Granted Patent
Utility
US 4,334,099 · App. 06/217,943
Preparation of hexafluoroacetone from hexafluorothioacetone dimer
Inventors:
Michael Van De Puy, Louis G. Anello, Martin A. Robinson
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Dec 18, 1980
Inventors
Michael Van De Puy
Louis G. Anello
Martin A. Robinson
Assignee (at issue)
ALLIED CONSULTING, INC.
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.