Patents Assigned to Rhodes Technologies
  • Publication number: 20240109907
    Abstract: The application is directed to an efficient process for crystallizing nalmefene hydrochloride in a hydrated form from an aqueous hydrochloric acid solution (or a mixture) with a high yield.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 4, 2024
    Applicant: RHODES TECHNOLOGIES
    Inventor: C. Frederick M. HUNTLEY
  • Patent number: 11845759
    Abstract: This invention relates to novel opioid derivatives of Formula I: or a pharmaceutically acceptable salt or solvate thereof, wherein R1, R3, R4 and Z are as defined herein in the disclosure. The invention also relates to the use of such compounds for the treatment or prevention of, for example, pain.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: December 19, 2023
    Assignee: RHODES TECHNOLOGIES
    Inventors: Ping Chang, Raymond Glowaky, Michael David Rogers
  • Publication number: 20230398073
    Abstract: 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: Application
    Filed: August 22, 2023
    Publication date: December 14, 2023
    Applicant: Rhodes Technologies
    Inventors: Ping CHANG, Zhenze Hu, Yuanyuan TAO
  • Publication number: 20230399334
    Abstract: The application is directed to a process of purifying noroxymorphone by preparing and isolating noroxymorphone bisulfite adduct and regenerating purified noroxymorphone from noroxymorphone bisulfite adduct. The application is also directed to a compound represented by the Formula I, described herein, or a hydrate or zwitterion thereof, and a crystalline form of noroxymorphone bisulfite adduct monohydrate.
    Type: Application
    Filed: November 2, 2021
    Publication date: December 14, 2023
    Applicant: RHODES TECHNOLOGIES
    Inventor: C. Frederick M. HUNTLEY
  • Publication number: 20230365578
    Abstract: 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: Application
    Filed: June 7, 2023
    Publication date: November 16, 2023
    Applicants: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes Technologies
    Inventors: Robert CHAPMAN, Lonn S. RIDER, Qi HONG, Donald KYLE, Robert KUPPER
  • Patent number: 11786463
    Abstract: 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: Grant
    Filed: August 10, 2018
    Date of Patent: October 17, 2023
    Assignee: Rhodes Technologies
    Inventors: Ping Chang, Zhenze Hu, Yuanyuan Tao
  • Patent number: 11773107
    Abstract: 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: Grant
    Filed: March 13, 2020
    Date of Patent: October 3, 2023
    Assignee: Rhodes Technologies
    Inventors: Robert J. Kupper, Raymond C. Glowaky
  • Patent number: 11731979
    Abstract: 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: Grant
    Filed: August 20, 2021
    Date of Patent: August 22, 2023
    Assignee: Rhodes Technologies
    Inventors: Robert J. Kupper, Raymond C. Glowaky
  • Publication number: 20230233635
    Abstract: The present invention provides pharmaceutical compositions and methods for use and manufacture thereof. The pharmaceutical compositions comprise a therapeutically effective amount of a cannabinoid or a pharmaceutically acceptable salt or solvate thereof and an amphiphilic copolymer comprising at least one hydrophilic component and at least one hydrophobic component. The cannabinoid is encapsulated in the amphiphilic copolymer, and the composition is suitable for intranasal or inhalation delivery.
    Type: Application
    Filed: May 26, 2021
    Publication date: July 27, 2023
    Applicants: RHODES TECHNOLOGIES, UNIVERSITY OF SOUTH FLORIDA
    Inventors: Chuanhai CAO, Ping CHANG
  • Publication number: 20230159548
    Abstract: 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: Application
    Filed: July 11, 2022
    Publication date: May 25, 2023
    Applicants: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes Technologies
    Inventors: Robert CHAPMAN, Lonn S. RIDER, Qi HONG, Donald KYLE, Robert KUPPER
  • Publication number: 20230130617
    Abstract: Compounds and compositions for use as starting materials or intermediate materials in the preparation of opioids including, e.g., oxymorphone base and/or an oxymorphone salt; processes for preparing these compounds and compositions; uses of these compounds and compositions in the preparation of APIs and pharmaceutical dosage forms; and uses of said APIs and pharma ceutical dosage forms in the treatment of medical conditions.
    Type: Application
    Filed: September 21, 2022
    Publication date: April 27, 2023
    Applicant: RHODES TECHNOLOGIES
    Inventors: Stuart James GEBBIE, Joshua R. GIGUERE, Keith MCCARTHY, Lonn S. RIDER
  • Patent number: 11390627
    Abstract: Compounds and compositions for use as starting materials or intermediate materials in the preparation of opioids including, e.g., oxycodone base and/or an oxycodone salt; processes for preparing these compounds and compositions; uses of these compounds and compositions in the preparation of APIs and pharmaceutical dosage forms; and uses of said APIs and pharmaceutical dosage forms in the treatment of medical conditions.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: July 19, 2022
    Assignee: RHODES TECHNOLOGIES
    Inventors: Stuart James Gebbie, Joshua R. Giguere, Keith Mccarthy, Lonn S. Rider
  • Patent number: 11384091
    Abstract: 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: Grant
    Filed: June 12, 2020
    Date of Patent: July 12, 2022
    Assignees: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes Technologies
    Inventors: Robert Chapman, Lonn S. Rider, Qi Hong, Donald Kyle, Robert Kupper
  • Publication number: 20220041612
    Abstract: 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: Application
    Filed: August 20, 2021
    Publication date: February 10, 2022
    Applicant: Rhodes Technologies
    Inventors: Robert J. KUPPER, Raymond C. GLOWAKY
  • Publication number: 20210299046
    Abstract: 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: Application
    Filed: August 10, 2018
    Publication date: September 30, 2021
    Applicant: Rhodes Technologies
    Inventors: Ping CHANG, Zhenze HU, Yuanyuan TAO
  • Patent number: 11130765
    Abstract: 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: Grant
    Filed: April 28, 2020
    Date of Patent: September 28, 2021
    Assignee: Rhodes Technologies
    Inventors: Robert J. Kupper, Raymond C. Glowaky
  • Patent number: 11091496
    Abstract: 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 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: Grant
    Filed: July 22, 2019
    Date of Patent: August 17, 2021
    Assignee: RHODES TECHNOLOGIES
    Inventors: Robert J. Kupper, Raymond C. Glowaky
  • Publication number: 20210236456
    Abstract: The present disclosure provides pharmaceutical compositions comprising a cannabinoid, and dosage forms comprising same, for oral delivery, such as sublingual or buccal delivery. The compositions of the present disclosure are substantially homogeneous and remain stable and monophasic upon storage. Also provided are methods of using the compositions for pain management and to treat various diseases and conditions, including dementia, sleep disorders, movement disorders, mental disorders, and multiple sclerosis.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 5, 2021
    Applicant: RHODES TECHNOLOGIES
    Inventors: Ping CHANG, Marc BROWN, Charles EVANS
  • Publication number: 20210198268
    Abstract: 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: Application
    Filed: March 15, 2021
    Publication date: July 1, 2021
    Applicants: Purdue Pharma L.P., Purdue Pharmaceuticals L.P., Rhodes Technologies
    Inventors: Robert CHAPMAN, Lonn S. RIDER, Qi HONG, Robert KUPPER, Donald J. KYLE
  • Patent number: 10988480
    Abstract: 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: Grant
    Filed: May 4, 2016
    Date of Patent: April 27, 2021
    Assignee: Rhodes Technologies
    Inventors: Robert J. Kupper, Raymond C. Glowaky