H or optionally substituted C1-C4 alkyl, or when n is 0, then R3 and R4 and the carbon atoms to which they are attached together form six, or seven membered ring, which is optionally mono or disubstituted by C1-C4 alkyl. The invention also relates to oxycodone ketal compounds of Formula (IV) or (V): or a pharmaceutically acceptable salts thereof. The invention also relates to the use of such compounds for the treatment, prevention, or amelioration of pain.Type: ApplicationFiled: April 28, 2020Publication date: October 15, 2020Applicant: Rhodes TechnologiesInventors: Robert J. KUPPER, Raymond C. GLOWAKY
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Publication number: 20200317684Abstract: This invention relates to opioid ketal compounds of Formula (I), Formula (II), or Formula (III): or a pharmaceutically acceptable salts thereof, wherein R1 is H or CH3, R2 is H or OH, n is 0, 1, 2 or 3, R3 and R4 are independently H or optionally substituted C1-C4 alkyl, or when n is 0, then R3 and R4 and the carbon atoms to which they are attached together form six, or seven membered ring, which is optionally mono or disubstituted by C1-C4 alkyl. The invention also relates to oxycodone ketal compounds of Formula (IV) or (V): or a pharmaceutically acceptable salts thereof. The invention also relates to the use of such compounds for the treatment, prevention, or amelioration of pain.Type: ApplicationFiled: March 13, 2020Publication date: October 8, 2020Applicant: Rhodes TechnologiesInventors: Robert J. KUPPER, Raymond C. GLOWAKY
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Publication number: 20200223859Abstract: The disclosure relates to processes for reducing the amount of a compound of formula (I) or a salt or a solvate thereof present in a composition comprising compounds of formulae (I) and (II) or a salt or a solvate thereof.Type: ApplicationFiled: September 20, 2019Publication date: July 16, 2020Applicant: Rhodes TechnologiesInventors: Keith Edward MCCARTHY, Helge Alfred REISCH, Christopher SPROUT