Granted Patent
Utility
US 6,114,564 · App. 09/383,425
Catalyst composition and method for producing diaryl carbonates
Inventors:
Eric James Pressman, Grigorii Lev Soloveichik, Kirill Vladimirovich Shalyaev, Bruce Fletcher Johnson
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Aug 27, 1999
Inventors
Eric James Pressman
Grigorii Lev Soloveichik
Kirill Vladimirovich Shalyaev
Bruce Fletcher Johnson
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.