Granted Patent
Utility
US 6,500,984 · App. 10/056,201
Method for producing phosgene
Inventors:
Francis A. Via, Grigorii Lev Soloveichlk, Philip G. Kosky, Walter Vladimir Cicha
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Jan 25, 2002
Inventors
Francis A. Via
Grigorii Lev Soloveichlk
Philip G. Kosky
Walter Vladimir Cicha
Assignee (at issue)
General Electric 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.