Granted Patent
Utility
US 4,601,843 · App. 06/719,392
Phosphazene based functional fluid compositions
Inventors:
Lawrence J. Carr, George M. Nichols, Selwyn H. Rose
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Apr 2, 1985
Inventors
Lawrence J. Carr
George M. Nichols
Selwyn H. Rose
Assignee (at issue)
Borg-Warner Chemicals, 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.