Patents by Inventor Ronald L. Leech

Ronald L. Leech 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).

  • Publication number: 20230330044
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Application
    Filed: June 23, 2023
    Publication date: October 19, 2023
    Inventor: Ronald L. Leech, JR.
  • Patent number: 11723885
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: August 15, 2023
    Assignee: Acura Pharmaceuticals, Inc.
    Inventor: Ronald L. Leech, Jr.
  • Publication number: 20220062202
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Application
    Filed: November 8, 2021
    Publication date: March 3, 2022
    Applicant: Acura Pharmaceuticals, Inc.
    Inventor: Ronald L. Leech
  • Patent number: 11197837
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: December 14, 2021
    Assignee: ACURA PHARMACEUTICALS, INC.
    Inventor: Ronald L. Leech, Jr.
  • Publication number: 20200188334
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Application
    Filed: February 27, 2020
    Publication date: June 18, 2020
    Applicant: ACURA PHARMACEUTICALS, INC.
    Inventor: Ronald L. LEECH, JR.
  • Patent number: 10610497
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: April 7, 2020
    Assignee: ACURA PHARMACEUTICALS, INC.
    Inventor: Ronald L. Leech, Jr.
  • Patent number: 10155044
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse comprising at least 10% by weight hydroxypropylcellulose; polyethylene oxide; and a disintegrant selected from the group consisting of crospovidone, sodium starch glycolate and croscarmellose sodium; wherein the ratio of hydroxypropylcellulose to polyethylene oxide on a weight basis is between about 10:1 and 1:10.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: December 18, 2018
    Assignee: Acura Pharmaceuticals, Inc.
    Inventors: Ronald L. Leech, Rachelle L. Hall Yung, Albert W. Brzeczko
  • Publication number: 20180263933
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Applicant: Acura Pharmaceuticals, Inc.
    Inventor: Ronald L. Leech, JR.
  • Patent number: 10004699
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: June 26, 2018
    Assignee: Acura Pharmaceuticals, Inc.
    Inventor: Ronald L. Leech, Jr.
  • Patent number: 9757466
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse comprising at least 10% by weight hydroxypropylcellulose; polyethylene oxide; and a disintegrant selected from the group consisting of crospovidone, sodium starch glycolate and croscarmellose sodium; wherein the ratio of hydroxypropylcellulose to polyethylene oxide on a weight basis is between about 10:1 and 1:10.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: September 12, 2017
    Assignee: ACURA PHARMACEUTICALS, INC.
    Inventors: Ronald L. Leech, Rachelle L. Hall Yung, Albert W. Brzeczko
  • Publication number: 20170143635
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse comprising at least 10% by weight hydroxypropylcellulose; polyethylene oxide; and a disintegrant selected from the group consisting of crospovidone, sodium starch glycolate and croscarmellose sodium; wherein the ratio of hydroxypropylcellulose to polyethylene oxide on a weight basis is between about 10:1 and 1:10.
    Type: Application
    Filed: February 7, 2017
    Publication date: May 25, 2017
    Applicant: Acura Pharmaceuticals, Inc.
    Inventors: Ronald L. Leech, Rachelle L. Hall Yung, Albert W. Brzeczko
  • Publication number: 20150352061
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse.
    Type: Application
    Filed: June 9, 2015
    Publication date: December 10, 2015
    Applicant: Acura Pharmaceuticals, Inc.
    Inventor: Ronald L. Leech, JR.
  • Publication number: 20150080384
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse comprising at least 10% by weight hydroxypropylcellulose; polyethylene oxide; and a disintegrant selected from the group consisting of crospovidone, sodium starch glycolate and croscarmellose sodium; wherein the ratio of hydroxypropylcellulose to polyethylene oxide on a weight basis is between about 10:1 and 1:10.
    Type: Application
    Filed: November 24, 2014
    Publication date: March 19, 2015
    Applicant: ACURA PHARMACEUTICALS, INC.
    Inventors: Ronald L. LEECH, Rachelle L. HALL YUNG, Albert W. BRZECZKO
  • Patent number: 8901113
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse comprising at least 10% by weight hydroxypropylcellulose; polyethylene oxide; and a disintegrant selected from the group consisting of crospovidone, sodium starch glycolate and croscarmellose sodium; wherein the ratio of hydroxypropylcellulose to polyethylene oxide on a weight basis is between about 10:1 and 1:10.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: December 2, 2014
    Assignee: Acura Pharmaceuticals, Inc.
    Inventors: Ronald L. Leech, Rachelle L. Hall Yung, Albert W. Brzeczko
  • Publication number: 20140034885
    Abstract: Methods and compositions for stabilizing methamphetamine laboratories, such as by mitigating their explosive potential.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 6, 2014
    Applicant: Acura Pharmaceuticals, Inc.
    Inventor: Ronald L. Leech
  • Publication number: 20130005823
    Abstract: This invention relates to an abuse deterrent formulation of an oral dosage form of a therapeutically effective amount of any active drug substance that can be subject to abuse combined with a gel forming polymer, a nasal mucosal irritating surfactant and a flushing agent. Such a dosage form is intended to deter abuse of the active drug substance via injection, nasal inhalation or consumption of quantities of the dosage unit exceeding the usual therapeutically effective dose.
    Type: Application
    Filed: August 31, 2012
    Publication date: January 3, 2013
    Applicant: ACURA PHARMACEUTICALS, INC.
    Inventors: James F. EMIGH, Ronald L. LEECH, JR., Andrew D. REDDICK, Ron J. SPIVEY
  • Publication number: 20120202839
    Abstract: This invention relates to an abuse deterrent formulation of an oral dosage form of a therapeutically effective amount of any active drug substance that can be subject to abuse combined with a gel forming polymer, a nasal mucosal irritating surfactant and a flushing agent. Such a dosage form is intended to deter abuse of the active drug substance via injection, nasal inhalation or consumption of quantities of the dosage unit exceeding the usual therapeutically effective dose.
    Type: Application
    Filed: April 18, 2012
    Publication date: August 9, 2012
    Applicant: ACURA PHARMACEUTICALS, INC.
    Inventors: James F. EMIGH, Ronald L. LEECH, JR., Andrew D. REDDICK, Ron J. SPIVEY
  • Publication number: 20110077238
    Abstract: Effective methods and compositions to deter abuse of pharmaceutical products (e.g., orally administered pharmaceutical products) including but not limited to immediate release, sustained or extended release and delayed release formulations for drugs subject to abuse comprising at least 10% by weight hydroxypropylcellulose; polyethylene oxide; and a disintegrant selected from the group consisting of crospovidone, sodium starch glycolate and croscarmellose sodium; wherein the ratio of hydroxypropylcellulose to polyethylene oxide on a weight basis is between about 10:1 and 1:10.
    Type: Application
    Filed: September 29, 2010
    Publication date: March 31, 2011
    Applicant: ACURA PHARMACEUTICALS, INC.
    Inventors: Ronald L. LEECH, Rachelle L. HALL YUNG, Albert W. BRZECZKO
  • Publication number: 20080152595
    Abstract: This invention relates to an abuse deterrent formulation of an oral dosage form of a therapeutically effective amount of any active drug substance that can be subject to abuse combined with a gel forming polymer, a nasal mucosal irritating surfactant and a flushing agent. Such a dosage form is intended to deter abuse of the active drug substance via injection, nasal inhalation or consumption of quantities of the dosage unit exceeding the usual therapeutically effective dose.
    Type: Application
    Filed: December 12, 2007
    Publication date: June 26, 2008
    Inventors: James F. Emigh, Ronald L. Leech, Andrew D. Reddick, Ron J. Spivey