Granted Patent
Utility
US 6,140,270 · App. 09/251,286
Process for the preparation of 6-(perfluoroalkyl) uracil compounds from 2-(N,N-disubstituted) amino-4-(perfluoroalkyl)-1,3-oxazin-6-one compounds
Inventors:
Richard A. Rampulla, Venkataraman Kameswaran, Peter J. Wepplo
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Feb 16, 1999
Inventors
Richard A. Rampulla
Venkataraman Kameswaran
Peter J. Wepplo
Assignee (at issue)
American Cyanamid 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.