Granted Patent
Utility
US 6,583,317 · App. 09/691,474
Synthesis of acid addition salt of delta-aminolevulinic acid from 5-bromo levulinic acid esters
Inventor:
Luc Moens
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Oct 18, 2000
Inventor
Luc Moens
Assignee (at issue)
Midwest Research Institute, 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.