Granted Patent
Utility
US 5,066,655 · App. 07/424,293
N6-substituted 9-methyladenines: a new class of adenosine receptor antagonists
Inventor:
Ray Olsson
Patented Case
View Patent ↗
Granted: Nov 19, 1991
Filed: Oct 6, 1989
Inventor
Ray Olsson
Assignee (at issue)
Whitby Research, Inc.
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.