Patents Assigned to Rhodes Technologies
  • Publication number: 20210094964
    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: Application
    Filed: September 8, 2020
    Publication date: April 1, 2021
    Applicant: RHODES TECHNOLOGIES
    Inventors: Stuart James GEBBIE, Joshua R. GIGUERE, Keith MCCARTHY, Lonn S. RIDER
  • 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: 20210061815
    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: Application
    Filed: February 22, 2019
    Publication date: March 4, 2021
    Applicant: RHODES TECHNOLOGIES
    Inventors: Ping CHANG, Raymond GLOWAKY, Michael David ROGERS
  • 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: 10844072
    Abstract: Processes for preparing oxycodone are provided. Said processes encompass a step which is a hydrogenation of an 14-hydroxycodeinone salt in the presence of trifluoroacetic acid and/or a glycol.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: November 24, 2020
    Assignee: RHODES TECHNOLOGIES
    Inventors: Joshua Robert Giguere, Keith Edward McCarthy, Marcel Schleusner
  • 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
  • Patent number: 10696684
    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: November 20, 2019
    Date of Patent: June 30, 2020
    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: 20200199134
    Abstract: Processes for preparing oxycodone are provided. Said processes encompass a step which is a hydrogenation of an 14-hydroxycodeinone salt in the presence of trifluoroacetic acid and/or a glycol.
    Type: Application
    Filed: July 31, 2019
    Publication date: June 25, 2020
    Applicant: RHODES TECHNOLOGIES
    Inventors: Joshua Robert GIGUERE, Keith Edward MCCARTHY, Marcel SCHLEUSNER
  • Patent number: 10689389
    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: August 30, 2019
    Date of Patent: June 23, 2020
    Assignees: PURDUE PHARMA L.P., PURDUE PHARMACEUTICALS L.P., RHODES TECHNOLOGIES
    Inventors: Robert Chapman, Lonn S. Rider, Qi Hong, Donald Kyle, Robert Kupper
  • Patent number: 10624859
    Abstract: Disclosed in certain embodiments is a system and method of providing a dronabinol oral solid dosage form with increased stability.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: April 21, 2020
    Assignee: Rhodes Technologies
    Inventor: Robert J. Kupper
  • Publication number: 20200048269
    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: Application
    Filed: July 22, 2019
    Publication date: February 13, 2020
    Applicant: RHODES TECHNOLOGIES
    Inventors: Robert J. KUPPER, Raymond C. GLOWAKY
  • Publication number: 20190367526
    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 pharmaceutical dosage forms in the treatment of medical conditions.
    Type: Application
    Filed: April 17, 2019
    Publication date: December 5, 2019
    Applicant: RHODES TECHNOLOGIES
    Inventors: Stuart James Gebbie, Joshua R. Giguere, Keith McCarthy, Lonn S. Rider
  • Publication number: 20190314364
    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: June 19, 2019
    Publication date: October 17, 2019
    Applicant: Rhodes Technologies
    Inventors: C. Frederick M. HUNTLEY, Erik Wayne KATAISTO, Helge Alfred REISCH, Archana SHARMA
  • Publication number: 20190308986
    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: Application
    Filed: February 8, 2019
    Publication date: October 10, 2019
    Applicant: RHODES TECHNOLOGIES
    Inventors: Stuart James GEBBIE, Joshua R. Giguere, Keith McCarthy, Lonn S. Rider
  • Publication number: 20190298713
    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: June 19, 2019
    Publication date: October 3, 2019
    Applicant: Rhodes Technologies
    Inventors: C. Frederick M. HUNTLEY, Erik Wayne KATAISTO, Helge Alfred REISCH, Archana SHARMA
  • Patent number: 10428079
    Abstract: Processes for preparing oxycodone are provided. Said processes encompass a step which is a hydrogenation of an 14-hydroxycodeinone salt in the presence of trifluoroacetic acid and/or a glycol.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: October 1, 2019
    Assignee: RHODES TECHNOLOGIES
    Inventors: Joshua Robert Giguere, Keith Edward McCarthy, Marcel Schleusner