Patents Assigned to Rhodes Technologies
  • Patent number: 12060361
    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 7, 2023
    Date of Patent: August 13, 2024
    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: 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: 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: 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
  • 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
  • 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
  • Publication number: 20210094963
    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 12, 2020
    Publication date: April 1, 2021
    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: 20210046066
    Abstract: 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: Application
    Filed: October 29, 2020
    Publication date: February 18, 2021
    Applicant: Rhodes Technologies
    Inventors: C. Frederick M. HUNTLEY, Erik Wayne KATAISTO, Helge Alfred REISCH, Archana SHARMA
  • Patent number: 10874662
    Abstract: 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: Grant
    Filed: June 19, 2019
    Date of Patent: December 29, 2020
    Assignee: Rhodes Technologies
    Inventors: C. Frederick Huntley, Erik Wayne Kataisto, Helge Alfred Reisch, Archana Sharma
  • Patent number: 10835528
    Abstract: 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: Grant
    Filed: June 19, 2019
    Date of Patent: November 17, 2020
    Assignee: Rhodes Technologies
    Inventors: C. Frederick M. Huntley, Erik Wayne Kataisto, Helge Alfred Reisch, Archana Sharma
  • Publication number: 20200325146
    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: April 28, 2020
    Publication date: October 15, 2020
    Applicant: Rhodes Technologies
    Inventors: Robert J. KUPPER, Raymond C. GLOWAKY
  • Publication number: 20200317684
    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: March 13, 2020
    Publication date: October 8, 2020
    Applicant: Rhodes Technologies
    Inventors: Robert J. KUPPER, Raymond C. GLOWAKY
  • Publication number: 20200223859
    Abstract: 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: Application
    Filed: September 20, 2019
    Publication date: July 16, 2020
    Applicant: Rhodes Technologies
    Inventors: Keith Edward MCCARTHY, Helge Alfred REISCH, Christopher SPROUT