Granted Patent
Utility
US 4,442,123 · App. 06/334,550
6-Chloro-6-deoxy-D-hexitols, compositions containing them and their use in fertility control
Inventors:
Elner B. Rathbone, Geoffrey M. H. Waites, William C. L. Ford
Patented Case
View Patent ↗
Granted: Apr 10, 1984
Filed: Dec 28, 1981
Inventors
Elner B. Rathbone
Geoffrey M. H. Waites
William C. L. Ford
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.