Granted Patent
Utility
US 4,246,284 · App. 06/091,596
Aminosulfonyl-substituted aryloxyalkyl diketones
Inventors:
Joseph C. Collins, Guy D. Diana
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Nov 5, 1979
Inventors
Joseph C. Collins
Guy D. Diana
Assignee (at issue)
Sterling Drug, 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.