Granted Patent
Utility
US 4,473,620 · App. 06/452,578
Encapsulated butylated hydroxyanisole
Inventors:
Stephen H. Wu, M. Akram Sandhu, Charles H. Benton
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Dec 23, 1982
Inventors
Stephen H. Wu
M. Akram Sandhu
Charles H. Benton
Assignee (at issue)
EASTMAN KODAK 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.