Granted Patent
Utility
US 4,835,294 · App. 07/104,205
2-Substituted-6-methyl-1,3-dioxan-4-one
Inventors:
Dieter Seebach, Axel Griesbeck
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Oct 5, 1987
Inventors
Dieter Seebach
Axel Griesbeck
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.