Granted Patent
Utility
US 5,541,282 · App. 08/336,597
Aromatic polyhydroxy compounds and process for the preparation thereof
Inventors:
Marlin E. Walters, W. Frank Richey, Emmett L. Tasset
Patented Case
View Patent ↗
Granted: Jul 30, 1996
Filed: Nov 9, 1994
Inventors
Marlin E. Walters
W. Frank Richey
Emmett L. Tasset
Assignee (at issue)
THE DOW CHEMICAL 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.