Granted Patent
Utility
US 5,258,265 · App. 07/980,057
Aqueous developable deep UV negative resist
Inventors:
Sydney George Slater, Stanley A. Ficner
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Nov 23, 1992
Inventors
Sydney George Slater
Stanley A. Ficner
Assignee (at issue)
Olin Corporation
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.