Patents by Inventor Bogdan Mudryk

Bogdan Mudryk 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).

  • Preparation of opiates, intermediates and uses of salts
    Patent number: 6365742
    Abstract: A process for the preparation of thebaine, its salts such as the bitartrate, and analogues thereof, together with a novel intermediate useful in said process are disclosed. Thebaine bitartrate is itself useful in the preparation of oxycodone; analogues are useful in the preparation of analogous 14-hydroxymorphinones.
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: April 2, 2002
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Bogdan Mudryk, Chester Sapino, Jen-Sen Dung, Alice Sebastian
  • Preparation of opiates, intermediates and uses of salts
    Patent number: 6090943
    Abstract: A process for the preparation of thebaine, its salts such as the bitartrate, and analogues thereof, together with a novel intermediate useful in said process are disclosed. Thebaine bitartrate is itself useful in the preparation of oxycodone; analogues are useful in the preparation of analogous 14-hydroxymorphinones.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: July 18, 2000
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Bogdan Mudryk, Chester Sapino, Jen-Sen Dung, Alice Sebastian
  • Method for removal of residual organic solvents and use thereof in manufacturing pharmaceuticals
    Patent number: 5981751
    Abstract: A method for removing residual organic solvents from a bulk substance, for example from a pharmaceutical drug substance, comprises drying the bulk substance in the presence of water vapor, such that the residual organic solvent molecules are displaced with water vapor molecules.
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: November 9, 1999
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Bogdan Mudryk, Jen-Sen Dung, Chester Sapino, James Guro
  • Preparation of narcotic analgesics
    Patent number: 5847142
    Abstract: A novel process for preparing narcotic analgesics such as hydrocodone and hydromorphone using catalytic amounts of homogeneous organometallic complexes is disclosed.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: December 8, 1998
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Bogdan Mudryk, Joydeep Kant, Chester Sapino