Granted Patent
Utility
US 4,530,714 · App. 06/571,226
N-aliphatic and N,N-aliphatic phosphoric triamide urease inhibitors and urease inhibited urea based fertilizer compositions
Inventors:
Jaroslav F. Kolc, Michael D. Swerdloff, Milorad M. Rogic, Larry L. Hendrickson, Michael Van Der Puy
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Jan 16, 1984
Inventors
Jaroslav F. Kolc
Michael D. Swerdloff
Milorad M. Rogic
Larry L. Hendrickson
Michael Van Der Puy
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.