Patents by Inventor John E. Dete

John E. Dete 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).

  • Process for preparation of N-demethyl-4"-deoxy-erthromycins A and B
    Patent number: 5922849
    Abstract: A process for the preparation of N-demethyl-4"-deoxy-erythromycins A and B, having the formula: ##STR1## wherein R.sup.a is H or OH, by stepwise addition of iodine and base to the N-dimethyl-4"-deoxyerythromycin, preferably, accompanied by sparging with an inert gas.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: July 13, 1999
    Assignee: Abbott Laboratories
    Inventors: Ramiya H. Premchandran, Albert V. Thomas, Juliette K. Busse, John E. Dete