Patents by Inventor Richard D. Morin

Richard D. Morin 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).

  • Pteridine derivatives and method of treating leukemia employing same
    Patent number: 4820706
    Abstract: 2,4-Diaminopteridine derivatives and the pharmaceutically acceptable salts thereof having potent anticancer activity are disclosed. The derivatives possess the structural formula: ##STR1## wherein Y is NH.sub.2, OH or SH, R is ##STR2## and X is ##STR3## in which R' is H or CH.sub.3 or ##STR4## in which R and R' are as previously defined, provided when Y is NH.sub.2, R' must be CH.sub.3 and when Y is OH, R' must be OH.
    Type: Grant
    Filed: January 27, 1986
    Date of Patent: April 11, 1989
    Assignee: Research Corporation
    Inventors: M. Abu Khaled, Frederick Benington, Richard D. Morin