Granted Patent
Utility
US 6,462,192 · App. 09/767,140
Processes for large scale production of tetrapyrroles
Inventors:
Byron C. Robinson, Barbara A. Garcia
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jan 23, 2001
Inventors
Byron C. Robinson
Barbara A. Garcia
Assignee (at issue)
Miravant Pharmaceuticals, 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.