Granted Patent
Utility
US 6,222,002 · App. 09/378,116
Method for preparing polycarbonates by oxidative carbonylation
Inventors:
Raghunath Vitthal Chaudhari, Ashutosh Anant Kelkar, Sunil Purushottam Gupte, Bhalchandra Mahadeo Bhanage, Mohammed Shadbar Qureshi, Bahram Moasser, Eric James Pressman, Swaminathan Sivaram, Chilukuri Ver Avadhani, Subbareddiar Kanagasabapathy
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Aug 20, 1999
Inventors
Raghunath Vitthal Chaudhari
Ashutosh Anant Kelkar
Sunil Purushottam Gupte
Bhalchandra Mahadeo Bhanage
Mohammed Shadbar Qureshi
Bahram Moasser
Eric James Pressman
Swaminathan Sivaram
Chilukuri Ver Avadhani
Subbareddiar Kanagasabapathy
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.