Granted Patent
Utility
US 5,641,432 · App. 08/522,322
Dicyclohexylethylene derivative
Inventors:
Noriyuki Ohnishi, Shuichi Matsui, Tomoyuki Kondo, Yasuyuki Goto
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Oct 26, 1995
Inventors
Noriyuki Ohnishi
Shuichi Matsui
Tomoyuki Kondo
Yasuyuki Goto
Assignee (at issue)
Chisso 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.