Granted Patent
Utility
US 6,045,966 · App. 08/991,034
Fractionated novolak resin and photoresist composition therefrom
Inventors:
M. Dalil Rahman, Michelle Cook, Ping-Hung Lu
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Dec 15, 1997
Inventors
M. Dalil Rahman
Michelle Cook
Ping-Hung Lu
Assignee (at issue)
Clariant Finance (BVI) Limited
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.