Granted Patent
Utility
US 5,136,115 · App. 07/468,138
Bromoalkylation of aromatic compounds
Inventors:
Barbara C. Stahly, Brigitte Benage
Patented Case
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Granted: Aug 4, 1992
Filed: Jan 22, 1990
Inventors
Barbara C. Stahly
Brigitte Benage
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.