Granted Patent
Utility
US 4,405,654 · App. 06/371,995
4'-Halo-substituted sucrose derivatives
Inventor:
Cheang Lee
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Apr 26, 1982
Inventor
Cheang Lee
Assignee (at issue)
Tate & Lyle Public Limited 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.