Granted Patent
Utility
US 6,288,260 · App. 09/455,996
Process for making 2-alkyl-3-hydroxybenzoic acids
Inventor:
Martha J. Kelly
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Dec 7, 1999
Inventor
Martha J. Kelly
Assignee (at issue)
Rohm and Haas Company
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.