Granted Patent
Utility
US 4,895,872 · App. 07/324,360
Immunosupressive analogues and derivatives of succinylacetone
Inventors:
Danute E. Nitecki, Margaret Moreland, Lois Aldwin, Corey Levenson, Irwin Braude, David F. Mark, Henry Rapaport
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Mar 15, 1989
Inventors
Danute E. Nitecki
Margaret Moreland
Lois Aldwin
Corey Levenson
Irwin Braude
David F. Mark
Henry Rapaport
Assignee (at issue)
Cetus Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.