Granted Patent
Utility
US 4,826,962 · App. 06/921,370
Tetrachlororaffinose and its use in the preparation of sucralose
Inventors:
Elner B. Rathbone, Khizar S. Mufti, Riaz Khan, Peter S. J. Cheetham, Andrew J. Hacking, Jonathan S. Dordick
Patented Case
View Patent ↗
Granted: May 2, 1989
Filed: Oct 20, 1986
Inventors
Elner B. Rathbone
Khizar S. Mufti
Riaz Khan
Peter S. J. Cheetham
Andrew J. Hacking
Jonathan S. Dordick
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.