Granted Patent
Utility
US 6,265,340 · App. 09/699,005
Catalyst composition and method for producing diaryl carbonates
Inventors:
Bruce Fletcher Johnson, Kirill Vladimirovich Shalyaev, Grigorii Lev Soloveichik, Eric James Pressman
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Oct 30, 2000
Inventors
Bruce Fletcher Johnson
Kirill Vladimirovich Shalyaev
Grigorii Lev Soloveichik
Eric James Pressman
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.