Granted Patent
Utility
US 4,618,679 · App. 06/602,023
3,5-dicarboxylic acid esters of 2,6-bis(fluoro-alkyl)-2,6-bis(hydroxy) piperidines
Inventor:
Len F. Lee
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Apr 24, 1984
Inventor
Len F. Lee
Assignee (at issue)
Monsanto Company
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.