Patents by Inventor Robert J. Kupper

Robert J. Kupper 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).

  • 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: 20230218534
    Abstract: Disclosed in certain embodiments is a system and method of providing a dronabinol oral solid dosage form with increased stability.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 13, 2023
    Inventor: Robert J. Kupper
  • Patent number: 11571392
    Abstract: Disclosed in certain embodiments is a system and method of providing a dronabinol oral solid dosage form with increased stability.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: February 7, 2023
    Assignee: Rhodes Pharmaceuticals L.P.
    Inventor: Robert J. 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: 20220031693
    Abstract: Disclosed in certain embodiments is an immediate release solid oral dosage form comprising a plurality of particles, each particle comprising: (i) a core comprising a first active agent; (ii) a coating comprising a second active agent layered over the core; and (iii) a material that is sensitive to acidic pH layered over the coated core; wherein the dosage form releases at least about 70% of the second active agent within 45 minutes as measured by in-vitro dissolution in a USP Apparatus 2 (paddle) at 50 rpm in 500 ml 0.1 N HCl at 37° C.
    Type: Application
    Filed: October 14, 2021
    Publication date: February 3, 2022
    Inventors: Akwete L. Adjei, Sibao Chen, Robert J. Kupper, Vincent Mancinelli
  • Patent number: 11173155
    Abstract: Disclosed in certain embodiments is an immediate release solid oral dosage form comprising a plurality of particles, each particle comprising: (i) a core comprising a first active agent; (ii) a coating comprising a second active agent layered over the core; and (iii) a material that is sensitive to acidic pH layered over the coated core; wherein the dosage form releases at least about 70% of the second active agent within 45 minutes as measured by in-vitro dissolution in a USP Apparatus 2 (paddle) at 50 rpm in 500 ml 0.1 N HCl at 37° C.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: November 16, 2021
    Assignee: Rhodes Pharmaeuticals, L.P.
    Inventors: Akwete L. Adjei, Sibao Chen, Robert J. Kupper, Vincent Mancinelli
  • 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
  • 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: 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: 20200237675
    Abstract: Disclosed in certain embodiments is a system and method of providing a dronabinol oral solid dosage form with increased stability.
    Type: Application
    Filed: March 23, 2020
    Publication date: July 30, 2020
    Inventor: Robert J. 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: 20160264589
    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: May 4, 2016
    Publication date: September 15, 2016
    Applicant: Rhodes Technologies
    Inventors: Robert J. KUPPER, Raymond C. GLOWAKY
  • Publication number: 20160244459
    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: May 23, 2014
    Publication date: August 25, 2016
    Applicant: RHODES TECHNOLOGIES
    Inventors: Robert J. KUPPER, Raymond C. GLOWAKY
  • Publication number: 20150238428
    Abstract: Disclosed in certain embodiments is a system and method of providing a dronabinol oral solid dosage form with increased stability.
    Type: Application
    Filed: August 20, 2013
    Publication date: August 27, 2015
    Inventor: Robert J. Kupper
  • Publication number: 20150030677
    Abstract: Disclosed is an immediate release solid oral dosage form comprising (i) an active agent; and (ii) a material that is sensitive to acidic pH;
    Type: Application
    Filed: March 1, 2013
    Publication date: January 29, 2015
    Applicant: Rhodes Pharmaeuticals L.P.
    Inventors: Akwete L. Adjei, Sibao Chen, Robert J. Kupper, Vincent Mancinelli
  • Patent number: 7939543
    Abstract: The present invention is directed to a process for reducing the level of ?, ?-unsaturated ketone in an opioid analgesic composition by hydrogenation the opioid analgesic composition with diimide or a diimide progenitor.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: May 10, 2011
    Assignee: Purdue Pharma L.P.
    Inventor: Robert J. Kupper