Granted Patent
Utility
US 6,100,008 · App. 09/152,776
Positive photoresist with improved contrast ratio and photospeed
Inventor:
Neil D. McMurdie
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Sep 14, 1998
Inventor
Neil D. McMurdie
Assignee (at issue)
PPG Industries Ohio, Inc.
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.