Granted Patent
Utility
US 6,632,955 · App. 09/319,135
Optically active nitro alcohol derivatives, optically active amino alcohol derivatives, and process for preparing the same
Inventors:
Masakatsu Shibasaki, Hiroaki Sasai, Yasuo Urata, Mamoru Fujita
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Sep 1, 1999
Inventors
Masakatsu Shibasaki
Hiroaki Sasai
Yasuo Urata
Mamoru Fujita
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.