Patents by Inventor Brian W. HEINRICH

Brian W. HEINRICH 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: 20180057503
    Abstract: Compositions comprising hydrocodone benzoic acid enol ester to form novel prodrugs including hydrocodone benzoic acid enol ester salts, and various polymorphs. Also provided are processes for the preparation of hydrocodone benzoic acid enol ester salts, and various polymorphs.
    Type: Application
    Filed: October 12, 2017
    Publication date: March 1, 2018
    Inventors: Brian W. Heinrich, Travis Mickle, Sven Guenther, Christal Mickle, Guochen Chi, Jaroslaw Kansi, Andrea K. Martin, Bindu Bera
  • Patent number: 9815844
    Abstract: Compositions comprising hydrocodone benzoic acid enol ester to form novel prodrugs including hydrocodone benzoic acid enol ester salts, and various polymorphs. Also provided are processes for the preparation of hydrocodone benzoic acid enol ester salts, and various polymorphs.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: November 14, 2017
    Assignee: KemPharm, Inc.
    Inventors: Brian W. Heinrich, Da-Ming Gou, Mahmoud Mirmehrabi, Bernhard Paul, Daniel James Coughlin
  • Patent number: 9657028
    Abstract: Improved processes for making hydrocodone and hydromorphone as well as their 8,14-dihydrothebaine and 8,14-dihydrooripavine derivatives and salts are disclosed.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: May 23, 2017
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Saroop Singh Matharu, Ewart Grant, Brian W. Heinrich
  • Patent number: 9657027
    Abstract: Improved processes for making hydrocodone and hydromorphone as well as their 8,14-dihydrothebaine and 8,14-dihydrooripavine derivatives and salts are disclosed.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: May 23, 2017
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Saroop Singh Matharu, Ewart Grant, Brian W. Heinrich
  • Publication number: 20160137655
    Abstract: Improved processes for making hydrocodone and hydromorphone as well as their 8,14-dihydrothebaine and 8,14-dihydrooripavine derivatives and salts are disclosed.
    Type: Application
    Filed: January 22, 2016
    Publication date: May 19, 2016
    Applicant: Johnson Matthey Public Limited Company
    Inventors: Saroop Singh MATHARU, Ewart GRANT, Brian W. HEINRICH
  • Publication number: 20160137656
    Abstract: Improved processes for making hydrocodone and hydromorphone as well as their 8,14-dihydrothebaine and 8,14-dihydrooripavine derivatives and salts are disclosed.
    Type: Application
    Filed: January 22, 2016
    Publication date: May 19, 2016
    Applicant: Johnson Matthey Public Limited Company
    Inventors: Saroop Singh MATHARU, Ewart GRANT, Brian W. HEINRICH
  • Patent number: 9273060
    Abstract: Improved processes for making hydrocodone and hydromorphone as well as their 8,14-dihydrothebaine and 8,14-dihydrooripavine derivatives and salts are disclosed.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: March 1, 2016
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Saroop Singh Matharu, Ewart Grant, Brian W. Heinrich
  • Publication number: 20160052932
    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: August 25, 2014
    Publication date: February 25, 2016
    Inventors: Saroop Singh MATHARU, Brian W. HEINRICH, Ewart GRANT, Hongzhi ZHANG
  • Publication number: 20160039837
    Abstract: Compositions comprising hydrocodone benzoic acid enol ester to form novel prodrugs including hydrocodone benzoic acid enol ester salts, and various polymorphs. Also provided are processes for the preparation of hydrocodone benzoic acid enol ester salts, and various polymorphs.
    Type: Application
    Filed: March 10, 2014
    Publication date: February 11, 2016
    Applicant: Johnson Matthey Public Limited Company
    Inventors: Brian W. HEINRICH, Da-Ming GOU, Mahmoud MIRMEHRABI, Bernhard PAUL, Daniel James COUGHLIN
  • Publication number: 20150252052
    Abstract: Improved processes for making hydrocodone and hydromorphone as well as their 8,14-dihydrothebaine and 8,14-dihydrooripavine derivatives and salts are disclosed.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 10, 2015
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Saroop Singh MATHARU, Ewart GRANT, Brian W. HEINRICH