Patents by Inventor John Daniel Matiskella

John Daniel Matiskella 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).

  • N-Substituted-6,8-dioxamorphinans
    Patent number: 4016167
    Abstract: N-substituted-6,8-dioxamorphinans have been found to possess potent narcotic agonist and/or antagonist activity. For example, the compound 17-cyclopropylmethyl-7,7-dimethyl-3-hydroxy-6,8-dioxamorphinan has been found to possess potent agonist-antagonist activity. These compounds are prepared by total synthesis and are not derived from opium alkaloids.
    Type: Grant
    Filed: October 28, 1975
    Date of Patent: April 5, 1977
    Assignee: Bristol-Myers Company
    Inventors: Thomas Alfred Montzka, John Daniel Matiskella
  • 9-Alkoxy-5-methyl-6,7-benzomorphans
    Patent number: 3956336
    Abstract: N-Substituted-9-alkoxy-5-methyl-6,7-benzomorphans have been found to possess potent narcotic agonist and/or antagonist activity. In particular, the compound 2-cyclopropylmethyl-2'-hydroxy-9.alpha.-methoxy-5-methyl-6,7-benzomorphan has been found to possess potent narcotic agonist and antagonist activity. These compounds are prepared by total synthesis and are not derived from opium alkaloids.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: May 11, 1976
    Assignee: Bristol-Myers Company
    Inventors: Thomas Alfred Montzka, John Daniel Matiskella