Granted Patent
Utility
US 6,288,232 · App. 09/740,983
Synthesis of pyrazolinylnaphthalic acid derivatives
Inventors:
Victor Shershukov, Valentina Skripkina
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Dec 21, 2000
Inventors
Victor Shershukov
Valentina Skripkina
Assignee (at issue)
eMagin 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.