Granted Patent
Utility
US 6,512,134 · App. 10/151,334
Method and catalyst system for producing aromatic carbonates
Inventors:
Kirill Vladimirovich Shalyaev, Grigorii Lev Soloveichik, Bruce Fletcher Johnson
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: May 20, 2002
Inventors
Kirill Vladimirovich Shalyaev
Grigorii Lev Soloveichik
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.