Granted Patent
Utility
US 6,818,721 · App. 10/308,562
Process for producing polysiloxanes and use of the same
Inventors:
Congji Zha, Dax Kukulj
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Dec 2, 2002
Inventors
Congji Zha
Dax Kukulj
Assignee (at issue)
RPO PTY LTD
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.