Patents by Inventor Saroop Matharu

Saroop Matharu 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: 10649669
    Abstract: Improved processes for making opioid products having low impurity levels including making 14-hydroxycodeinone and 14-hydroxymorphinone from thebaine and oripavine, respectively.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: May 12, 2020
    Assignee: Johson Matthey Public Limited Company
    Inventors: Saroop Matharu, Brian Heinrich, Ewart Grant, Hongzhi Zhang
  • Publication number: 20190310778
    Abstract: Improved processes for making opioid products having low impurity levels including making 14-hydroxycodeinone and 14-hydroxymorphinone from thebaine and oripavine, respectively.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 10, 2019
    Inventors: Saroop MATHARU, Brian HEINRICH, Ewart GRANT, Hongzhi ZHANG
  • Publication number: 20190225622
    Abstract: The present invention provides a process for preparing an oxymorphone acid adduct, said process comprising hydrogenating an aqueous solution of 14-hydroxymorphinone and an acid to form a solution of the oxymorphone acid adduct, wherein the hydrogenation is carried out at one or more temperatures greater than 40° C. in the presence of a hydrogenation catalyst and hydrogen gas, wherein the level of 6?-oxymorphol produced is ?3.00 area % as determined by HPLC.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 25, 2019
    Applicant: Johnson Matthey Public Limited Company
    Inventors: Ewart GRANT, Brian HEINRICH, Saroop MATHARU, Nicholas ARCHER
  • Publication number: 20190187914
    Abstract: Improved processes for making opioid products having low impurity levels including making 14-hydroxycodeinone and 14-hydroxymorphinone from thebaine and oripavine, respectively.
    Type: Application
    Filed: December 19, 2017
    Publication date: June 20, 2019
    Inventors: Saroop MATHARU, Brian HEINRICH, Ewart GRANT, Hongzhi ZHANG
  • Patent number: 10324632
    Abstract: Improved processes for making opioid products having low impurity levels including making 14-hydroxycodeinone and 14-hydroxymorphinone from thebaine and oripavine, respectively.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 18, 2019
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Saroop Matharu, Brian Heinrich, Ewart Grant, Hongzhi Zhang
  • Publication number: 20180107407
    Abstract: Improved processes for making opioid products having low impurity levels including making 14-hydroxycodeinone and 14-hydroxymorphinone from thebaine and oripavine, respectively.
    Type: Application
    Filed: December 19, 2017
    Publication date: April 19, 2018
    Inventors: Saroop MATHARU, Brian HEINRICH, Ewart GRANT, Hongzhi ZHANG
  • Patent number: 9918979
    Abstract: An improved method for the preparation of the low ABUK oxymorphone hydrochloride is provided. The oxymorphone hydrochloride is produced by hydrogenating a starting material comprising oxymorphone base and 14-hydroxymorphinone in a mixture comprising an alcohol, water and an acid, removing some of the water and adding more alcohol to the mixture.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: March 20, 2018
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Saroop Matharu, Brian Heinrich, Aniruddh Singh, Mahmoud Mirmehrabi
  • Publication number: 20160220560
    Abstract: An improved method for the preparation of the low ABUK oxymorphone hydrochloride is provided. The oxymorphone hydrochloride is produced by hydrogenating a starting material comprising oxymorphone base and 14-hydroxymorphinone in a mixture comprising an alcohol, water and an acid, removing some of the water and adding more alcohol to the mixture.
    Type: Application
    Filed: January 29, 2015
    Publication date: August 4, 2016
    Inventors: Saroop Matharu, Brian Heinrich, Aniruddh Singh, Mahmoud Mirmehrabi
  • Publication number: 20150329553
    Abstract: The present invention provides a process for preparing an oxymorphone acid adduct, said process comprising hydrogenating an aqueous solution of 14-hydroxymorphinone and an acid to form a solution of the oxymorphone acid adduct, wherein the hydrogenation is carried out at one or more temperatures greater than 40° C. in the presence of a hydrogenation catalyst and hydrogen gas, wherein the level of 6?-oxymorphol produced is ?3.00 area % as determined by HPLC.
    Type: Application
    Filed: July 28, 2015
    Publication date: November 19, 2015
    Inventors: EWART GRANT, BRIAN HEINRICH, SAROOP MATHARU, NICOLAS ARCHER
  • Patent number: 9120800
    Abstract: The present invention provides a process for preparing an oxymorphone acid adduct, said process comprising hydrogenating an aqueous solution of 14-hydroxymorphinone and an acid to form a solution of the oxymorphone acid adduct, wherein the hydrogenation is carried out at one or more temperatures greater than 40° C. in the presence of a hydrogenation catalyst and hydrogen gas, wherein the level of 6?-oxymorphol produced is ?3.00 area % as determined by HPLC.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: September 1, 2015
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Ewart Grant, Brian Heinrich, Saroop Matharu, Nicolas Archer
  • Publication number: 20150038715
    Abstract: The present invention provides a process for preparing an oxymorphone acid adduct, said process comprising hydrogenating an aqueous solution of 14-hydroxymorphinone and an acid to form a solution of the oxymorphone acid adduct, wherein the hydrogenation is carried out at one or more temperatures greater than 40° C. in the presence of a hydrogenation catalyst and hydrogen gas, wherein the level of 6?-oxymorphol produced is ?3.00 area % as determined by HPLC.
