Granted Patent
Utility
US 6,071,497 · App. 08/847,352
Microparticles for lung delivery comprising diketopiperazine
Inventors:
Solomon S. Steiner, Robert Feldstein, Huiling Lian, Christopher A. Rhodes, Gregory S. Shen
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Apr 24, 1997
Inventors
Solomon S. Steiner
Robert Feldstein
Huiling Lian
Christopher A. Rhodes
Gregory S. Shen
Assignee (at issue)
Pharmaceutical Discovery 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.