Granted Patent
Utility
US 6,783,919 · App. 10/301,973
Stripper composition for photoresist
Inventors:
Hong-sik Park, Sung-Chul Kang, Hong-Je Cho, An-Na Park
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Nov 21, 2002
Inventors
Hong-sik Park
Sung-Chul Kang
Hong-Je Cho
An-Na Park
Assignee (at issue)
SAMSUNG DISPLAY CO., 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.