    Type: Application
    Filed: February 5, 2014
    Publication date: February 5, 2015
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: EWART GRANT, BRIAN HEINRICH, SAROOP MATHARU, NICOLAS ARCHER
  • Patent number: 8916707
    Abstract: The present invention provides a process for preparing an oxycodone acid adduct, said process comprising hydrogenating an aqueous solution of 14-hydroxycodeinone and an acid to form a solution of the oxycodone acid adduct, wherein the hydrogenation is carried out at one or more temperatures greater than ambient temperature in the presence of a hydrogenation catalyst and hydrogen gas, wherein the solution of oxycodone acid adduct comprises 6?-oxycodol in an amount ?about 0.800 area % as determined by HPLC.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: December 23, 2014
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Nicolas Archer, Maureen Young, Timothy Davies, Amy Price, Michael Bease, Barbara Jamieson, Ewart Grant, Brian Heinrich, Saroop Matharu
  • Publication number: 20140045876
    Abstract: The present invention provides a process for preparing an oxycodone acid adduct, said process comprising hydrogenating an aqueous solution of 14-hydroxycodeinone and an acid to form a solution of the oxycodone acid adduct, wherein the hydrogenation is carried out at one or more temperatures greater than ambient temperature in the presence of a hydrogenation catalyst and hydrogen gas, wherein the solution of oxycodone acid adduct comprises 6?-oxycodol in an amount ?about 0.800 area % as determined by HPLC.
    Type: Application
    Filed: August 2, 2013
    Publication date: February 13, 2014
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: NICOLAS ARCHER, MAUREEN YOUNG, TIMOTHY DAVIES, AMY PRICE, MICHAEL BEASE, BARBARA JAMIESON, EWART GRANT, BRIAN HEINRICH, SAROOP MATHARU
  • Publication number: 20080039449
    Abstract: The present invention relates to novel classes of compounds which are inhibitors of interleukin-1? converting enzyme. The ICE inhibitors of this invention are characterized by specific structural and physicochemical features. This invention also relates to pharmaceutical compositions comprising these compounds. The compounds and pharmaceutical compositions of this invention are particularly well suited for inhibiting ICE activity and consequently, may be advantageously used as agents against IL-1-, apoptosis-, IGIF-, and IFN-?-mediated diseases, inflammatory diseases, autoimmune diseases, destructive bone disorders, proliferative disorders, infectious diseases, degenerative diseases, and necrotic diseases. This invention also relates to methods for inhibiting ICE activity, for treating interleukin-1-, apoptosis-, IGIF- and IFN-?-mediated diseases and decreasing IGIF and IFN-? production using the compounds and compositions of this invention.
    Type: Application
    Filed: January 18, 2007
    Publication date: February 14, 2008
    Inventors: Mark Batchelor, David Bebbington, Guy Bemis, Wolf Fridman, Roger Gillespie, Julian Golec, David Lauffer, David Livingston, Saroop Matharu, Michael Mullican, Mark Murcko, Robert Murdoch, Robert Zelle
  • Publication number: 20050143436
    Abstract: The present invention relates to novel classes of compounds which are inhibitors of interleukin-1? converting enzyme. The ICE inhibitors of this invention are characterized by specific structural and physicochemical features. This invention also relates to pharmaceutical compositions comprising these compounds. The compounds and pharmaceutical compositions of this invention are particularly well suited for inhibiting ICE activity and consequently, may be advantageously used as agents against IL-1-, apoptosis-, IGIF-, and IFN-?-mediated diseases, inflammatory diseases, autoimmune diseases, destructive bone disorders, proliferative disorders, infectious diseases, degenerative diseases, and necrotic diseases. This invention also relates to methods for inhibiting ICE activity, for treating interleukin-1-, apoptosis-, IGIF- and IFN-?-mediated diseases and decreasing IGIF and IFN-? production using the compounds and compositions of this invention.
    Type: Application
    Filed: November 29, 2004
    Publication date: June 30, 2005
    Inventors: Mark Batchelor, David Bebbington, Guy Bemis, Wolf Fridman, Roger Gillespie, Julian Golec, David Lauffer, David Livingston, Saroop Matharu, Michael Mullican, Mark Murcko, Robert Murdoch, Robert Zelle