Granted Patent
Utility
US 6,437,133 · App. 09/554,246
Method of catalytically removing a protective group containing an allyl group using a reducing agent
Inventors:
Kunio Ogasawara, Takahiko Taniguchi
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: May 11, 2000
Inventors
Kunio Ogasawara
Takahiko Taniguchi
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.