Granted Patent
Utility
US 5,525,325 · App. 08/302,061
Expanded porphyrins: large porphyrin-like tripyrroledimethine-derived macrocycles
Inventors:
Jonathan L. Sessler, Gregory W. Hemmi, Toshiaki Murai
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Sep 7, 1994
Inventors
Jonathan L. Sessler
Gregory W. Hemmi
Toshiaki Murai
Assignee (at issue)
The Board of Regents of the University of Texas
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.